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Recommendations for Chemical Protective Clothing: A Companion to the NIOSH Pocket Guide to Chemical Hazards

NOTE: This page is archived for historical purposes and is no longer being maintained or updated.

A-Z

A

TABLE A

ChemicalCAS No.Recommendation for skin protectionRecommended protective clothing barriers*
Acetaldehyde75-07-0Prevent skin contact8 hr: Butyl, Responder, Tychem 4 hr: Teflon, PE/EVAL
Acetic acid64-19-7Prevent skin contact8 hr: Butyl, Teflon, Viton, PE/EVAL, Responder, Tychem 4 hr: Neoprene, Barricade
Acetic anhydride108-24-7Prevent skin contact8 hr: Butyl, PE/EVAL, Barricade, Trellchem, Tychem 4 hr: Teflon
Acetone67-64-1Prevent skin contact8 hr: Butyl, PE/EVAL, Barricade, CPF3, Responder, Trellchem, Tychem
Acetone cyanohydrin75-86-5Prevent skin contactContact the manufacturer for recommendations
Acetonitrile75-05-8Prevent skin contact8 hr: Butyl, Teflon, PE/EVAL, Barricade, Responder, Trellchem, Tychem
2-Acetylaminofluorene53-96-3Prevent skin contactContact the manufacturer for recommendations
Acetylene74-86-2FrostbitePrevent possible skin freezing from direct liquid contact
Acetylene tetrabromide79-27-6Prevent skin contactContact the manufacturer for recommendations
Acetylsalicyclic acid50-78-2Prevent skin contactContact the manufacturer for recommendations
Acrolein107-02-8Prevent skin contact8 hr: Butyl, Barricade, Tychem
Acrylamide79-06-1Prevent skin contact8 hr: Butyl, Tychem 4 hr: Nitrile, PVC, Viton, PE/EVAL
Acrylic acid79-10-7Prevent skin contact8 hr: Butyl, Saranex, Responder, Trellchem 4 hr: Teflon, Viton, PE/EVAL
Acrylonitrile107-13-1Prevent skin contact8 hr: Butyl, PE/EVAL, Barricade, Responder, Tychem
Adiponitrile111-69-3Prevent skin contact4 hr: Teflon
Aldrin309-00-2Prevent skin contactContact the manufacturer for recommendations
Allyl alcohol107-18-6Prevent skin contact8 hr: Butyl, Teflon, Barricade, Responder, Tychem 4 hr: Viton
Allyl chloride107-05-1Prevent skin contact8 hr: Tychem 4 hr: Teflon, PE/EVAL
Allyl glycidyl ether106-92-3Prevent skin contactContact the manufacturer for recommendations
Allyl propyl disulfide2179-59-1Prevent skin contactContact the manufacturer for recommendations
alpha-Alumina1344-28-1N.R.Determine based on working conditions
Aluminum7429-90-5N.R.Determine based on working conditions
Aluminum (pyro powders and welding fumes, as Al) N.R.Determine based on working conditions
Aluminum (soluble salts and alkyls, as Al) N.R.Determine based on working conditions
4-Aminodiphenyl92-67-1Prevent skin contactContact the manufacturer for recommendations
2-Aminopyridine504-29-0Prevent skin contactContact the manufacturer for recommendations
Amitrole61-82-5Prevent skin contactContact the manufacturer for recommendations
Ammonia7664-41-7Prevent skin contact8 hr: Butyl, Teflon, Viton, Responder, Trellchem, Tychem 4 hr: Nitrile
Ammonium chloride fume12125-02-9Prevent skin contactAny barrier that will prevent contamination from the dry chemical
Ammonium sulfamate7773-06-0Prevent skin contactContact the manufacturer for recommendations
n-Amyl acetate628-63-7Prevent skin contact8 hr: Barricade, Responder 4 hr: PVA, Teflon
sec-Amyl acetate626-38-0Prevent skin contactContact the manufacturer for recommendations
Aniline (and homologs)62-53-3Prevent skin contact8 hr: Butyl, PVA, PE/EVAL, Barricade, Responder, Trellchem 4 hr: Teflon, Viton, Saranex
o-Anisidine90-04-0Prevent skin contactContact the manufacturer for recommendations
p-Anisidine104-94-9Prevent skin contactContact the manufacturer for recommendations
Antimony7440-36-0Prevent skin contactAny barrier that will prevent contamination from the dry chemical
ANTU86-88-4Prevent skin contactContact the manufacturer for recommendations
Arsenic (inorganic compounds, as As)7440-38-2 (metal)Prevent skin contactContact the manufacturer for recommendations
Arsenic, organic compounds (as As) Recommendations regarding personal protective clothing vary depending upon the specific compoundContact the manufacturer for recommendations
Arsine7784-42-1Prevent skin contact/ FrostbiteContact the manufacturer for recommendations Prevent possible skin freezing from direct liquid contact
Asbestos1332-21-4Prevent skin contactAny barrier that will prevent contamination from the fiber
Asphalt fumes8052-42-4Prevent skin contactContact the manufacturer for recommendations
Atrazine1912-24-9Prevent skin contactContact the manufacturer for recommendations
Azinphos-methyl86-50-0Prevent skin contact8 hr: Neoprene, Nitrile
Recommendations for skin protection
Prevent skin contact....Wear appropriate personal protective clothing to prevent skin contact. Suggested barriers for use should be confirmed with the vendor and for additional information and use limitations.
Frostbite....................Wear appropriate personal protective clothing to prevent the skin from becoming frozen from contact with the evaporating liquid or from contact with vessels containing the liquid.
N.R...........................No specific recommendation can be made. Actual working conditions will determine the need and type of personal protective equipment.
†Bold type indicates a change from or an addition to what is published in the NIOSH Pocket Guide to Chemical Hazards, June 1997 Edition. Recommended protective clothing barriers*

Butyl = Butyl Rubber (Gloves, Suits, Boots) Natural = Natural Rubber (Gloves) Neoprene = Neoprene Rubber (Gloves, Suits, Boots) Nitrile = Nitrile Rubber (Gloves, Suits, Boots) PE = Polyethylene (Gloves, Suits, Boots) PVA = Polyvinyl Alcohol (Gloves) PVC = Polyvinyl Chloride (Gloves, Suits, Boots) Teflon = Teflon™ (Gloves, Suits, Boots) Viton = Viton™ (Gloves, Suits) Saranex = Saranex™ coated suits PE/EVAL = 4H™ and Silver Shield™ brand gloves Barricade = Barricade™ coated suits CPF3 = CPF3™ suits Responder = Responder™ suits Trellchem = Trellchem HPS™ suits Tychem = Tychem 10000™ suits

8 hr = More than 8 hours of resistance to breakthrough >0.1  microng/cm2/min. 4 hr = At least 4 but less than 8 hours of resistance to breakthrough >0.1  microng/cm2/min. *Neoprene is a tradename and Teflon, Barricade and Tychem 10000 are trademarks of the DuPont Company. Viton is a registered trademark of DuPont Dow Elastomers. Saranex is a tradename of the Dow Chemical Company. 4H is a trademark of the Safety 4 Company. Silver Shield is a trademark of the Siebe North Company. CPF3 and Responder are trademarks of the Kappler Company. Trellchem HPS is a trademark of the Trelleborg Company. Recommendations are NOT valid for very thin Natural Rubber, Neoprene, Nitrile, and PVC gloves (0.3 mm or less).

B

TABLE B

ChemicalCAS No.Recommendation for skin protectionRecommended protective clothing barriers*
Barium chloride (as Ba)10361-37-2Prevent skin contactContact the manufacturer for recommendations
Barium nitrate (as Ba)10022-31-8Prevent skin contactContact the manufacturer for recommendations
Barium sulfate7727-43-7Prevent skin contactContact the manufacturer for recommendations
Benomyl17804-35-2Prevent skin contactContact the manufacturer for recommendations
Benzene71-43-2Prevent skin contact8 hr: PVA, PE/EVAL, Barricade, CPF3, Responder, Tychem 4 hr: Teflon, Viton
Benzenethiol108-98-5Prevent skin contactContact the manufacturer for recommendations
Benzidine92-87-5Prevent skin contactContact the manufacturer for recommendations
Benzoyl peroxide94-36-0Prevent skin contactContact the manufacturer for recommendations
Benzyl chloride100-44-7Prevent skin contact8 hr: PE/EVAL, CPF3, Responder, Tychem 4 hr: Teflon
Beryllium & beryllium compounds (as Be)7440-41-7 (metal)Prevent skin contactContact the manufacturer for recommendations
Bismuth telluride, doped with Selenium sulfide (as Bi2Te3) Prevent skin contactContact the manufacturer for recommendations
Bismuth telluride, undoped1304-82-1Prevent skin contactContact the manufacturer for recommendations
Borates, tetra, sodium salts (Anhydrous)1330-43-4N.R.Determine based on working conditions
Borates, tetra, sodium salts (Decahydrate)1303-96-4N.R.Determine based on working conditions
Borates, tetra, sodium salts (Pentahydrate)12179-04-3N.R.Determine based on working conditions
Boron oxide1303-86-2Prevent skin contactContact the manufacturer for recommendations
Boron tribromide10294-33-4Prevent skin contactContact the manufacturer for recommendations
Boron trifluoride7637-07-2Prevent skin contact8 hr: Teflon, Responder
Bromacil314-40-9Prevent skin contactContact the manufacturer for recommendations
Bromine7726-95-6Prevent skin contact4 hr: Teflon
Bromine pentafluoride7789-30-2Prevent skin contactContact the manufacturer for recommendations
Bromoform75-25-2Prevent skin contact8 hr: PVA, Viton
1,3-Butadiene106-99-0Prevent skin contact8 hr: Viton, Saranex, Barricade, CPF3, Responder, Trellchem, Tychem 4 hr: Teflon
n-Butane106-97-8FrostbitePrevent possible skin freezing from direct liquid contact
2-Butanone78-93-3Prevent skin contact8 hr: Butyl, Teflon, PE/EVAL, Barricade, CPF3, Tychem 4 hr: Responder
2-Butoxyethanol111-76-2Prevent skin contact8 hr: Butyl, Viton, Saranex 4 hr: PE/EVAL
2-Butoxyethanol acetate112-07-2Prevent skin contactContact the manufacturer for recommendations
n-Butyl acetate123-86-4Prevent skin contact8 hr: PE/EVAL 4 hr: PVA, Teflon
sec-Butyl acetate105-46-4Prevent skin contactContact the manufacturer for recommendations
tert-Butyl acetate540-88-5Prevent skin contactContact the manufacturer for recommendations
Butyl acrylate141-32-2Prevent skin contact8 hr: PE/EVAL, Responder, Tychem 4 hr: Teflon
n-Butyl alcohol71-36-3Prevent skin contact8 hr: Butyl, Teflon, Viton, PE/EVAL, Barricade, CPF3, Responder 4 hr: Neoprene
sec-Butyl alcohol78-92-2Prevent skin contact8 hr: PE/EVAL 4 hr: Butyl, Nitrile
tert-Butyl alcohol75-65-0Prevent skin contact8 hr: Butyl, PE/EVAL, Responder
n-Butylamine109-73-9Prevent skin contact8 hr: Responder, Tychem 4 hr: Trellchem
tert-Butyl chromate1189-85-1Prevent skin contactContact the manufacturer for recommendations
n-Butyl glycidyl ether2426-08-6Prevent skin contactContact the manufacturer for recommendations
n-Butyl lactate138-22-7Prevent skin contactContact the manufacturer for recommendations
n-Butyl mercaptan109-79-5Prevent skin contactContact the manufacturer for recommendations
o-sec-Butylphenol89-72-5Prevent skin contactContact the manufacturer for recommendations
p-tert-Butyltoluene98-51-1Prevent skin contact8 hr: PVA, Viton 4 hr: Nitrile, PE/EVAL
n-Butyronitrile109-74-0Prevent skin contactContact the manufacturer for recommendations
Recommendations for skin protection
Prevent skin contact....Wear appropriate personal protective clothing to prevent skin contact. Suggested barriers for use should be confirmed with the vendor and for additional information and use limitations.
Frostbite....................Wear appropriate personal protective clothing to prevent the skin from becoming frozen from contact with the evaporating liquid or from contact with vessels containing the liquid.
N.R...........................No specific recommendation can be made. Actual working conditions will determine the need and type of personal protective equipment.
†Bold type indicates a change from or an addition to what is published in the NIOSH Pocket Guide to Chemical Hazards, June 1997 Edition. Recommended protective clothing barriers*

Butyl = Butyl Rubber (Gloves, Suits, Boots) Natural = Natural Rubber (Gloves) Neoprene = Neoprene Rubber (Gloves, Suits, Boots) Nitrile = Nitrile Rubber (Gloves, Suits, Boots) PE = Polyethylene (Gloves, Suits, Boots) PVA = Polyvinyl Alcohol (Gloves) PVC = Polyvinyl Chloride (Gloves, Suits, Boots) Teflon = Teflon™ (Gloves, Suits, Boots) Viton = Viton™ (Gloves, Suits) Saranex = Saranex™ coated suits PE/EVAL = 4H™ and Silver Shield™ brand gloves Barricade = Barricade™ coated suits CPF3 = CPF3™ suits Responder = Responder™ suits Trellchem = Trellchem HPS™ suits Tychem = Tychem 10000™ suits

8 hr = More than 8 hours of resistance to breakthrough >0.1  microng/cm2/min. 4 hr = At least 4 but less than 8 hours of resistance to breakthrough >0.1  microng/cm2/min.

*Neoprene is a tradename and Teflon, Barricade and Tychem 10000 are trademarks of the DuPont Company. Viton is a registered trademark of DuPont Dow Elastomers. Saranex is a tradename of the Dow Chemical Company. 4H is a trademark of the Safety 4 Company. Silver Shield is a trademark of the Siebe North Company. CPF3 and Responder are trademarks of the Kappler Company. Trellchem HPS is a trademark of the Trelleborg Company. Recommendations are NOT valid for very thin Natural Rubber, Neoprene, Nitrile, and PVC gloves (0.3 mm or less).

C

TABLE C

ChemicalCAS No.Recommendation for skin protectionRecommended protective clothing barriers*
Cadmium dust (as Cd)7440-43-9 (metal)Prevent skin contactAny barrier that will prevent contamination from the dry chemical
Cadmium fume (as Cd)1306-19-0 (CdO)Prevent skin contact8 hr: Neoprene, Nitrile
Calcium arsenate (as As)7778-44-1Prevent skin contactContact the manufacturer for recommendations
Calcium carbonate1317-65-3N.R.Determine based on working conditions
Calcium cyanamide156-62-7Prevent skin contactContact the manufacturer for recommendations
Calcium hydroxide1305-62-0Prevent skin contact8 hr: Natural, Neoprene, Nitrile
Calcium oxide1305-78-8Prevent skin contactAny barrier that will prevent contamination from the dry chemical
Calcium silicate1344-95-2N.R.Determine based on working conditions
Calcium sulfate7778-18-9N.R.Determine based on working conditions
Camphor (synthetic)76-22-2Prevent skin contactContact the manufacturer for recommendations
Caprolactam105-60-2Prevent skin contactContact the manufacturer for recommendations
Captafol2425-06-1Prevent skin contactContact the manufacturer for recommendations
Captan133-06-2Prevent skin contactContact the manufacturer for recommendations
Carbaryl63-25-2Prevent skin contact(Sevin 50 W) 4 hr: Natural, Neoprene, Nitrile, PVC
Carbofuran1563-66-2Prevent skin contactContact the manufacturer for recommendations
Carbon black1333-86-4N.R.Determine based on working conditions
Carbon dioxide124-38-9FrostbitePrevent possible skin freezing from direct liquid contact
Carbon disulfide75-15-0Prevent skin contact8 hr: PVA, Viton, PE/EVAL, Barricade, Responder, Trellchem, Tychem 4 hr: Teflon
Carbon monoxide630-08-0FrostbitePrevent possible skin freezing from direct liquid contact
Carbon tetrabromide558-13-4N.R.Determine based on working conditions
Carbon tetrachloride56-23-5Prevent skin contact8 hr: PVA, Viton, PE/EVAL, Barricade, Responder 4 hr: Teflon
Carbonyl fluoride353-50-4FrostbitePrevent possible skin freezing from direct liquid contact
Catechol120-80-9N.R.Determine based on working conditions
Cellulose9004-34-6N.R.Determine based on working conditions
Cesium hydroxide21351-79-1Prevent skin contactContact the manufacturer for recommendations
Chlordane57-74-9Prevent skin contact8 hr: CPF3, Trellchem 4 hr: Teflon
Chlorinated camphene8001-35-2Prevent skin contactContact the manufacturer for recommendations
Chlorinated diphenyl oxide Prevent skin contactContact the manufacturer for recommendations
Chlorine7782-50-5FrostbitePrevent possible skin freezing from direct liquid contact
Chlorine dioxide10049-04-4Prevent skin contact (liquid)Contact the manufacturer for recommendations
Chlorine trifluoride7790-91-2Prevent skin contactContact the manufacturer for recommendations
Chloroacetaldehyde107-20-0Prevent skin contactContact the manufacturer for recommendations
alpha-Chloroacetophenone532-27-4Prevent skin contact8 hr: Responder
Chloroacetyl chloride79-04-9Prevent skin contact4 hr: Teflon
Chlorobenzene108-90-7Prevent skin contact8 hr: Viton, Barricade, Responder, Trellchem, Tychem 4 hr: PVA, Teflon
o-Chlorobenzylidene malononitrile2698-41-1Prevent skin contactContact the manufacturer for recommendations
Chlorobromomethane74-97-5Prevent skin contact4 hr: Teflon, Responder
Chlorodifluoromethane75-45-6FrostbitePrevent possible skin freezing from direct liquid contact
Chlorodiphenyl (42% chlorine)53469-21-9Prevent skin contact8 hr: Butyl, Neoprene, Teflon, Viton, Saranex, Barricade, Responder 4 hr: PE/EVAL
Chlorodiphenyl (54% chlorine)11097-69-1Prevent skin contact8 hr: Butyl, Neoprene, Teflon, Viton, Saranex, Barricade, Responder 4 hr: PE/EVAL
Chloroform67-66-3Prevent skin contact8 hr: PVA, Viton, PE/EVAL, Barricade, Responder, Trellchem, Tychem 4 hr: Teflon
bis-Chloromethyl ether542-88-1Prevent skin contactContact the manufacturer for recommendations
Chloromethyl methyl ether107-30-2Prevent skin contact4 hr: Teflon
1-Chloro1-nitropropane600-25-9Prevent skin contactContact the manufacturer for recommendations
Chloropentafluoroethane76-15-3FrostbitePrevent possible skin freezing from direct liquid contact
Chloropicrin76-06-2Prevent skin contactContact the manufacturer for recommendations
ß-Chloroprene126-99-8Prevent skin contact8 hr: PVA, Viton, Responder
o-Chlorostyrene2039-87-4Prevent skin contactContact the manufacturer for recommendations
o-Chlorotoluene95-49-8Prevent skin contact8 hr: Barricade 4 hr: Viton
2-Chloro-6-trichloro- methyl pyridine1929-82-4Prevent skin contactContact the manufacturer for recommendations
Chlorpyrifos2921-88-2Prevent skin contactContact the manufacturer for recommendations
Chromic acid and chromates1338-82-0 (CrO3)Prevent skin contact(As Chromic Acid) 8 hr: PE, PVC, Saranex 4 hr: Butyl, Viton
Chromium(II) compounds (as Cr) Prevent skin contactContact the manufacturer for recommendations for the specific compound
Chromium(III) compounds (as Cr) Prevent skin contactContact the manufacturer for recommendations for the specific compound
Chromium metal7440-47-3N.R.Determine based on working conditions
Chromyl chloride14977-61-8Prevent skin contactContact the manufacturer for recommendations
Clopidol2971-90-6N.R.Determine based on working conditions
Coal dust N.R.Determine based on working conditions
Coal tar pitch volatiles65996-93-2Prevent skin contactContact the manufacturer for recommendations
Cobalt metal dust and fume (as Co)7440-48-4Prevent skin contactContact the manufacturer for recommendations
Cobalt carbonyl (as Co)10210-68-1Prevent skin contactContact the manufacturer for recommendations
Cobalt hydrocarbonyl (as Co)16842-03-8Prevent skin contactContact the manufacturer for recommendations
Coke oven emissions Prevent skin contactRecommendations will depend on specific nature of emissions
Copper (dusts and mists, as Cu)7440-50-8Prevent skin contactContact the manufacturer for recommendations
Copper fume (as Cu)1317-38-0 (CuO)N.R.Determine based on working conditions
Cotton dust (raw) N.R.Determine based on working conditions
Crag® herbicide136-78-7Prevent skin contactContact the manufacturer for recommendations
o-Cresol95-48-7Prevent skin contactContact the manufacturer for recommendations
m-Cresol108-39-4Prevent skin contact4 hr: Neoprene, Teflon
p-Cresol106-44-5Prevent skin contact4 hr: PE/EVAL
Crotonaldehyde4170-30-3Prevent skin contact8 hr: Butyl, Responder 4 hr: Teflon
Crufomate299-86-5Prevent skin contactContact the manufacturer for recommendations
Cumene98-82-8Prevent skin contact8 hr: Tychem 4 hr: Teflon
Cyanamide420-04-2Prevent skin contactContact the manufacturer for recommendations
Cyanogen460-19-5FrostbitePrevent possible skin freezing from direct liquid contact
Cyanogen chloride506-77-4Prevent skin contact (liquid)4 hr: Teflon
Cyclohexane110-82-7Prevent skin contact8 hr: Nitrile, Viton, PE/EVAL, Barricade, Responder 4 hr: PVA, Teflon
Cyclohexanethiol1569-69-3Prevent skin contactContact the manufacturer for recommendations
Cyclohexanol108-93-0Prevent skin contact8 hr: Butyl, Nitrile, PVA, Teflon, Viton 4 hr: Neoprene, PVC, PE/EVAL
Cyclohexanone108-94-1Prevent skin contact8 hr: Butyl, PE/EVAL 4 hr: PVA
Cyclohexene110-83-8Prevent skin contactContact the manufacturer for recommendations
Cyclohexylamine108-91-8Prevent skin contact8 hr: Responder
Cyclonite121-82-4Prevent skin contactContact the manufacturer for recommendations
Cyclopentadiene542-92-7Prevent skin contactContact the manufacturer for recommendations
Cyclopentane287-92-3Prevent skin contactContact the manufacturer for recommendations
Cyhexatin13121-70-5Prevent skin contactContact the manufacturer for recommendations
Recommendations for skin protection
Prevent skin contact....Wear appropriate personal protective clothing to prevent skin contact. Suggested barriers for use should be confirmed with the vendor and for additional information and use limitations.
Frostbite....................Wear appropriate personal protective clothing to prevent the skin from becoming frozen from contact with the evaporating liquid or from contact with vessels containing the liquid.
N.R...........................No specific recommendation can be made. Actual working conditions will determine the need and type of personal protective equipment.
†Bold type indicates a change from or an addition to what is published in the NIOSH Pocket Guide to Chemical Hazards, June 1997 Edition. Recommended protective clothing barriers*

Butyl = Butyl Rubber (Gloves, Suits, Boots) Natural = Natural Rubber (Gloves) Neoprene = Neoprene Rubber (Gloves, Suits, Boots) Nitrile = Nitrile Rubber (Gloves, Suits, Boots) PE = Polyethylene (Gloves, Suits, Boots) PVA = Polyvinyl Alcohol (Gloves) PVC = Polyvinyl Chloride (Gloves, Suits, Boots) Teflon = Teflon™ (Gloves, Suits, Boots) Viton = Viton™ (Gloves, Suits) Saranex = Saranex™ coated suits PE/EVAL = 4H™ and Silver Shield™ brand gloves Barricade = Barricade™ coated suits CPF3 = CPF3™ suits Responder = Responder™ suits Trellchem = Trellchem HPS™ suits Tychem = Tychem 10000™ suits

8 hr = More than 8 hours of resistance to breakthrough >0.1  microng/cm2/min. 4 hr = At least 4 but less than 8 hours of resistance to breakthrough >0.1  microng/cm2/min.

*Neoprene is a tradename and Teflon, Barricade and Tychem 10000 are trademarks of the DuPont Company. Viton is a registered trademark of DuPont Dow Elastomers. Saranex is a tradename of the Dow Chemical Company. 4H is a trademark of the Safety 4 Company. Silver Shield is a trademark of the Siebe North Company. CPF3 and Responder are trademarks of the Kappler Company. Trellchem HPS is a trademark of the Trelleborg Company. Recommendations are NOT valid for very thin Natural Rubber, Neoprene, Nitrile, and PVC gloves (0.3 mm or less).

D

TABLE D

ChemicalCAS No.Recommendation for skin protectionRecommended protective clothing barriers*
2,4-D94-75-7Prevent skin contact8 hr: Natural, Neoprene, Nitrile, PVC
DDT50-29-3Prevent skin contact(No longer manufactured) Any barrier that will prevent contamination from the dry chemical
Decaborane17702-41-9Prevent skin contactAny barrier that will prevent contamination from the dry chemical
1-Decanethiol143-10-2Prevent skin contactContact the manufacturer for recommendations
Demeton8065-48-3Prevent skin contactContact the manufacturer for recommendations
Diacetone alcohol123-42-2Prevent skin contact8 hr: Butyl 4 hr: Neoprene, PE/EVAL
2,4-Diaminoanisole (and its salts)615-05-4Prevent skin contactContact the manufacturer for recommendations
o-Dianisidine119-90-4Prevent skin contactContact the manufacturer for recommendations
Diazinon®333-41-5Prevent skin contactContact the manufacturer for recommendations
Diazomethane334-88-3FrostbitePrevent possible skin freezing from direct liquid contact
Diborane19287-45-7N.R.Determine based on working conditions
1,2-Dibromo-3-chloro-propane96-12-8Prevent skin contactContact the manufacturer for recommendations
2-N-Dibutylaminoethanol102-81-8Prevent skin contactContact the manufacturer for recommendations
Dibutyl phosphate107-66-4Prevent skin contactContact the manufacturer for recommendations
Dibutyl phthalate84-74-2Prevent skin contact8 hr: Butyl, Nitrile, PVA, Viton 4 hr: PE/EVAL
Dichloroacetylene7572-29-4Prevent skin contactContact the manufacturer for recommendations
o-Dichlorobenzene95-50-1Prevent skin contact4 hr: Viton, PE/EVAL
p-Dichlorobenzene106-46-7Prevent skin contactContact the manufacturer for recommendations
3,3'-Dichlorobenzidine (and its salts)91-94-1Prevent skin contactContact the manufacturer for recommendations
Dichlorodifluoromethane75-71-8FrostbitePrevent possible skin freezing from direct liquid contact
1,3-Dichloro-5,5- dimethylhydantoin118-52-5Prevent skin contactContact the manufacturer for recommendations
1,1-Dichloroethane75-34-3Prevent skin contact8 hr: Tychem
1,2-Dichloroethylene540-59-0Prevent skin contact8 hr: Teflon, Viton, PE/EVAL, Barricade, CPF3, Responder, Tychem 4 hr: PVA
Dichloroethyl ether111-44-4Prevent skin contact8 hr: Tychem 4 hr: Teflon
Dichloromonofluoromethane75-43-4FrostbitePrevent possible skin freezing from direct liquid contact
1,1-Dichloro-1-nitroethane594-72-9Prevent skin contactContact the manufacturer for recommendations
1,3-Dichloropropene542-75-6Prevent skin contact8 hr: PVA, Viton, Responder 4 hr: Teflon
2,2-Dichloropropionic acid75-99-0Prevent skin contactContact the manufacturer for recommendations
Dichlorotetrafluoroethane76-14-2FrostbitePrevent possible skin freezing from direct liquid contact
Dichlorvos62-73-7Prevent skin contactContact the manufacturer for recommendations
Dicrotophos141-66-2Prevent skin contactContact the manufacturer for recommendations
Dicyclopentadiene77-73-6Prevent skin contactContact the manufacturer for recommendations
Dicyclopentadienyl iron102-54-5N.R.Determine based on working conditions
Dieldrin60-57-1Prevent skin contactContact the manufacturer for recommendations
Diesel exhaust N.R.Determine based on working conditions
Diethanolamine111-42-2Prevent skin contact8 hr: Butyl, Neoprene, Nitrile, PVC, Viton, CPF3, Responder 4 hr: Natural, Teflon, PE/EVAL
Diethylamine109-89-7Prevent skin contactContact the manufacturer for recommendations
2-Diethylaminoethanol100-37-8Prevent skin contact8 hr: Butyl, Nitrile, PVA, Viton
Diethylenetriamine111-40-0Prevent skin contact8 hr: Butyl, Neoprene, Viton, Tychem 4 hr: PE/EVAL
Diethyl ketone96-22-0N.R.Determine based on working conditions
Diethyl phthalate84-66-2Prevent skin contact4 hr: PE/EVAL
Difluorodibromomethane75-61-6Prevent skin contactContact the manufacturer for recommendations
Diglycidyl ether2238-07-5Prevent skin contactContact the manufacturer for recommendations
Diisobutyl ketone108-83-8Prevent skin contact4 hr: PVA, PE/EVAL
Diisopropylamine108-18-9Prevent skin contact8 hr: Teflon, Viton
Dimethyl acetamide127-19-5Prevent skin contact8 hr: Butyl, PE/EVAL, Barricade, CPF3, Responder, Tychem 4 hr: Teflon
Dimethylamine124-40-3Prevent skin contact8 hr: Butyl, Neoprene 4 hr: Teflon, PE/EVAL
4-Dimethylamino- azobenzene60-11-7Prevent skin contactContact the manufacturer for recommendations
bis(2-(Dimethylamino)- ethyl)ether3033-62-3Prevent skin contactContact the manufacturer for recommendations
Dimethylaminopropionitrile1738-25-6Prevent skin contactContact the manufacturer for recommendations
N,N-Dimethylaniline121-69-7Prevent skin contact8 hr: Tychem 4 hr: PE/EVAL
Dimethyl carbamoyl chloride79-44-7Prevent skin contactContact the manufacturer for recommendations
Dimethyl-1,2-dibromo-2,2- dichlorethyl phosphate300-76-5Prevent skin contactContact the manufacturer for recommendations
Dimethylformamide68-12-2Prevent skin contact8 hr: Butyl, Teflon, PE/EVAL, CPF3, Responder, Trellchem, Tychem
1,1-Dimethylhydrazine57-14-7Prevent skin contact8 hr: Butyl, Barricade, Responder, Trellchem, Tychem
Dimethylphthalate131-11-3N.R.Determine based on working conditions
Dimethyl sulfate77-78-1Prevent skin contact8 hr: Barricade, Responder, Tychem 4 hr: Butyl, PE/EVAL
Dinitolmide148-01-6Prevent skin contactContact the manufacturer for recommendations
o-Dinitrobenzene528-29-0Prevent skin contactContact the manufacturer for recommendations
m-Dinitrobenzene99-65-0Prevent skin contactContact the manufacturer for recommendations
p-Dinitrobenzene100-25-4Prevent skin contactContact the manufacturer for recommendations
Dinitro-o-cresol534-52-1Prevent skin contactContact the manufacturer for recommendations
Dinitrotoluene25321-14-6Prevent skin contactContact the manufacturer for recommendations
Di-sec octyl phthalate117-81-7N.R.Determine based on working conditions
Dioxane123-91-1Prevent skin contact8 hr: PE/EVAL, Tychem 4 hr: Butyl, Teflon
Dioxathion78-34-2Prevent skin contactContact the manufacturer for recommendations
Diphenyl92-52-4Prevent skin contactContact the manufacturer for recommendations
Diphenylamine122-39-4Prevent skin contactContact the manufacturer for recommendations
Dipropylene glycol methyl ether34590-94-8N.R.Determine based on working conditions
Dipropyl ketone123-19-3Prevent skin contactContact the manufacturer for recommendations
Diquat (Diquat dibromide)85-00-7Prevent skin contact4 hr: PE/EVAL
Disulfiram97-77-8Prevent skin contactContact the manufacturer for recommendations
Disulfoton298-04-4Prevent skin contactContact the manufacturer for recommendations
2,6-Di-tert-butyl-p-cresol128-37-0Prevent skin contactContact the manufacturer for recommendations
Diuron330-54-1Prevent skin contactContact the manufacturer for recommendations
Divinyl benzene1321-74-0 (mixed isomers)Prevent skin contact8 hr: PVA, Viton
1-Dodecanethiol112-55-0Prevent skin contactContact the manufacturer for recommendations
Recommendations for skin protection
Prevent skin contact....Wear appropriate personal protective clothing to prevent skin contact. Suggested barriers for use should be confirmed with the vendor and for additional information and use limitations.
Frostbite....................Wear appropriate personal protective clothing to prevent the skin from becoming frozen from contact with the evaporating liquid or from contact with vessels containing the liquid.
N.R...........................No specific recommendation can be made. Actual working conditions will determine the need and type of personal protective equipment.
†Bold type indicates a change from or an addition to what is published in the NIOSH Pocket Guide to Chemical Hazards, June 1997 Edition. Recommended protective clothing barriers*

Butyl = Butyl Rubber (Gloves, Suits, Boots) Natural = Natural Rubber (Gloves) Neoprene = Neoprene Rubber (Gloves, Suits, Boots) Nitrile = Nitrile Rubber (Gloves, Suits, Boots) PE = Polyethylene (Gloves, Suits, Boots) PVA = Polyvinyl Alcohol (Gloves) PVC = Polyvinyl Chloride (Gloves, Suits, Boots) Teflon = Teflon™ (Gloves, Suits, Boots) Viton = Viton™ (Gloves, Suits) Saranex = Saranex™ coated suits PE/EVAL = 4H™ and Silver Shield™ brand gloves Barricade = Barricade™ coated suits CPF3 = CPF3™ suits Responder = Responder™ suits Trellchem = Trellchem HPS™ suits Tychem = Tychem 10000™ suits

8 hr = More than 8 hours of resistance to breakthrough >0.1  microng/cm2/min. 4 hr = At least 4 but less than 8 hours of resistance to breakthrough >0.1  microng/cm2/min.

*Neoprene is a tradename and Teflon, Barricade and Tychem 10000 are trademarks of the DuPont Company. Viton is a registered trademark of DuPont Dow Elastomers. Saranex is a tradename of the Dow Chemical Company. 4H is a trademark of the Safety 4 Company. Silver Shield is a trademark of the Siebe North Company. CPF3 and Responder are trademarks of the Kappler Company. Trellchem HPS is a trademark of the Trelleborg Company. Recommendations are NOT valid for very thin Natural Rubber, Neoprene, Nitrile, and PVC gloves (0.3 mm or less).

E

TABLE E

ChemicalCAS No.Recommendation for skin protectionRecommended protective clothing barriers*
Emery12415-34-8 (emery) 1302-74-5 (corundum)N.R.Determine based on working conditions
Endosulfan115-29-7Prevent skin contactContact the manufacturer for recommendations
Endrin72-20-8Prevent skin contactContact the manufacturer for recommendations
Enflurane13838-16-9N.R.Determine based on working conditions
Epichlorohydrin106-89-8Prevent skin contact8 hr: Butyl, Barricade, Trellchem, Tychem 4 hr: PE/EVAL, Responder
EPN2104-64-5Prevent skin contactContact the manufacturer for recommendations
Ethanolamine141-43-5Prevent skin contact8 hr: Butyl, Neoprene, Nitrile, Viton, PE/EVAL, Tychem 4 hr: PVC
Ethion563-12-2Prevent skin contact4 hr: Teflon
2-Ethoxyethanol110-80-5Prevent skin contact8 hr: Butyl, Saranex, Responder 4 hr: PE/EVAL
2-Ethoxyethyl acetate111-15-9Prevent skin contact8 hr: Butyl, Barricade, Responder 4 hr: PVA, PE/EVAL
Ethyl acetate141-78-6Prevent skin contact8 hr: PE/EVAL, Barricade, CPF3, Responder, Trellchem, Tychem 4 hr: PVA, Teflon
Ethyl acrylate140-88-5Prevent skin contact8 hr: PVA, Teflon, Responder, Tychem 4 hr: Butyl, PE/EVAL
Ethyl alcohol64-17-5Prevent skin contact8 hr: Butyl, Viton, PE/EVAL 4 hr: Neoprene, Teflon
Ethylamine75-04-7Prevent skin contact (liquid)8 hr: Butyl 4 hr: Teflon, Responder
Ethyl benzene100-41-4Prevent skin contact8 hr: Viton, Barricade, Responder, Tychem 4 hr: Teflon
Ethyl bromide74-96-4Prevent skin contactContact the manufacturer for recommendations
Ethyl butyl ketone106-35-4Prevent skin contactContact the manufacturer for recommendations
Ethyl chloride75-00-3Prevent skin contact (liquid)4 hr: Teflon
Ethylene chlorohydrin107-07-3Prevent skin contact8 hr: Butyl, Viton, PVA, Barricade 4 hr: PE/EVAL
Ethylenediamine107-15-3Prevent skin contact8 hr: Butyl, Saranex, Responder 4 hr: Teflon
Ethylene dibromide106-93-4Prevent skin contact8 hr: PVA, Teflon, Viton, PE/EVAL, Barricade, Tychem
Ethylene dichloride107-06-2Prevent skin contact8 hr: Teflon, Viton, PE/EVAL, Barricade, CPF3, Responder, Tychem 4 hr: PVA
Ethylene glycol107-21-1Prevent skin contact8 hr: Butyl, Natural, Neoprene, Nitrile, PE, PVC, Teflon, Viton, Saranex, PE/EVAL, Trellchem 4 hr: Responder
Ethylene glycol dinitrate628-96-6Prevent skin contactContact the manufacturer for recommendations
Ethyleneimine151-56-4Prevent skin contact8 hr: Butyl, Tychem 4 hr: Teflon, Responder
Ethylene oxide75-21-8Prevent skin contact (liquid)8 hr: Barricade, Responder, Trellchem, Tychem 4 hr: Butyl, Teflon, PE/EVAL
Ethylene thiourea96-45-7Prevent skin contactContact the manufacturer for recommendations
Ethyl ether60-29-7Prevent skin contact8 hr: PVA, PE/EVAL, Barricade 4 hr: Teflon, Responder, Trellchem
Ethyl formate109-94-4Prevent skin contactContact the manufacturer for recommendations
Ethylidene norbornene16219-75-3Prevent skin contactContact the manufacturer for recommendations
Ethyl mercaptan75-08-1Prevent skin contact4 hr: Teflon
N-Ethylmorpholine100-74-3Prevent skin contactContact the manufacturer for recommendations
Ethyl silicate78-10-4Prevent skin contactContact the manufacturer for recommendations
Recommendations for skin protection
Prevent skin contact....Wear appropriate personal protective clothing to prevent skin contact. Suggested barriers for use should be confirmed with the vendor and for additional information and use limitations.
Frostbite....................Wear appropriate personal protective clothing to prevent the skin from becoming frozen from contact with the evaporating liquid or from contact with vessels containing the liquid.
N.R...........................No specific recommendation can be made. Actual working conditions will determine the need and type of personal protective equipment.
†Bold type indicates a change from or an addition to what is published in the NIOSH Pocket Guide to Chemical Hazards, June 1997 Edition. Recommended protective clothing barriers*

Butyl = Butyl Rubber (Gloves, Suits, Boots) Natural = Natural Rubber (Gloves) Neoprene = Neoprene Rubber (Gloves, Suits, Boots) Nitrile = Nitrile Rubber (Gloves, Suits, Boots) PE = Polyethylene (Gloves, Suits, Boots) PVA = Polyvinyl Alcohol (Gloves) PVC = Polyvinyl Chloride (Gloves, Suits, Boots) Teflon = Teflon™ (Gloves, Suits, Boots) Viton = Viton™ (Gloves, Suits) Saranex = Saranex™ coated suits PE/EVAL = 4H™ and Silver Shield™ brand gloves Barricade = Barricade™ coated suits CPF3 = CPF3™ suits Responder = Responder™ suits Trellchem = Trellchem HPS™ suits Tychem = Tychem 10000™ suits

8 hr = More than 8 hours of resistance to breakthrough >0.1  microng/cm2/min. 4 hr = At least 4 but less than 8 hours of resistance to breakthrough >0.1  microng/cm2/min.

*Neoprene is a tradename and Teflon, Barricade and Tychem 10000 are trademarks of the DuPont Company. Viton is a registered trademark of DuPont Dow Elastomers. Saranex is a tradename of the Dow Chemical Company. 4H is a trademark of the Safety 4 Company. Silver Shield is a trademark of the Siebe North Company. CPF3 and Responder are trademarks of the Kappler Company. Trellchem HPS is a trademark of the Trelleborg Company. Recommendations are NOT valid for very thin Natural Rubber, Neoprene, Nitrile, and PVC gloves (0.3 mm or less).

F

TABLE F

ChemicalCAS No.Recommendation for skin protectionRecommended protective clothing barriers*
Fenamiphos22224-92-6Prevent skin contactContact the manufacturer for recommendations
Fensulfothion115-90-2Prevent skin contactContact the manufacturer for recommendations
Fenthion55-38-9Prevent skin contactContact the manufacturer for recommendations
Ferbam14484-64-1Prevent skin contactContact the manufacturer for recommendations
Ferrovanadium dust12604-58-9N.R.Determine based on working conditions
Fibrous glass dust Prevent skin contactAny barrier that will prevent contamination from the dust and fiber
Fluorine7782-41-4Prevent skin contact (liquid)8 hr: Barricade, Responder
Fluorotrichloromethane75-69-4Prevent skin contactContact the manufacturer for recommendations
Fluoroxene406-90-6N.R.Determine based on working conditions
Fonofos944-22-9Prevent skin contactContact the manufacturer for recommendations
Formaldehyde50-00-0Prevent skin contactContact the manufacturer for recommendations
Formalin (as formaldehyde) Prevent skin contact8 hr: Butyl, Nitrile, Viton, Saranex, Barricade, CPF3 4 hr: Teflon, PE/EVAL, Responder
Formamide75-12-7N.R.Determine based on working conditions
Formic acid64-18-6Prevent skin contact8 hr: Butyl, Neoprene, Saranex, Barricade, Responder, Trellchem 4 hr: PVC, Teflon
Furfural98-01-1Prevent skin contact8 hr: Butyl, PE/EVAL, Barricade, CPF3, Trellchem, Tychem 4 hr: PVA, Saranex
Furfuryl alcohol98-00-0Prevent skin contact8 hr: PE/EVAL
Recommendations for skin protection
Prevent skin contact....Wear appropriate personal protective clothing to prevent skin contact. Suggested barriers for use should be confirmed with the vendor and for additional information and use limitations.
Frostbite....................Wear appropriate personal protective clothing to prevent the skin from becoming frozen from contact with the evaporating liquid or from contact with vessels containing the liquid.
N.R...........................No specific recommendation can be made. Actual working conditions will determine the need and type of personal protective equipment.
†Bold type indicates a change from or an addition to what is published in the NIOSH Pocket Guide to Chemical Hazards, June 1997 Edition. Recommended protective clothing barriers*

Butyl = Butyl Rubber (Gloves, Suits, Boots) Natural = Natural Rubber (Gloves) Neoprene = Neoprene Rubber (Gloves, Suits, Boots) Nitrile = Nitrile Rubber (Gloves, Suits, Boots) PE = Polyethylene (Gloves, Suits, Boots) PVA = Polyvinyl Alcohol (Gloves) PVC = Polyvinyl Chloride (Gloves, Suits, Boots) Teflon = Teflon™ (Gloves, Suits, Boots) Viton = Viton™ (Gloves, Suits) Saranex = Saranex™ coated suits PE/EVAL = 4H™ and Silver Shield™ brand gloves Barricade = Barricade™ coated suits CPF3 = CPF3™ suits Responder = Responder™ suits Trellchem = Trellchem HPS™ suits Tychem = Tychem 10000™ suits

8 hr = More than 8 hours of resistance to breakthrough >0.1  microng/cm2/min. 4 hr = At least 4 but less than 8 hours of resistance to breakthrough >0.1  microng/cm2/min.

*Neoprene is a tradename and Teflon, Barricade and Tychem 10000 are trademarks of the DuPont Company. Viton is a registered trademark of DuPont Dow Elastomers. Saranex is a tradename of the Dow Chemical Company. 4H is a trademark of the Safety 4 Company. Silver Shield is a trademark of the Siebe North Company. CPF3 and Responder are trademarks of the Kappler Company. Trellchem HPS is a trademark of the Trelleborg Company. Recommendations are NOT valid for very thin Natural Rubber, Neoprene, Nitrile, and PVC gloves (0.3 mm or less).

G

TABLE G

ChemicalCAS No.Recommendation for skin protectionRecommended protective clothing barriers*
Gasoline8006-61-9Prevent skin contact8 hr: Nitrile, Viton, Barricade 4 hr: PVA, PE/EVAL, Responder
Germanium tetrahydride7782-65-2N.R.Determine based on working conditions
Glutaraldehyde111-30-8Prevent skin contact8 hr: Butyl, Viton 4 hr: Natural, Neoprene, Nitrile, PVC
Glycerin (mist)56-81-5Prevent skin contact8 hr: Natural, Neoprene, Nitrile 4 hr: PE/EVAL
Glycidol556-52-5Prevent skin contactContact the manufacturer for recommendations
Glycolonitrile107-16-4Prevent skin contactContact the manufacturer for recommendations
Grain dust (oat, wheat, barley) N.R.Determine based on working conditions
Graphite (natural)7782-42-5N.R.Determine based on working conditions
Graphite (synthetic)7440-44-0 (synthetic)N.R.Determine based on working conditions
Gypsum13397-24-5N.R.Determine based on working conditions
Recommendations for skin protection
Prevent skin contact....Wear appropriate personal protective clothing to prevent skin contact. Suggested barriers for use should be confirmed with the vendor and for additional information and use limitations.
Frostbite....................Wear appropriate personal protective clothing to prevent the skin from becoming frozen from contact with the evaporating liquid or from contact with vessels containing the liquid.
N.R...........................No specific recommendation can be made. Actual working conditions will determine the need and type of personal protective equipment.
†Bold type indicates a change from or an addition to what is published in the NIOSH Pocket Guide to Chemical Hazards, June 1997 Edition. Recommended protective clothing barriers*

Butyl = Butyl Rubber (Gloves, Suits, Boots) Natural = Natural Rubber (Gloves) Neoprene = Neoprene Rubber (Gloves, Suits, Boots) Nitrile = Nitrile Rubber (Gloves, Suits, Boots) PE = Polyethylene (Gloves, Suits, Boots) PVA = Polyvinyl Alcohol (Gloves) PVC = Polyvinyl Chloride (Gloves, Suits, Boots) Teflon = Teflon™ (Gloves, Suits, Boots) Viton = Viton™ (Gloves, Suits) Saranex = Saranex™ coated suits PE/EVAL = 4H™ and Silver Shield™ brand gloves Barricade = Barricade™ coated suits CPF3 = CPF3™ suits Responder = Responder™ suits Trellchem = Trellchem HPS™ suits Tychem = Tychem 10000™ suits

8 hr = More than 8 hours of resistance to breakthrough >0.1  microng/cm2/min. 4 hr = At least 4 but less than 8 hours of resistance to breakthrough >0.1  microng/cm2/min.

*Neoprene is a tradename and Teflon, Barricade and Tychem 10000 are trademarks of the DuPont Company. Viton is a registered trademark of DuPont Dow Elastomers. Saranex is a tradename of the Dow Chemical Company. 4H is a trademark of the Safety 4 Company. Silver Shield is a trademark of the Siebe North Company. CPF3 and Responder are trademarks of the Kappler Company. Trellchem HPS is a trademark of the Trelleborg Company. Recommendations are NOT valid for very thin Natural Rubber, Neoprene, Nitrile, and PVC gloves (0.3 mm or less).

H

TABLE H

ChemicalCAS No.Recommendation for skin protectionRecommended protective clothing barriers*
Hafnium7440-58-6Prevent skin contactContact the manufacturer for recommendations
Halothane151-67-7Prevent skin contact8 hr: PVA
Heptachlor76-44-8Prevent skin contactContact the manufacturer for recommendations
n-Heptane142-82-5Prevent skin contact8 hr: Nitrile, Viton, PE/EVAL
1-Heptanethiol1639-09-4Prevent skin contactContact the manufacturer for recommendations
Hexachlorobutadiene87-68-3Prevent skin contact8 hr: Responder, Tychem
Hexachlorocyclopentadiene77-47-4Prevent skin contact8 hr: Butyl, Nitrile, PVA, Viton, Responder
Hexachloroethane67-72-1Prevent skin contactContact the manufacturer for recommendations
Hexachloronaphthalene1335-87-1Prevent skin contactContact the manufacturer for recommendations
1-Hexadecanethiol2917-26-2Prevent skin contactContact the manufacturer for recommendations
Hexafluoroacetone684-16-2Prevent skin contact/ FrostbiteContact the manufacturer for recommendations
Hexamethylene diisocyanate822-06-0Prevent skin contact8 hr: Saranex, Barricade, Responder
Hexamethyl phosphoramide680-31-9Prevent skin contactContact the manufacturer for recommendations
n-Hexane110-54-3Prevent skin contact8 hr: Nitrile, PVA, Teflon, Viton, PE/EVAL, CPF3, Responder, Trellchem, Tychem

4 hr: Barricade

Hexane isomers (excluding n-Hexane) Prevent skin contactContact the manufacturer for recommendations
n-Hexanethiol111-31-9Prevent skin contactContact the manufacturer for recommendations
2-Hexanone591-78-6Prevent skin contactContact the manufacturer for recommendations
Hexone108-10-1Prevent skin contactContact the manufacturer for recommendations
sec-Hexyl acetate108-84-9Prevent skin contactContact the manufacturer for recommendations
Hexylene glycol107-41-5Prevent skin contactContact the manufacturer for recommendations
Hydrazine302-01-2Prevent skin contact8 hr: Butyl, Neoprene, Nitrile, PVC, Teflon, Saranex, Barricade, Responder

4 hr: PE/EVAL

Hydrogenated terphenyls61788-32-7Prevent skin contactContact the manufacturer for recommendations
Hydrogen bromide10035-10-6Prevent skin contact (solution)/ Frostbite4 hr: Teflon

Prevent possible skin freezing from direct liquid contact

Hydrogen chloride7647-01-0Prevent skin contact (solution)/ Frostbite8hr: Butyl, Teflon, Saranex, Barricade, Responder, Trellchem, Tychem

4 hr: Neoprene, PVC

 

Prevent possible skin freezing from direct liquid contact

Hydrogen cyanide74-90-8Prevent skin contact8 hr: Teflon

4 hr: PE/EVAL, Responder, Tychem

Hydrogen fluoride (as F)7664-39-3Prevent skin contact (liquid)8 hr: Tychem

4 hr: Teflon

Hydrogen peroxide7722-84-1Prevent skin contact(solution 30%-70%)

8 hr: Butyl, Natural, Nitrile, PE, Viton, CPF3, Responder, Tychem

 

4 hr: PVC, PE/EVAL

Hydrogen selenide7783-07-5FrostbitePrevent possible skin freezing from direct liquid contact
Hydrogen sulfide7783-06-4Prevent skin contact/ Frostbite8 hr: Tychem

4 hr: Teflon

 

Prevent possible skin freezing from direct liquid contact

Hydroquinone123-31-9Prevent skin contact4 hr: Natural, Neoprene, Nitrile, PVC, PE/EVAL
2-Hydroxypropyl acrylate999-61-1Prevent skin contactContact the manufacturer for recommendations
 
Recommendations for skin protection
Prevent skin contact....Wear appropriate personal protective clothing to prevent skin contact. Suggested barriers for use should be confirmed with the vendor and for additional information and use limitations.
Frostbite....................Wear appropriate personal protective clothing to prevent the skin from becoming frozen from contact with the evaporating liquid or from contact with vessels containing the liquid.
N.R...........................No specific recommendation can be made. Actual working conditions will determine the need and type of personal protective equipment.
†Bold type indicates a change from or an addition to what is published in the NIOSH Pocket Guide to Chemical Hazards, June 1997 Edition. Recommended protective clothing barriers*

Butyl = Butyl Rubber (Gloves, Suits, Boots) Natural = Natural Rubber (Gloves) Neoprene = Neoprene Rubber (Gloves, Suits, Boots) Nitrile = Nitrile Rubber (Gloves, Suits, Boots) PE = Polyethylene (Gloves, Suits, Boots) PVA = Polyvinyl Alcohol (Gloves) PVC = Polyvinyl Chloride (Gloves, Suits, Boots) Teflon = Teflon™ (Gloves, Suits, Boots) Viton = Viton™ (Gloves, Suits) Saranex = Saranex™ coated suits PE/EVAL = 4H™ and Silver Shield™ brand gloves Barricade = Barricade™ coated suits CPF3 = CPF3™ suits Responder = Responder™ suits Trellchem = Trellchem HPS™ suits Tychem = Tychem 10000™ suits

8 hr = More than 8 hours of resistance to breakthrough >0.1  microng/cm2/min. 4 hr = At least 4 but less than 8 hours of resistance to breakthrough >0.1  microng/cm2/min.

*Neoprene is a tradename and Teflon, Barricade and Tychem 10000 are trademarks of the DuPont Company. Viton is a registered trademark of DuPont Dow Elastomers. Saranex is a tradename of the Dow Chemical Company. 4H is a trademark of the Safety 4 Company. Silver Shield is a trademark of the Siebe North Company. CPF3 and Responder are trademarks of the Kappler Company. Trellchem HPS is a trademark of the Trelleborg Company. Recommendations are NOT valid for very thin Natural Rubber, Neoprene, Nitrile, and PVC gloves (0.3 mm or less).

I

TABLE I

ChemicalCAS No.Recommendation for skin protectionRecommended protective clothing barriers*
Indene95-13-6Prevent skin contactContact the manufacturer for recommendations
Indium7440-74-6N.R.Determine based on working conditions
Iodine755-35-62Prevent skin contact8 hr: Saranex 4 hr: PE
Iodoform75-47-8Prevent skin contactContact the manufacturer for recommendations
Iron oxide dust and fume (as Fe)1309-37-1N.R.Determine based on working conditions
Iron pentacarbonyl (as Fe)13463-40-6Prevent skin contactContact the manufacturer for recommendations
Iron salts (soluble, as Fe) Prevent skin contactContact the manufacturer for recommendations for the specific compound
Isoamyl acetate123-92-2Prevent skin contactContact the manufacturer for recommendations
Isoamyl alcohol (primary)123-51-3Prevent skin contact8 hr: Butyl, Neoprene, Nitrile, Viton
Isoamyl alcohol (secondary)528-75-4Prevent skin contactContact the manufacturer for recommendations
Isobutane75-28-5FrostbitePrevent possible skin freezing from direct liquid contact
Isobutyl acetate11-01-90Prevent skin contactContact the manufacturer for recommendations
Isobutyl alcohol78-83-1Prevent skin contact8 hr: Butyl, Neoprene, Viton, Responder 4 hr: Nitrile, PE/EVAL
Isobutyronitrile78-82-0Prevent skin contact4 hr: Teflon
Isooctyl alcohol26952-21-6Prevent skin contactContact the manufacturer for recommendations
Isophorone78-59-1Prevent skin contact8 hr: Responder 4 hr: PVA, PE/EVAL
Isophorone diisocyanate4098-71-9Prevent skin contact8 hr: Butyl, Nitrile, PVA, Viton, Responder
2-Isopropoxyethanol109-59-1Prevent skin contactContact the manufacturer for recommendations
Isopropyl acetate108-21-4Prevent skin contactContact the manufacturer for recommendations
Isopropyl alcohol67-63-0Prevent skin contact8 hr: Butyl, Nitrile, Viton, PE/EVAL, CPF3, Responder 4 hr: Neoprene, Teflon
Isopropylamine75-31-0Prevent skin contact8 hr: Tychem 4 hr: Teflon
N-Isopropylaniline768-52-5Prevent skin contactContact the manufacturer for recommendations
Isopropyl ether108-20-3Prevent skin contactContact the manufacturer for recommendations
Isopropyl glycidyl ether4016-14-2Prevent skin contactContact the manufacturer for recommendations
Recommendations for skin protection
Prevent skin contact....Wear appropriate personal protective clothing to prevent skin contact. Suggested barriers for use should be confirmed with the vendor and for additional information and use limitations.
Frostbite....................Wear appropriate personal protective clothing to prevent the skin from becoming frozen from contact with the evaporating liquid or from contact with vessels containing the liquid.
N.R...........................No specific recommendation can be made. Actual working conditions will determine the need and type of personal protective equipment.
†Bold type indicates a change from or an addition to what is published in the NIOSH Pocket Guide to Chemical Hazards, June 1997 Edition. Recommended protective clothing barriers*

Butyl = Butyl Rubber (Gloves, Suits, Boots) Natural = Natural Rubber (Gloves) Neoprene = Neoprene Rubber (Gloves, Suits, Boots) Nitrile = Nitrile Rubber (Gloves, Suits, Boots) PE = Polyethylene (Gloves, Suits, Boots) PVA = Polyvinyl Alcohol (Gloves) PVC = Polyvinyl Chloride (Gloves, Suits, Boots) Teflon = Teflon™ (Gloves, Suits, Boots) Viton = Viton™ (Gloves, Suits) Saranex = Saranex™ coated suits PE/EVAL = 4H™ and Silver Shield™ brand gloves Barricade = Barricade™ coated suits CPF3 = CPF3™ suits Responder = Responder™ suits Trellchem = Trellchem HPS™ suits Tychem = Tychem 10000™ suits

8 hr = More than 8 hours of resistance to breakthrough >0.1  microng/cm2/min. 4 hr = At least 4 but less than 8 hours of resistance to breakthrough >0.1  microng/cm2/min.

*Neoprene is a tradename and Teflon, Barricade and Tychem 10000 are trademarks of the DuPont Company. Viton is a registered trademark of DuPont Dow Elastomers. Saranex is a tradename of the Dow Chemical Company. 4H is a trademark of the Safety 4 Company. Silver Shield is a trademark of the Siebe North Company. CPF3 and Responder are trademarks of the Kappler Company. Trellchem HPS is a trademark of the Trelleborg Company. Recommendations are NOT valid for very thin Natural Rubber, Neoprene, Nitrile, and PVC gloves (0.3 mm or less).

K

TABLE K

ChemicalCAS No.Recommendation for skin protectionRecommended protective clothing barriers*
Kaolin1332-58-7N.R.Determine based on working conditions
Kepone14-35-00Prevent skin contactContact the manufacturer for recommendations
Kerosene800-82-06Prevent skin contact8 hr: Nitrile, PE, Viton 4 hr: Neoprene, PVA, PVC, Barricade, Responder
Ketene46-35-14N.R.Determine based on working conditions
Recommendations for skin protection
Prevent skin contact....Wear appropriate personal protective clothing to prevent skin contact. Suggested barriers for use should be confirmed with the vendor and for additional information and use limitations.
Frostbite....................Wear appropriate personal protective clothing to prevent the skin from becoming frozen from contact with the evaporating liquid or from contact with vessels containing the liquid.
N.R...........................No specific recommendation can be made. Actual working conditions will determine the need and type of personal protective equipment.
†Bold type indicates a change from or an addition to what is published in the NIOSH Pocket Guide to Chemical Hazards, June 1997 Edition. Recommended protective clothing barriers*

Butyl = Butyl Rubber (Gloves, Suits, Boots) Natural = Natural Rubber (Gloves) Neoprene = Neoprene Rubber (Gloves, Suits, Boots) Nitrile = Nitrile Rubber (Gloves, Suits, Boots) PE = Polyethylene (Gloves, Suits, Boots) PVA = Polyvinyl Alcohol (Gloves) PVC = Polyvinyl Chloride (Gloves, Suits, Boots) Teflon = Teflon™ (Gloves, Suits, Boots) Viton = Viton™ (Gloves, Suits) Saranex = Saranex™ coated suits PE/EVAL = 4H™ and Silver Shield™ brand gloves Barricade = Barricade™ coated suits CPF3 = CPF3™ suits Responder = Responder™ suits Trellchem = Trellchem HPS™ suits Tychem = Tychem 10000™ suits

8 hr = More than 8 hours of resistance to breakthrough >0.1  microng/cm2/min. 4 hr = At least 4 but less than 8 hours of resistance to breakthrough >0.1  microng/cm2/min.

*Neoprene is a tradename and Teflon, Barricade and Tychem 10000 are trademarks of the DuPont Company. Viton is a registered trademark of DuPont Dow Elastomers. Saranex is a tradename of the Dow Chemical Company. 4H is a trademark of the Safety 4 Company. Silver Shield is a trademark of the Siebe North Company. CPF3 and Responder are trademarks of the Kappler Company. Trellchem HPS is a trademark of the Trelleborg Company. Recommendations are NOT valid for very thin Natural Rubber, Neoprene, Nitrile, and PVC gloves (0.3 mm or less).

L

TABLE L

ChemicalCAS No.Recommendation for skin protectionRecommended protective clothing barriers*
Lead7439-92-1Prevent skin contactAny barrier that will prevent contamination from the dust
Limestone1317-65-3N.R.Determine based on working conditions
Lindane58-89-9Prevent skin contactContact the manufacturer for recommendations
Lithium hydride7580-67-8Prevent skin contactContact the manufacturer for recommendations
L.P.G.68476-85-7FrostbitePrevent possible skin freezing from direct liquid contact
Recommendations for skin protection
Prevent skin contact....Wear appropriate personal protective clothing to prevent skin contact. Suggested barriers for use should be confirmed with the vendor and for additional information and use limitations.
Frostbite....................Wear appropriate personal protective clothing to prevent the skin from becoming frozen from contact with the evaporating liquid or from contact with vessels containing the liquid.
N.R...........................No specific recommendation can be made. Actual working conditions will determine the need and type of personal protective equipment.
†Bold type indicates a change from or an addition to what is published in the NIOSH Pocket Guide to Chemical Hazards, June 1997 Edition. Recommended protective clothing barriers*

Butyl = Butyl Rubber (Gloves, Suits, Boots) Natural = Natural Rubber (Gloves) Neoprene = Neoprene Rubber (Gloves, Suits, Boots) Nitrile = Nitrile Rubber (Gloves, Suits, Boots) PE = Polyethylene (Gloves, Suits, Boots) PVA = Polyvinyl Alcohol (Gloves) PVC = Polyvinyl Chloride (Gloves, Suits, Boots) Teflon = Teflon™ (Gloves, Suits, Boots) Viton = Viton™ (Gloves, Suits) Saranex = Saranex™ coated suits PE/EVAL = 4H™ and Silver Shield™ brand gloves Barricade = Barricade™ coated suits CPF3 = CPF3™ suits Responder = Responder™ suits Trellchem = Trellchem HPS™ suits Tychem = Tychem 10000™ suits

8 hr = More than 8 hours of resistance to breakthrough >0.1  microng/cm2/min. 4 hr = At least 4 but less than 8 hours of resistance to breakthrough >0.1  microng/cm2/min.

*Neoprene is a tradename and Teflon, Barricade and Tychem 10000 are trademarks of the DuPont Company. Viton is a registered trademark of DuPont Dow Elastomers. Saranex is a tradename of the Dow Chemical Company. 4H is a trademark of the Safety 4 Company. Silver Shield is a trademark of the Siebe North Company. CPF3 and Responder are trademarks of the Kappler Company. Trellchem HPS is a trademark of the Trelleborg Company. Recommendations are NOT valid for very thin Natural Rubber, Neoprene, Nitrile, and PVC gloves (0.3 mm or less).

M

TABLE M

ChemicalCAS No.Recommendation for skin protectionRecommended protective clothing barriers*
Magnesite546-93-0N.R.Determine based on working conditions
Magnesium oxide fume1309-48-4N.R.Determine based on working conditions
Malathion121-75-5Prevent skin contact4 hr: Teflon, PE/EVAL
Maleic anhydride108-31-6Prevent skin contact8 hr: Responder
Malonaldehyde542-78-9Prevent skin contactContact the manufacturer for recommendations
Malononitrile109-77-3Prevent skin contactContact the manufacturer for recommendations
Manganese compounds and fume (as Mn)7439-96-5 (metal)N.R.Determine based on working conditions
Manganese cyclopentadienyl tricarbonyl (as Mn)12079-65-1Prevent skin contactContact the manufacturer for recommendations
Manganese tetroxide (as Mn)1317-35-7N.R.Determine based on working conditions
Marble1317-65-3N.R.Determine based on working conditions
Mercury compounds [except (organo) alkyls] (as Hg)7439-97-6 (metal)Prevent skin contactContact the manufacturer for recommendations for the specific compound
Mercury (organo) alkyl compounds (as Hg) Prevent skin contactContact the manufacturer for recommendations for the specific compound
Mesityl oxide141-79-7Prevent skin contact8 hr: Responder
Methacrylic acid79-41-4Prevent skin contact8 hr: Butyl, Viton, PE/EVAL, REsponder, Tychem
Methomyl16752-77-5Prevent skin contact8 hr: Tychem
Methoxychlor72-43-5Prevent skin contactContact the manufacturer for recommendations
Methoxyflurane76-38-0N.R.Determine based on working conditions
4-Methoxyphenol150-76-5Prevent skin contactContact the manufacturer for recommendations
Methyl acetate79-20-9Prevent skin contact8 hr: PE/EVAL 4 hr: Teflon
Methyl acetylene74-99-7FrostbitePrevent possible skin freezing from direct liquid contact
Methyl acetylene-propadiene mixture59355-75-8FrostbitePrevent possible skin freezing from direct liquid contact
Methyl acrylate96-33-3Prevent skin contact8 hr: Butyl, Tychem 4 hr: Teflon
Methylacrylonitrile126-98-7Prevent skin contactContact the manufacturer for recommendations
Methylal109-87-5Prevent skin contactContact the manufacturer for recommendations
Methyl alcohol67-56-1Prevent skin contact8 hr: Butyl, Teflon, Viton, Saranex, PE/EVAL, Responder, Trellchem, Tychem
Methylamine74-89-5Prevent skin contact (solution)/ Frostbite8 hr: Responder, Tychem 4 hr: Teflon Prevent possible skin freezing from direct liquid contact
Methyl (n-amyl) ketone110-43-0Prevent skin contact4 hr: PE/EVAL
Methyl bromide74-83-9Prevent skin contact (liquid)8 hr: Responder, Tychem 4 hr: Butyl, Neoprene, Teflon
Methyl Cellosolve®109-86-4Prevent skin contact8 hr: Butyl, Tychem 4 hr: PE/EVAL
Methyl Cellosolve® acetate110-49-6Prevent skin contact8 hr: Butyl, Tychem 4 hr: Saranex, PE/EVAL
Methyl chloride74-87-3Prevent skin contact/ Frostbite8 hr: Viton, Saranex, Barricade, Responder, Trellchem, Tychem 4 hr: Teflon Prevent possible skin freezing from direct liquid contact
Methyl chloroform71-55-6Prevent skin contact8 hr: PVA, Viton, PE/EVAL, Barricade, CPF3, Responder, Tychem 4 hr: Teflon
Methyl-2-cyanoacrylate137-05-3Prevent skin contactContact the manufacturer for recommendations
Methylcyclohexane108-87-2Prevent skin contactContact the manufacturer for recommendations
Methylcyclohexanol25639-42-3Prevent skin contactContact the manufacturer for recommendations
o-Methylcyclohexanone583-60-8Prevent skin contactContact the manufacturer for recommendations
Methyl cyclopentadienyl manganese tricarbonyl (as Mn)12108-13-3Prevent skin contactContact the manufacturer for recommendations
Methyl demeton8022-00-2Prevent skin contactContact the manufacturer for recommendations
4,4'-Methylenebis(2-chloroaniline)101-14-4Prevent skin contact8 hr: Saranex, Barricade 4 hr: PE/EVAL
Methylene bis(4-cyclo-hexylisocyanate)5124-30-1Prevent skin contactContact the manufacturer for recommendations
Methylene bisphenyl isocyanate101-68-8Prevent skin contact8 hr: PE/EVAL, Barricade, Responder
Methylene chloride75-09-2Prevent skin contact8 hr: PVA, PE/EVAL, Responder, Trellchem, Tychem 4 hr: Teflon, Barricade
4,4'-Methylenedianiline101-77-9Prevent skin contact8 hr: PE/EVAL
Methyl ethyl ketone peroxide1338-23-4Prevent skin contactContact the manufacturer for recommendations
Methyl formate107-31-3Prevent skin contactContact the manufacturer for recommendations
5-Methyl-3-heptanone541-85-5Prevent skin contactContact the manufacturer for recommendations
Methyl hydrazine603-4-4Prevent skin contact8 hr: Responder, Tychem
Methyl iodide74-88-4Prevent skin contact8 hr: Viton, Responder, Tychem
Methyl isoamyl ketone110-12-3Prevent skin contactContact the manufacturer for recommendations
Methyl isobutyl carbinol108-11-2Prevent skin contactContact the manufacturer for recommendations
Methyl isocyanate624-83-9Prevent skin contact8 hr: PVA, Barricade, Responder, Trellchem, Tychem
Methyl isopropyl ketone563-80-4Prevent skin contactContact the manufacturer for recommendations
Methyl mercaptan74-93-1Prevent skin contact (liquid)/ Frostbite8 hr: Barricade, Responder, Tychem Prevent possible skin freezing from direct liquid contact
Methyl methacrylate80-62-6Prevent skin contact8 hr: PVA, PE/EVAL, Barricade, Trellchem 4 hr: Teflon
Methyl parathion298-00-0Prevent skin contactContact the manufacturer for recommendations
Methyl silicate681-84-5Prevent skin contactContact the manufacturer for recommendations
alpha-Methyl styrene98-83-9Prevent skin contactContact the manufacturer for recommendations
Metribuzin21087-64-9Prevent skin contactContact the manufacturer for recommendations
Mica (containing less than 1% quartz)12001-26-2N.R.Determine based on working conditions
Mineral wool fiber Prevent skin contactAny barrier that will prevent contamination from the dust and fiber
Molybdenum7439-98-7N.R.Determine based on working conditions
Molybdenum (soluble compounds, as Mo) Prevent skin contactContact the manufacturer for recommendations for specific compounds
Monocrotophos6923-22-4Prevent skin contactContact the manufacturer for recommendations
Monomethyl aniline100-61-8Prevent skin contactContact the manufacturer for recommendations
Morpholine110-91-8Prevent skin contact8 hr: Butyl, PE/EVAL
Recommendations for skin protection
Prevent skin contact....Wear appropriate personal protective clothing to prevent skin contact. Suggested barriers for use should be confirmed with the vendor and for additional information and use limitations.
Frostbite....................Wear appropriate personal protective clothing to prevent the skin from becoming frozen from contact with the evaporating liquid or from contact with vessels containing the liquid.
N.R...........................No specific recommendation can be made. Actual working conditions will determine the need and type of personal protective equipment.
†Bold type indicates a change from or an addition to what is published in the NIOSH Pocket Guide to Chemical Hazards, June 1997 Edition. Recommended protective clothing barriers*

Butyl = Butyl Rubber (Gloves, Suits, Boots) Natural = Natural Rubber (Gloves) Neoprene = Neoprene Rubber (Gloves, Suits, Boots) Nitrile = Nitrile Rubber (Gloves, Suits, Boots) PE = Polyethylene (Gloves, Suits, Boots) PVA = Polyvinyl Alcohol (Gloves) PVC = Polyvinyl Chloride (Gloves, Suits, Boots) Teflon = Teflon™ (Gloves, Suits, Boots) Viton = Viton™ (Gloves, Suits) Saranex = Saranex™ coated suits PE/EVAL = 4H™ and Silver Shield™ brand gloves Barricade = Barricade™ coated suits CPF3 = CPF3™ suits Responder = Responder™ suits Trellchem = Trellchem HPS™ suits Tychem = Tychem 10000™ suits

8 hr = More than 8 hours of resistance to breakthrough >0.1  microng/cm2/min. 4 hr = At least 4 but less than 8 hours of resistance to breakthrough >0.1  microng/cm2/min.

*Neoprene is a tradename and Teflon, Barricade and Tychem 10000 are trademarks of the DuPont Company. Viton is a registered trademark of DuPont Dow Elastomers. Saranex is a tradename of the Dow Chemical Company. 4H is a trademark of the Safety 4 Company. Silver Shield is a trademark of the Siebe North Company. CPF3 and Responder are trademarks of the Kappler Company. Trellchem HPS is a trademark of the Trelleborg Company. Recommendations are NOT valid for very thin Natural Rubber, Neoprene, Nitrile, and PVC gloves (0.3 mm or less).

N

TABLE N

ChemicalCAS No.Recommendation for skin protectionRecommended protective clothing barriers*
Naphtha (coal tar)8030-30-6Prevent skin contact8 hr: Viton 4 hr: Nitrile, PVA
Naphthalene91-20-3Prevent skin contact8 hr: Teflon
Naphthalene diisocyanate3173-72-6Prevent skin contactContact the manufacturer for recommendations
alpha-Naphthylamine134-32-7Prevent skin contactContact the manufacturer for recommendations
ß-Naphthylamine91-59-8Prevent skin contactContact the manufacturer for recommendations
Niax® Catalyst ESN62765-93-9Prevent skin contactContact the manufacturer for recommendations
Nickel carbonyl13463-39-3Prevent skin contact8 hr: Tychem
Nickel metal and other compounds (as Ni)7440-02-0 (Metal)Prevent skin contactContact the manufacturer for recommendations for specific compounds
Nicotine54-11-5Prevent skin contact8 hr: Barricade, CPF3, Responder 4 hr: Teflon, PE/EVAL
Nitric acid7697-37-2Prevent skin contact(<70% only) 8 hr: Butyl, Viton, Saranex, Barricade, CPF3, Trellchem, Tychem 4 hr: Neoprene, PE, PE/EVAL, Responder
Nitric oxide10102-43-9N.R.Determine based on working conditions
p-Nitroaniline100-01-6Prevent skin contactContact the manufacturer for recommendations
Nitrobenzene98-95-3Prevent skin contact8 hr: Butyl, PVA, Teflon, Viton, PE/EVAL, Barricade, CPF3, Responder, Trellchem, Tychem
4-Nitrobiphenyl92-93-3Prevent skin contactContact the manufacturer for recommendations
p-Nitrochlorobenzene100-00-5Prevent skin contact4 hr: Saranex
Nitroethane79-24-3Prevent skin contact8 hr: Butyl, PE/EVAL, Barricade 4 hr: Teflon
Nitrogen dioxide10102-44-0Prevent skin contact8 hr: Saranex
Nitrogen trifluoride7783-54-2N.R.Determine based on working conditions
Nitroglycerine55-63-0Prevent skin contact4 hr: PE/EVAL
Nitromethane75-52-5Prevent skin contact8 hr: Butyl, Teflon, PE/EVAL, Barricade, Responder, Trellchem 4 hr: PVA
2-Nitronaphthalene581-89-5Prevent skin contactContact the manufacturer for recommendations
1-Nitropropane108-03-2Prevent skin contact8 hr: Butyl, PVA
2-Nitropropane79-46-9Prevent skin contact8 hr: Butyl, PVA, Tychem 4 hr: Teflon, PE/EVAL
N-Nitrosodimethylamine62-75-9Prevent skin contactContact the manufacturer for recommendations
o-Nitrotoluene88-72-2Prevent skin contact8 hr: Butyl 4 hr: Teflon, Saranex
m-Nitrotoluene99-08-1Prevent skin contactContact the manufacturer for recommendations
p-Nitrotoluene99-99-0Prevent skin contactContact the manufacturer for recommendations
Nitrous oxide10024-97-2FrostbitePrevent possible skin freezing from direct liquid contact
Nonane111-84-2N.R.Determine based on working conditions
1-Nonanethiol1455-21-6Prevent skin contactContact the manufacturer for recommendations
Recommendations for skin protection
Prevent skin contact....Wear appropriate personal protective clothing to prevent skin contact. Suggested barriers for use should be confirmed with the vendor and for additional information and use limitations.
Frostbite....................Wear appropriate personal protective clothing to prevent the skin from becoming frozen from contact with the evaporating liquid or from contact with vessels containing the liquid.
N.R...........................No specific recommendation can be made. Actual working conditions will determine the need and type of personal protective equipment.
†Bold type indicates a change from or an addition to what is published in the NIOSH Pocket Guide to Chemical Hazards, June 1997 Edition. Recommended protective clothing barriers*

Butyl = Butyl Rubber (Gloves, Suits, Boots) Natural = Natural Rubber (Gloves) Neoprene = Neoprene Rubber (Gloves, Suits, Boots) Nitrile = Nitrile Rubber (Gloves, Suits, Boots) PE = Polyethylene (Gloves, Suits, Boots) PVA = Polyvinyl Alcohol (Gloves) PVC = Polyvinyl Chloride (Gloves, Suits, Boots) Teflon = Teflon™ (Gloves, Suits, Boots) Viton = Viton™ (Gloves, Suits) Saranex = Saranex™ coated suits PE/EVAL = 4H™ and Silver Shield™ brand gloves Barricade = Barricade™ coated suits CPF3 = CPF3™ suits Responder = Responder™ suits Trellchem = Trellchem HPS™ suits Tychem = Tychem 10000™ suits

8 hr = More than 8 hours of resistance to breakthrough >0.1  microng/cm2/min. 4 hr = At least 4 but less than 8 hours of resistance to breakthrough >0.1  microng/cm2/min.

*Neoprene is a tradename and Teflon, Barricade and Tychem 10000 are trademarks of the DuPont Company. Viton is a registered trademark of DuPont Dow Elastomers. Saranex is a tradename of the Dow Chemical Company. 4H is a trademark of the Safety 4 Company. Silver Shield is a trademark of the Siebe North Company. CPF3 and Responder are trademarks of the Kappler Company. Trellchem HPS is a trademark of the Trelleborg Company. Recommendations are NOT valid for very thin Natural Rubber, Neoprene, Nitrile, and PVC gloves (0.3 mm or less).

O

TABLE O

ChemicalCAS No.Recommendation for skin protectionRecommended protective clothing barriers*
Octachloronaphthalene2234-13-1Prevent skin contactContact the manufacturer for recommendations
1-Octadecanethiol2885-00-9Prevent skin contactContact the manufacturer for recommendations
Octane111-65-9Prevent skin contact8 hr: Responder, Tychem 4 hr: Nitrile, Viton
1-Octanethiol111-88-6Prevent skin contactContact the manufacturer for recommendations
Oil mist (mineral)8012-95-1Prevent skin contactContact the manufacturer for recommendations
Osmium tetroxide20816-12-0Prevent skin contactContact the manufacturer for recommendations
Oxalic acid144-62-7Prevent skin contact8 hr: Butyl, Natural, Neoprene, Nitrile, PVC, Viton
Oxygen difluoride7783-41-7N.R.Determine based on working conditions
Ozone10028-15-6N.R.Determine based on working conditions
Recommendations for skin protection
Prevent skin contact....Wear appropriate personal protective clothing to prevent skin contact. Suggested barriers for use should be confirmed with the vendor and for additional information and use limitations.
Frostbite....................Wear appropriate personal protective clothing to prevent the skin from becoming frozen from contact with the evaporating liquid or from contact with vessels containing the liquid.
N.R...........................No specific recommendation can be made. Actual working conditions will determine the need and type of personal protective equipment.
†Bold type indicates a change from or an addition to what is published in the NIOSH Pocket Guide to Chemical Hazards, June 1997 Edition. Recommended protective clothing barriers*

Butyl = Butyl Rubber (Gloves, Suits, Boots) Natural = Natural Rubber (Gloves) Neoprene = Neoprene Rubber (Gloves, Suits, Boots) Nitrile = Nitrile Rubber (Gloves, Suits, Boots) PE = Polyethylene (Gloves, Suits, Boots) PVA = Polyvinyl Alcohol (Gloves) PVC = Polyvinyl Chloride (Gloves, Suits, Boots) Teflon = Teflon™ (Gloves, Suits, Boots) Viton = Viton™ (Gloves, Suits) Saranex = Saranex™ coated suits PE/EVAL = 4H™ and Silver Shield™ brand gloves Barricade = Barricade™ coated suits CPF3 = CPF3™ suits Responder = Responder™ suits Trellchem = Trellchem HPS™ suits Tychem = Tychem 10000™ suits

8 hr = More than 8 hours of resistance to breakthrough >0.1  microng/cm2/min. 4 hr = At least 4 but less than 8 hours of resistance to breakthrough >0.1  microng/cm2/min.

*Neoprene is a tradename and Teflon, Barricade and Tychem 10000 are trademarks of the DuPont Company. Viton is a registered trademark of DuPont Dow Elastomers. Saranex is a tradename of the Dow Chemical Company. 4H is a trademark of the Safety 4 Company. Silver Shield is a trademark of the Siebe North Company. CPF3 and Responder are trademarks of the Kappler Company. Trellchem HPS is a trademark of the Trelleborg Company. Recommendations are NOT valid for very thin Natural Rubber, Neoprene, Nitrile, and PVC gloves (0.3 mm or less).

P

TABLE P

ChemicalCAS No.Recommendation for skin protectionRecommended protective clothing barriers*
Paraffin wax fume8002-74-2N.R.Determine based on working conditions
Paraquat (Paraquat dichloride)1910-42-5Prevent skin contactContact the manufacturer for recommendations
Parathion56-38-2Prevent skin contact8 hr: Tychem 4 hr: Teflon
Particulates not otherwise regulated N.R.Determine based on working conditions
Pentaborane19624-22-7Prevent skin contactContact the manufacturer for recommendations
Pentachloroethane76-01-7Prevent skin contactContact the manufacturer for recommendations
Pentachloronaphthalene1321-64-8Prevent skin contactContact the manufacturer for recommendations
Pentachlorophenol87-86-5Prevent skin contact8 hr: Nitrile, Viton 4 hr: Neoprene, PE/EVAL
Pentaerythritol115-77-5N.R.Determine based on working conditions
n-Pentane109-66-0Prevent skin contact8 hr: Viton, PE/EVAL 4 hr: Nitrile, PVA
1-Pentanethiol110-66-7Prevent skin contactContact the manufacturer for recommendations
2-Pentanone107-87-9Prevent skin contact4 hr: Butyl
Perchloromethyl mercaptan594-42-3Prevent skin contactContact the manufacturer for recommendations
Perchloryl fluoride7616-94-6FrostbitePrevent possible skin freezing from direct liquid contact
Perlite93763-70-3N.R.Determine based on working conditions
Petroleum distillates (naphtha)8002-05-9Prevent skin contactContact the manufacturer for recommendations
Phenol108-95-2Prevent skin contact8 hr: Viton, Saranex, Barricade, Responder, Trellchem 4 hr: Butyl, Neoprene, Teflon, PE/EVAL
Phenothiazine92-84-2Prevent skin contactContact the manufacturer for recommendations
p-Phenylene diamine106-50-3Prevent skin contactContact the manufacturer for recommendations
Phenyl ether (vapor)101-84-8Prevent skin contactContact the manufacturer for recommendations
Phenyl ether-biphenyl mixture (vapor)8004-13-5Prevent skin contactContact the manufacturer for recommendations
Phenyl glycidyl ether122-60-1Prevent skin contactContact the manufacturer for recommendations
Phenylhydrazine100-63-0Prevent skin contactContact the manufacturer for recommendations
N-Phenyl-ß-naphthylamine135-88-6Prevent skin contactContact the manufacturer for recommendations
Phenylphosphine638-21-1Prevent skin contactContact the manufacturer for recommendations
Phorate298-02-2Prevent skin contactContact the manufacturer for recommendations
Phosdrin7786-34-7Prevent skin contactContact the manufacturer for recommendations
Phosgene75-44-5Prevent skin contact (liquid)8 hr: Responder, Tychem 4 hr: Teflon
Phosphine7803-51-2Prevent skin contact/ Frostbite8 hr: Responder Prevent possible skin freezing from direct liquid contact
Phosphoric acid7664-38-2Prevent skin contact8 hr: Butyl, Natural, Neoprene, Nitrile, PE, PVC, Viton, Saranex, PE/EVAL, Barricade, Responder, Trellchem
Phosphorus (yellow)7723-14-0Prevent skin contact* [*Note: Flame retardant equipment should be provided.]Contact the manufacturer for recommendations
Phosphorus oxychloride10025-87-3Prevent skin contact8 hr: Responder, Trellchem 4 hr: Teflon, PE/EVAL
Phosphorus pentachloride10026-13-8Prevent skin contactContact the manufacturer for recommendations
Phosphorus pentasulfide1314-80-3Prevent skin contact* [*Note: Flame retardant equipment should be provided]Contact the manufacturer for recommendations
Phosphorus trichloride7719-12-2Prevent skin contact8 hr: Barricade, Trellchem 4 hr: Teflon
Phthalic anhydride85-44-9Prevent skin contact4 hr: PE/EVAL
m-Phthalodinitrile626-17-5Prevent skin contactContact the manufacturer for recommendations
Picloram1918-02-1Prevent skin contactContact the manufacturer for recommendations
Picric acid88-89-1Prevent skin contactContact the manufacturer for recommendations
Pindone83-26-1N.R.Determine based on working conditions
Piperazine dihydrochloride142-64-3Prevent skin contactContact the manufacturer for recommendations
Plaster of Paris26499-65-0N.R.Determine based on working conditions
Platinum7440-06-4N.R.Determine based on working conditions
Platinum (soluble salts, as Pt) Prevent skin contactContact the manufacturer for recommendations for specific compounds
Portland cement65997-15-1Prevent skin contactAny barrier that will prevent contamination from the cement
Potassium cyanide (as CN)151-50-8Prevent skin contact(solution <30% only) 8 hr: PE
Potassium hydroxide1310-58-3Prevent skin contact(solution <70% only) 8 hr: Butyl, Natural, Nitrile, PVC, Viton 4 hr: Teflon, PE/EVAL
Propane74-98-6FrostbitePrevent possible skin freezing from direct liquid contact
Propane sultone1120-71-4Prevent skin contactContact the manufacturer for recommendations
1-Propanethiol107-03-9N.R.Determine based on working conditions
Propargyl alcohol107-19-7Prevent skin contactContact the manufacturer for recommendations
ß-Propiolactone57-57-8Prevent skin contact4 hr: Teflon
Propionic acid79-09-4Prevent skin contact4 hr: Teflon
Propionitrile107-12-0Prevent skin contact8 hr: PVA
Propoxur114-26-1Prevent skin contactContact the manufacturer for recommendations
n-Propyl acetate109-60-4Prevent skin contact8 hr: PE/EVAL
n-Propyl alcohol71-23-8Prevent skin contact8 hr: Butyl, Nitrile, Viton 4 hr: Neoprene, PVA
Propylene dichloride78-87-5Prevent skin contactContact the manufacturer for recommendations
Propylene glycol dinitrate6423-43-4Prevent skin contactContact the manufacturer for recommendations
Propylene glycol monomethyl ether107-98-2Prevent skin contact8 hr: Butyl 4 hr: Neoprene, PE/EVAL
Propylene imine75-55-8Prevent skin contactContact the manufacturer for recommendations
Propylene oxide75-56-9Prevent skin contact8 hr: Barricade, Tychem 4 hr: Teflon, PE/EVAL, Responder
n-Propyl nitrate627-13-4Prevent skin contactContact the manufacturer for recommendations
Pyrethrum8003-34-7Prevent skin contactContact the manufacturer for recommendations
Pyridine110-86-1Prevent skin contact8 hr: PE/EVAL, Responder, Tychem
Recommendations for skin protection
Prevent skin contact....Wear appropriate personal protective clothing to prevent skin contact. Suggested barriers for use should be confirmed with the vendor and for additional information and use limitations.
Frostbite....................Wear appropriate personal protective clothing to prevent the skin from becoming frozen from contact with the evaporating liquid or from contact with vessels containing the liquid.
N.R...........................No specific recommendation can be made. Actual working conditions will determine the need and type of personal protective equipment.
†Bold type indicates a change from or an addition to what is published in the NIOSH Pocket Guide to Chemical Hazards, June 1997 Edition. Recommended protective clothing barriers*

Butyl = Butyl Rubber (Gloves, Suits, Boots) Natural = Natural Rubber (Gloves) Neoprene = Neoprene Rubber (Gloves, Suits, Boots) Nitrile = Nitrile Rubber (Gloves, Suits, Boots) PE = Polyethylene (Gloves, Suits, Boots) PVA = Polyvinyl Alcohol (Gloves) PVC = Polyvinyl Chloride (Gloves, Suits, Boots) Teflon = Teflon™ (Gloves, Suits, Boots) Viton = Viton™ (Gloves, Suits) Saranex = Saranex™ coated suits PE/EVAL = 4H™ and Silver Shield™ brand gloves Barricade = Barricade™ coated suits CPF3 = CPF3™ suits Responder = Responder™ suits Trellchem = Trellchem HPS™ suits Tychem = Tychem 10000™ suits

8 hr = More than 8 hours of resistance to breakthrough >0.1  microng/cm2/min. 4 hr = At least 4 but less than 8 hours of resistance to breakthrough >0.1  microng/cm2/min.

*Neoprene is a tradename and Teflon, Barricade and Tychem 10000 are trademarks of the DuPont Company. Viton is a registered trademark of DuPont Dow Elastomers. Saranex is a tradename of the Dow Chemical Company. 4H is a trademark of the Safety 4 Company. Silver Shield is a trademark of the Siebe North Company. CPF3 and Responder are trademarks of the Kappler Company. Trellchem HPS is a trademark of the Trelleborg Company. Recommendations are NOT valid for very thin Natural Rubber, Neoprene, Nitrile, and PVC gloves (0.3 mm or less).

Q

TABLE Q

ChemicalCAS No.Recommendation for skin protectionRecommended protective clothing barriers*
Quinone106-51-4Prevent skin contact8 hr: Saranex
Recommendations for skin protection
Prevent skin contact....Wear appropriate personal protective clothing to prevent skin contact. Suggested barriers for use should be confirmed with the vendor and for additional information and use limitations.
Frostbite....................Wear appropriate personal protective clothing to prevent the skin from becoming frozen from contact with the evaporating liquid or from contact with vessels containing the liquid.
N.R...........................No specific recommendation can be made. Actual working conditions will determine the need and type of personal protective equipment.
†Bold type indicates a change from or an addition to what is published in the NIOSH Pocket Guide to Chemical Hazards, June 1997 Edition. Recommended protective clothing barriers*

Butyl = Butyl Rubber (Gloves, Suits, Boots) Natural = Natural Rubber (Gloves) Neoprene = Neoprene Rubber (Gloves, Suits, Boots) Nitrile = Nitrile Rubber (Gloves, Suits, Boots) PE = Polyethylene (Gloves, Suits, Boots) PVA = Polyvinyl Alcohol (Gloves) PVC = Polyvinyl Chloride (Gloves, Suits, Boots) Teflon = Teflon™ (Gloves, Suits, Boots) Viton = Viton™ (Gloves, Suits) Saranex = Saranex™ coated suits PE/EVAL = 4H™ and Silver Shield™ brand gloves Barricade = Barricade™ coated suits CPF3 = CPF3™ suits Responder = Responder™ suits Trellchem = Trellchem HPS™ suits Tychem = Tychem 10000™ suits

8 hr = More than 8 hours of resistance to breakthrough >0.1  microng/cm2/min. 4 hr = At least 4 but less than 8 hours of resistance to breakthrough >0.1  microng/cm2/min.

*Neoprene is a tradename and Teflon, Barricade and Tychem 10000 are trademarks of the DuPont Company. Viton is a registered trademark of DuPont Dow Elastomers. Saranex is a tradename of the Dow Chemical Company. 4H is a trademark of the Safety 4 Company. Silver Shield is a trademark of the Siebe North Company. CPF3 and Responder are trademarks of the Kappler Company. Trellchem HPS is a trademark of the Trelleborg Company. Recommendations are NOT valid for very thin Natural Rubber, Neoprene, Nitrile, and PVC gloves (0.3 mm or less).

R

TABLE R

ChemicalCAS No.Recommendation for skin protectionRecommended protective clothing barriers*
Resorcinol108-46-3Prevent skin contactContact the manufacturer for recommendations
Rhodium (metal fume and insoluble compounds, as Rh)7440-16-6 (metal)N.R.Determine based on working conditions
Rhodium (soluble compounds, as Rh) Prevent skin contactContact the manufacturer for recommendations for specific compound
Ronnel299-84-3Prevent skin contactContact the manufacturer for recommendations
Rosin core solder, pyrolysis products (as formaldehyde) N.R.Determine based on working conditions
Rotenone83-79-4Prevent skin contactContact the manufacturer for recommendations
Rouge1309-37-1N.R.Determine based on working conditions
Recommendations for skin protection
Prevent skin contact....Wear appropriate personal protective clothing to prevent skin contact. Suggested barriers for use should be confirmed with the vendor and for additional information and use limitations.
Frostbite....................Wear appropriate personal protective clothing to prevent the skin from becoming frozen from contact with the evaporating liquid or from contact with vessels containing the liquid.
N.R...........................No specific recommendation can be made. Actual working conditions will determine the need and type of personal protective equipment.
†Bold type indicates a change from or an addition to what is published in the NIOSH Pocket Guide to Chemical Hazards, June 1997 Edition. Recommended protective clothing barriers*

Butyl = Butyl Rubber (Gloves, Suits, Boots) Natural = Natural Rubber (Gloves) Neoprene = Neoprene Rubber (Gloves, Suits, Boots) Nitrile = Nitrile Rubber (Gloves, Suits, Boots) PE = Polyethylene (Gloves, Suits, Boots) PVA = Polyvinyl Alcohol (Gloves) PVC = Polyvinyl Chloride (Gloves, Suits, Boots) Teflon = Teflon™ (Gloves, Suits, Boots) Viton = Viton™ (Gloves, Suits) Saranex = Saranex™ coated suits PE/EVAL = 4H™ and Silver Shield™ brand gloves Barricade = Barricade™ coated suits CPF3 = CPF3™ suits Responder = Responder™ suits Trellchem = Trellchem HPS™ suits Tychem = Tychem 10000™ suits

8 hr = More than 8 hours of resistance to breakthrough >0.1  microng/cm2/min. 4 hr = At least 4 but less than 8 hours of resistance to breakthrough >0.1  microng/cm2/min.

*Neoprene is a tradename and Teflon, Barricade and Tychem 10000 are trademarks of the DuPont Company. Viton is a registered trademark of DuPont Dow Elastomers. Saranex is a tradename of the Dow Chemical Company. 4H is a trademark of the Safety 4 Company. Silver Shield is a trademark of the Siebe North Company. CPF3 and Responder are trademarks of the Kappler Company. Trellchem HPS is a trademark of the Trelleborg Company. Recommendations are NOT valid for very thin Natural Rubber, Neoprene, Nitrile, and PVC gloves (0.3 mm or less).

S

TABLE S

ChemicalCAS No.Recommendation for skin protectionRecommended protective clothing barriers*
Selenium7782-49-2Prevent skin contactContact the manufacturer for recommendations
Selenium hexafluoride7783-79-1N.R.Determine based on working conditions
Silica, amorphous7631-86-9N.R.Determine based on working conditions
Silica, crystalline (as respirable dust)14808-60-7N.R.Determine based on working conditions
Silicon7440-21-3N.R.Determine based on working conditions
Silicon carbide409-21-2N.R.Determine based on working conditions
Silicon tetrahydride7803-62-5N.R.Determine based on working conditions
Silver (metal dust and soluble compounds, as Ag)7440-22-4 (metal)Prevent skin contactContact the manufacturer for recommendations for specific compound
Soapstone (containing less than 1% quartz) N.R.Determine based on working conditions
Sodium aluminum fluoride (as F)15096-52-3Prevent skin contactContact the manufacturer for recommendations
Sodium azide26628-22-8Prevent skin contactContact the manufacturer for recommendations
Sodium bisulfite7631-90-5N.R.Determine based on working conditions
Sodium cyanide (as CN)143-33-9Prevent skin contact(solution >70% only) 8 hr: Saranex, Barricade
Sodium fluoride (as F)7681-49-4Prevent skin contact8 hr: Natural, Neoprene, Nitrile, PVC, Saranex
Sodium fluoroacetate62-74-8Prevent skin contactContact the manufacturer for recommendations
Sodium hydroxide1310-73-2Prevent skin contact(solution >70% only) 8 hr: Neoprene, PVC, Barricade
Sodium metabisulfite7681-57-4N.R.Determine based on working conditions
Starch9005-25-8Prevent skin contactAny barrier that will prevent skin contact
Stibine7803-52-3N.R.Determine based on working conditions
Stoddard solvent8052-41-3Prevent skin contact8 hr: Nitrile, Viton, Saranex, PE/EVAL, Barricade, Responder 4 hr: PVA
Strychnine57-24-9Prevent skin contactContact the manufacturer for recommendations
Styrene100-42-5Prevent skin contact8 hr: Viton, PE/EVAL, Barricade, CPF3, Trellchem 4 hr: PVA, Teflon, Responder
Subtilisins1395-21-7 (BPN) 9014-01-1 (Carlsburg)Prevent skin contactContact the manufacturer for recommendations
Succinonitrile110-61-2Prevent skin contactContact the manufacturer for recommendations
Sucrose57-50-1N.R.Determine based on working conditions
Sulfur dioxide7446-09-5Prevent skin contact/ Frostbite8 hr: Saranex, Barricade, Responder 4 hr: Teflon Prevent possible skin freezing from direct liquid contact
Sulfur hexafluoride2551-62-4FrostbitePrevent possible skin freezing from direct liquid contact
Sulfuric acid7664-93-9Prevent skin contact(solution >70% only) 8 hr: Butyl, PE, Teflon, Saranex, PE/EVAL, Barricade, CPF3, Responder, Trellchem, Tychem 4 hr: Viton
Sulfur monochloride10025-67-9Prevent skin contactContact the manufacturer for recommendations
Sulfur pentafluoride5714-22-7Prevent skin contactContact the manufacturer for recommendations
Sulfur tetrafluoride7783-60-0FrostbitePrevent possible skin freezing from direct liquid contact
Sulfuryl fluoride2699-79-8FrostbitePrevent possible skin freezing from direct liquid contact
Sulprofos35400-43-2Prevent skin contactContact the manufacturer for recommendations
Recommendations for skin protection
Prevent skin contact....Wear appropriate personal protective clothing to prevent skin contact. Suggested barriers for use should be confirmed with the vendor and for additional information and use limitations.
Frostbite....................Wear appropriate personal protective clothing to prevent the skin from becoming frozen from contact with the evaporating liquid or from contact with vessels containing the liquid.
N.R...........................No specific recommendation can be made. Actual working conditions will determine the need and type of personal protective equipment.
†Bold type indicates a change from or an addition to what is published in the NIOSH Pocket Guide to Chemical Hazards, June 1997 Edition. Recommended protective clothing barriers*

Butyl = Butyl Rubber (Gloves, Suits, Boots) Natural = Natural Rubber (Gloves) Neoprene = Neoprene Rubber (Gloves, Suits, Boots) Nitrile = Nitrile Rubber (Gloves, Suits, Boots) PE = Polyethylene (Gloves, Suits, Boots) PVA = Polyvinyl Alcohol (Gloves) PVC = Polyvinyl Chloride (Gloves, Suits, Boots) Teflon = Teflon™ (Gloves, Suits, Boots) Viton = Viton™ (Gloves, Suits) Saranex = Saranex™ coated suits PE/EVAL = 4H™ and Silver Shield™ brand gloves Barricade = Barricade™ coated suits CPF3 = CPF3™ suits Responder = Responder™ suits Trellchem = Trellchem HPS™ suits Tychem = Tychem 10000™ suits

8 hr = More than 8 hours of resistance to breakthrough >0.1  microng/cm2/min. 4 hr = At least 4 but less than 8 hours of resistance to breakthrough >0.1  microng/cm2/min.

*Neoprene is a tradename and Teflon, Barricade and Tychem 10000 are trademarks of the DuPont Company. Viton is a registered trademark of DuPont Dow Elastomers. Saranex is a tradename of the Dow Chemical Company. 4H is a trademark of the Safety 4 Company. Silver Shield is a trademark of the Siebe North Company. CPF3 and Responder are trademarks of the Kappler Company. Trellchem HPS is a trademark of the Trelleborg Company. Recommendations are NOT valid for very thin Natural Rubber, Neoprene, Nitrile, and PVC gloves (0.3 mm or less).

T

TABLE T

ChemicalCAS No.Recommendation for skin protectionRecommended protective clothing barriers*
2,4,5-T93-76-5N.R.Determine based on working conditions
Talc (containing no asbestos and less than 1% quartz)14807-96-6N.R.Determine based on working conditions
Tantalum (metal and oxide dust, as Ta)7440-25-7 (metal)N.R.Determine based on working conditions
TEDP89-24-5Prevent skin contactContact the manufacturer for recommendations
Tellurium13494-80-9N.R.Determine based on working conditions
Tellurium hexafluoride7783-80-4N.R.Determine based on working conditions
Temephos3383-96-8Prevent skin contactContact the manufacturer for recommendations
TEPP107-49-3Prevent skin contactContact the manufacturer for recommendations
o-Terphenyl84-15-1Prevent skin contactContact the manufacturer for recommendations
m-Terphenyl92-06-8Prevent skin contactContact the manufacturer for recommendations
p-Terphenyl92-94-4Prevent skin contactContact the manufacturer for recommendations
2,3,7,8-Tetrachlorodibenzo- p-dioxin1746-01-6Prevent skin contactContact the manufacturer for recommendations
1,1,1,2-Tetrachloro-2,2- difluoroethane76-11-9Prevent skin contactContact the manufacturer for recommendations
1,1,2,2-Tetrachloro-1,2- difluoroethane76-12-0Prevent skin contactContact the manufacturer for recommendations
1,1,1,2-Tetrachloroethane630-20-6Prevent skin contact8 hr: PVA, Viton
1,1,2,2-Tetrachloroethane79-34-5Prevent skin contact8 hr: PVA, Teflon, Viton, Barricade, Tychem
Tetrachloroethylene127-18-4Prevent skin contact8 hr: PVA, Teflon, Viton, PE/EVAL, Barricade, CPF3, Responder, Trellchem, Tychem
Tetrachloronaphthalene1335-88-2Prevent skin contactContact the manufacturer for recommendations
Tetraethyl lead (as Pb)78-00-2Prevent skin contact (>0.1%)8 hr: CPF3, Tychem
Tetrahydrofuran109-99-9Prevent skin contact8 hr: Teflon, PE/EVAL, Barricade, CPF3, Responder, Trellchem, Tychem
Tetramethyl lead (as Pb)75-74-1Prevent skin contact (>0.1%)Contact the manufacturer for recommendations
Tetramethyl succinonitrile3333-52-6Prevent skin contactContact the manufacturer for recommendations
Tetranitromethane509-14-8Prevent skin contactContact the manufacturer for recommendations
Tetrasodium pyrophosphate7722-88-5Prevent skin contactContact the manufacturer for recommendations
Tetryl479-45-8Prevent skin contactContact the manufacturer for recommendations
Thallium (soluble compounds, as Tl) Prevent skin contactContact the manufacturer for recommendations for the specific compound
4,4'-Thiobis(6-tert- butyl-m-cresol)96-69-5N.R.Determine based on working conditions
Thioglycolic acid68-11-1Prevent skin contact8 hr: Butyl, Neoprene, Viton 4 hr: PE/EVAL
Thionyl chloride7719-09-7Prevent skin contactContact the manufacturer for recommendations
Thiram137-26-8Prevent skin contactContact the manufacturer for recommendations
Tin7440-31-5N.R.Determine based on working conditions
Tin (organic compounds, as Sn) Recommendations regarding personal protective clothing vary depending upon the specific compound.Contact the manufacturer for recommendations for the specific compound
Tin(II) oxide (as Sn)21651-19-4N.R.Determine based on working conditions
Tin(IV) oxide (as Sn)18282-10-5N.R.Determine based on working conditions
Titanium dioxide13463-67-7N.R.Determine based on working conditions
o-Tolidine119-93-7Prevent skin contactContact the manufacturer for recommendations
Toluene108-88-3Prevent skin contact8 hr: PVA, Teflon, Viton, PE/EVAL, Barricade, CPF3, Responder, Trellchem, Tychem
Toluenediamine25376-45-8 95-80-7 (2,4-TDA)Prevent skin contactContact the manufacturer for recommendations
Toluene-2,4-diisocyanate584-84-9Prevent skin contact8 hr: Butyl, Nitrile, PVA, PVC, Viton, Saranex, PE/EVAL, Barricade, CPF3, Responder 4 hr: Teflon
o-Toluidine95-53-4Prevent skin contact8 hr: Barricade, Tychem 4 hr: Teflon, Saranex
m-Toluidine108-44-1Prevent skin contact8 hr: Saranex
p-Toluidine106-49-0Prevent skin contactContact the manufacturer for recommendations
Tributyl phosphate126-73-8Prevent skin contact4 hr: PE/EVAL
Trichloroacetic acid76-03-9Prevent skin contact8 hr: Trellchem 4 hr: Nitrile
1,2,4-Trichlorobenzene120-82-1Prevent skin contact8 hr: Teflon, Barricade 4 hr: Viton
1,1,2-Trichloroethane79-00-5Prevent skin contact8 hr: Teflon, Viton, Tychem 4 hr: PVA
Trichloroethylene79-01-6Prevent skin contact8 hr: PVA, Viton, PE/EVAL, Barricade, Trellchem, Tychem 4 hr: Teflon, Responder
Trichloronaphthalene1321-65-9Prevent skin contactContact the manufacturer for recommendations
1,2,3-Trichloropropane96-18-4Prevent skin contact8 hr: Butyl, PVA, Viton
1,1,2-Trichloro-1,2,2- trifluoroethane76-13-1Prevent skin contact8 hr: Nitrile, Teflon, Barricade, CPF3, Responder 4 hr: PVA, Viton, PE/EVAL
Triethylamine121-44-8Prevent skin contact8 hr: Nitrile, Viton, Saranex, Responder, Trellchem, Tychem
Trifluorobromomethane75-63-8FrostbitePrevent possible skin freezing from direct liquid contact
Trimellitic anhydride552-30-7Prevent skin contactContact the manufacturer for recommendations
Trimethylamine75-50-3Prevent skin contact (liquid)/ Frostbite4 hr: Teflon Prevent possible skin freezing from direct liquid contact
1,2,3-Trimethylbenzene526-73-8Prevent skin contactContact the manufacturer for recommendations
1,2,4-Trimethylbenzene95-63-6Prevent skin contact8 hr: PVA, Viton, PE/EVAL, Barricade, CPF3, Tychem 4 hr: Teflon, Responder
1,3,5-Trimethylbenzene108-67-8Prevent skin contactContact the manufacturer for recommendations
Trimethyl phosphite121-45-9Prevent skin contactContact the manufacturer for recommendations
2,4,6-Trinitrotoluene118-96-7Prevent skin contactContact the manufacturer for recommendations
Triorthocresyl phosphate78-30-8Prevent skin contactContact the manufacturer for recommendations
Triphenylamine603-34-9Prevent skin contactContact the manufacturer for recommendations
Triphenyl phosphate115-86-6N.R.Determine based on working conditions
Tungsten7440-33-7N.R.Determine based on working conditions
Tungsten (soluble compounds, as W) Recommendations regarding personal protective clothing vary depending upon the specific compound.Contact the manufacturer for recommendations for the specific compound
Tungsten carbide (cemented)1: 11107-01-0 2: 12718-69-3 3: 37329-49-0Prevent skin contactContact the manufacturer for recommendations
Turpentine8006-64-2Prevent skin contact8 hr: Viton, PE/EVAL, Responder 4 hr: Nitrile, PVA, Teflon
Recommendations for skin protection
Prevent skin contact....Wear appropriate personal protective clothing to prevent skin contact. Suggested barriers for use should be confirmed with the vendor and for additional information and use limitations.
Frostbite....................Wear appropriate personal protective clothing to prevent the skin from becoming frozen from contact with the evaporating liquid or from contact with vessels containing the liquid.
N.R...........................No specific recommendation can be made. Actual working conditions will determine the need and type of personal protective equipment.
†Bold type indicates a change from or an addition to what is published in the NIOSH Pocket Guide to Chemical Hazards, June 1997 Edition. Recommended protective clothing barriers*

Butyl = Butyl Rubber (Gloves, Suits, Boots) Natural = Natural Rubber (Gloves) Neoprene = Neoprene Rubber (Gloves, Suits, Boots) Nitrile = Nitrile Rubber (Gloves, Suits, Boots) PE = Polyethylene (Gloves, Suits, Boots) PVA = Polyvinyl Alcohol (Gloves) PVC = Polyvinyl Chloride (Gloves, Suits, Boots) Teflon = Teflon™ (Gloves, Suits, Boots) Viton = Viton™ (Gloves, Suits) Saranex = Saranex™ coated suits PE/EVAL = 4H™ and Silver Shield™ brand gloves Barricade = Barricade™ coated suits CPF3 = CPF3™ suits Responder = Responder™ suits Trellchem = Trellchem HPS™ suits Tychem = Tychem 10000™ suits

8 hr = More than 8 hours of resistance to breakthrough >0.1  microng/cm2/min. 4 hr = At least 4 but less than 8 hours of resistance to breakthrough >0.1  microng/cm2/min.

*Neoprene is a tradename and Teflon, Barricade and Tychem 10000 are trademarks of the DuPont Company. Viton is a registered trademark of DuPont Dow Elastomers. Saranex is a tradename of the Dow Chemical Company. 4H is a trademark of the Safety 4 Company. Silver Shield is a trademark of the Siebe North Company. CPF3 and Responder are trademarks of the Kappler Company. Trellchem HPS is a trademark of the Trelleborg Company. Recommendations are NOT valid for very thin Natural Rubber, Neoprene, Nitrile, and PVC gloves (0.3 mm or less).

U

TABLE U

ChemicalCAS No.Recommendation for skin protectionRecommended protective clothing barriers*
1-Undecanethiol5332-52-5Prevent skin contactContact the manufacturer for recommendations
Uranium (insoluble compounds, as U)7440-61-1 (metal)Prevent skin contactContact the manufacturer for recommendations
Uranium (soluble compounds, as U) Prevent skin contactContact the manufacturer for recommendations for specific compound
Recommendations for skin protection
Prevent skin contact....Wear appropriate personal protective clothing to prevent skin contact. Suggested barriers for use should be confirmed with the vendor and for additional information and use limitations.
Frostbite....................Wear appropriate personal protective clothing to prevent the skin from becoming frozen from contact with the evaporating liquid or from contact with vessels containing the liquid.
N.R...........................No specific recommendation can be made. Actual working conditions will determine the need and type of personal protective equipment.
†Bold type indicates a change from or an addition to what is published in the NIOSH Pocket Guide to Chemical Hazards, June 1997 Edition. Recommended protective clothing barriers*

Butyl = Butyl Rubber (Gloves, Suits, Boots) Natural = Natural Rubber (Gloves) Neoprene = Neoprene Rubber (Gloves, Suits, Boots) Nitrile = Nitrile Rubber (Gloves, Suits, Boots) PE = Polyethylene (Gloves, Suits, Boots) PVA = Polyvinyl Alcohol (Gloves) PVC = Polyvinyl Chloride (Gloves, Suits, Boots) Teflon = Teflon™ (Gloves, Suits, Boots) Viton = Viton™ (Gloves, Suits) Saranex = Saranex™ coated suits PE/EVAL = 4H™ and Silver Shield™ brand gloves Barricade = Barricade™ coated suits CPF3 = CPF3™ suits Responder = Responder™ suits Trellchem = Trellchem HPS™ suits Tychem = Tychem 10000™ suits

8 hr = More than 8 hours of resistance to breakthrough >0.1  microng/cm2/min. 4 hr = At least 4 but less than 8 hours of resistance to breakthrough >0.1  microng/cm2/min.

*Neoprene is a tradename and Teflon, Barricade and Tychem 10000 are trademarks of the DuPont Company. Viton is a registered trademark of DuPont Dow Elastomers. Saranex is a tradename of the Dow Chemical Company. 4H is a trademark of the Safety 4 Company. Silver Shield is a trademark of the Siebe North Company. CPF3 and Responder are trademarks of the Kappler Company. Trellchem HPS is a trademark of the Trelleborg Company. Recommendations are NOT valid for very thin Natural Rubber, Neoprene, Nitrile, and PVC gloves (0.3 mm or less).

V

TABLE V

ChemicalCAS No.Recommendation for skin protectionRecommended protective clothing barriers*
n-Valeraldehyde110-62-3Prevent skin contactContact the manufacturer for recommendations
Vanadium dust1314-62-1Prevent skin contactAny barrier that will prevent contamination from the dust
Vanadium fume1314-62-1N.R.Determine based on working conditions
Vegetable oil mist68956-68-3N.R.Determine based on working conditions
Vinyl acetate108-05-4Prevent skin contact8 hr: Teflon, PE/EVAL, Barricade 4 hr: Responder
Vinyl bromide593-60-2Prevent skin contact (liquid)Contact the manufacturer for recommendations
Vinyl chloride75-01-4Prevent skin contact/ Frostbite8 hr: Tychem 4 hr: PVA, Teflon Prevent possible skin freezing from direct liquid contact
Vinyl cyclohexene dioxide106-87-6Prevent skin contactContact the manufacturer for recommendations
Vinyl fluoride75-02-5FrostbitePrevent possible skin freezing from direct liquid contact
Vinylidene chloride75-35-4Prevent skin contact/ FrostbiteContact the manufacturer for recommendations Prevent possible skin freezing from direct liquid contact
Vinylidene fluoride75-38-7Prevent skin contact/ Frostbite8 hr: Butyl, Teflon, Viton Prevent possible skin freezing from direct liquid contact
Vinyl toluene25013-15-4 (inhibited)Prevent skin contactContact the manufacturer for recommendations
VM & P Naphtha8032-32-4Prevent skin contactContact the manufacturer for recommendations
Recommendations for skin protection
Prevent skin contact....Wear appropriate personal protective clothing to prevent skin contact. Suggested barriers for use should be confirmed with the vendor and for additional information and use limitations.
Frostbite....................Wear appropriate personal protective clothing to prevent the skin from becoming frozen from contact with the evaporating liquid or from contact with vessels containing the liquid.
N.R...........................No specific recommendation can be made. Actual working conditions will determine the need and type of personal protective equipment.
†Bold type indicates a change from or an addition to what is published in the NIOSH Pocket Guide to Chemical Hazards, June 1997 Edition. Recommended protective clothing barriers*

Butyl = Butyl Rubber (Gloves, Suits, Boots) Natural = Natural Rubber (Gloves) Neoprene = Neoprene Rubber (Gloves, Suits, Boots) Nitrile = Nitrile Rubber (Gloves, Suits, Boots) PE = Polyethylene (Gloves, Suits, Boots) PVA = Polyvinyl Alcohol (Gloves) PVC = Polyvinyl Chloride (Gloves, Suits, Boots) Teflon = Teflon™ (Gloves, Suits, Boots) Viton = Viton™ (Gloves, Suits) Saranex = Saranex™ coated suits PE/EVAL = 4H™ and Silver Shield™ brand gloves Barricade = Barricade™ coated suits CPF3 = CPF3™ suits Responder = Responder™ suits Trellchem = Trellchem HPS™ suits Tychem = Tychem 10000™ suits

8 hr = More than 8 hours of resistance to breakthrough >0.1  microng/cm2/min. 4 hr = At least 4 but less than 8 hours of resistance to breakthrough >0.1  microng/cm2/min.

*Neoprene is a tradename and Teflon, Barricade and Tychem 10000 are trademarks of the DuPont Company. Viton is a registered trademark of DuPont Dow Elastomers. Saranex is a tradename of the Dow Chemical Company. 4H is a trademark of the Safety 4 Company. Silver Shield is a trademark of the Siebe North Company. CPF3 and Responder are trademarks of the Kappler Company. Trellchem HPS is a trademark of the Trelleborg Company. Recommendations are NOT valid for very thin Natural Rubber, Neoprene, Nitrile, and PVC gloves (0.3 mm or less).

W

TABLE W

ChemicalCAS No.Recommendation for skin protectionRecommended protective clothing barriers*
Warfarin81-81-2Prevent skin contactContact the manufacturer for recommendations
Welding fumes N.R.Determine based on working conditions
Wood dust N.R.Determine based on working conditions
Recommendations for skin protection
Prevent skin contact....Wear appropriate personal protective clothing to prevent skin contact. Suggested barriers for use should be confirmed with the vendor and for additional information and use limitations.
Frostbite....................Wear appropriate personal protective clothing to prevent the skin from becoming frozen from contact with the evaporating liquid or from contact with vessels containing the liquid.
N.R...........................No specific recommendation can be made. Actual working conditions will determine the need and type of personal protective equipment.
†Bold type indicates a change from or an addition to what is published in the NIOSH Pocket Guide to Chemical Hazards, June 1997 Edition. Recommended protective clothing barriers*

Butyl = Butyl Rubber (Gloves, Suits, Boots) Natural = Natural Rubber (Gloves) Neoprene = Neoprene Rubber (Gloves, Suits, Boots) Nitrile = Nitrile Rubber (Gloves, Suits, Boots) PE = Polyethylene (Gloves, Suits, Boots) PVA = Polyvinyl Alcohol (Gloves) PVC = Polyvinyl Chloride (Gloves, Suits, Boots) Teflon = Teflon™ (Gloves, Suits, Boots) Viton = Viton™ (Gloves, Suits) Saranex = Saranex™ coated suits PE/EVAL = 4H™ and Silver Shield™ brand gloves Barricade = Barricade™ coated suits CPF3 = CPF3™ suits Responder = Responder™ suits Trellchem = Trellchem HPS™ suits Tychem = Tychem 10000™ suits

8 hr = More than 8 hours of resistance to breakthrough >0.1  microng/cm2/min. 4 hr = At least 4 but less than 8 hours of resistance to breakthrough >0.1  microng/cm2/min.

*Neoprene is a tradename and Teflon, Barricade and Tychem 10000 are trademarks of the DuPont Company. Viton is a registered trademark of DuPont Dow Elastomers. Saranex is a tradename of the Dow Chemical Company. 4H is a trademark of the Safety 4 Company. Silver Shield is a trademark of the Siebe North Company. CPF3 and Responder are trademarks of the Kappler Company. Trellchem HPS is a trademark of the Trelleborg Company. Recommendations are NOT valid for very thin Natural Rubber, Neoprene, Nitrile, and PVC gloves (0.3 mm or less).

X

TABLE X

ChemicalCAS No.Recommendation for skin protectionRecommended protective clothing barriers*
o-Xylene95-47-6Prevent skin contactContact the manufacturer for recommendations
m-Xylene108-38-3Prevent skin contactContact the manufacturer for recommendations
p-Xylene106-42-3Prevent skin contactContact the manufacturer for recommendations
m-Xylene alpha,alpha'-diamine1477-55-0Prevent skin contactContact the manufacturer for recommendations
Xylidine1300-73-8Prevent skin contactContact the manufacturer for recommendations
Recommendations for skin protection
Prevent skin contact....Wear appropriate personal protective clothing to prevent skin contact. Suggested barriers for use should be confirmed with the vendor and for additional information and use limitations.
Frostbite....................Wear appropriate personal protective clothing to prevent the skin from becoming frozen from contact with the evaporating liquid or from contact with vessels containing the liquid.
N.R...........................No specific recommendation can be made. Actual working conditions will determine the need and type of personal protective equipment.
†Bold type indicates a change from or an addition to what is published in the NIOSH Pocket Guide to Chemical Hazards, June 1997 Edition. Recommended protective clothing barriers*

Butyl = Butyl Rubber (Gloves, Suits, Boots) Natural = Natural Rubber (Gloves) Neoprene = Neoprene Rubber (Gloves, Suits, Boots) Nitrile = Nitrile Rubber (Gloves, Suits, Boots) PE = Polyethylene (Gloves, Suits, Boots) PVA = Polyvinyl Alcohol (Gloves) PVC = Polyvinyl Chloride (Gloves, Suits, Boots) Teflon = Teflon™ (Gloves, Suits, Boots) Viton = Viton™ (Gloves, Suits) Saranex = Saranex™ coated suits PE/EVAL = 4H™ and Silver Shield™ brand gloves Barricade = Barricade™ coated suits CPF3 = CPF3™ suits Responder = Responder™ suits Trellchem = Trellchem HPS™ suits Tychem = Tychem 10000™ suits

8 hr = More than 8 hours of resistance to breakthrough >0.1  microng/cm2/min. 4 hr = At least 4 but less than 8 hours of resistance to breakthrough >0.1  microng/cm2/min.

*Neoprene is a tradename and Teflon, Barricade and Tychem 10000 are trademarks of the DuPont Company. Viton is a registered trademark of DuPont Dow Elastomers. Saranex is a tradename of the Dow Chemical Company. 4H is a trademark of the Safety 4 Company. Silver Shield is a trademark of the Siebe North Company. CPF3 and Responder are trademarks of the Kappler Company. Trellchem HPS is a trademark of the Trelleborg Company. Recommendations are NOT valid for very thin Natural Rubber, Neoprene, Nitrile, and PVC gloves (0.3 mm or less).

Y

TABLE Y

ChemicalCAS No.Recommendation for skin protectionRecommended protective clothing barriers*
Yttrium7440-65-5N.R.Determine based on working conditions
Recommendations for skin protection
Prevent skin contact....Wear appropriate personal protective clothing to prevent skin contact. Suggested barriers for use should be confirmed with the vendor and for additional information and use limitations.
Frostbite....................Wear appropriate personal protective clothing to prevent the skin from becoming frozen from contact with the evaporating liquid or from contact with vessels containing the liquid.
N.R...........................No specific recommendation can be made. Actual working conditions will determine the need and type of personal protective equipment.
†Bold type indicates a change from or an addition to what is published in the NIOSH Pocket Guide to Chemical Hazards, June 1997 Edition. Recommended protective clothing barriers*

Butyl = Butyl Rubber (Gloves, Suits, Boots) Natural = Natural Rubber (Gloves) Neoprene = Neoprene Rubber (Gloves, Suits, Boots) Nitrile = Nitrile Rubber (Gloves, Suits, Boots) PE = Polyethylene (Gloves, Suits, Boots) PVA = Polyvinyl Alcohol (Gloves) PVC = Polyvinyl Chloride (Gloves, Suits, Boots) Teflon = Teflon™ (Gloves, Suits, Boots) Viton = Viton™ (Gloves, Suits) Saranex = Saranex™ coated suits PE/EVAL = 4H™ and Silver Shield™ brand gloves Barricade = Barricade™ coated suits CPF3 = CPF3™ suits Responder = Responder™ suits Trellchem = Trellchem HPS™ suits Tychem = Tychem 10000™ suits

8 hr = More than 8 hours of resistance to breakthrough >0.1  microng/cm2/min. 4 hr = At least 4 but less than 8 hours of resistance to breakthrough >0.1  microng/cm2/min.

*Neoprene is a tradename and Teflon, Barricade and Tychem 10000 are trademarks of the DuPont Company. Viton is a registered trademark of DuPont Dow Elastomers. Saranex is a tradename of the Dow Chemical Company. 4H is a trademark of the Safety 4 Company. Silver Shield is a trademark of the Siebe North Company. CPF3 and Responder are trademarks of the Kappler Company. Trellchem HPS is a trademark of the Trelleborg Company. Recommendations are NOT valid for very thin Natural Rubber, Neoprene, Nitrile, and PVC gloves (0.3 mm or less).

Z

TABLE Z

ChemicalCAS No.Recommendation for skin protectionRecommended protective clothing barriers*
Zinc chloride fume7646-85-7N.R.Determine based on working conditions
Zinc oxide1314-13-2N.R.Determine based on working conditions
Zinc stearate557-05-1N.R.Determine based on working conditions
Zirconium compounds (as Zr)7440-67-7 (Metal)Recommendations regarding personal protective clothing vary depending upon the specific compound.Contact the manufacturer for recommendations for the specific compound
Recommendations for skin protection
Prevent skin contact....Wear appropriate personal protective clothing to prevent skin contact. Suggested barriers for use should be confirmed with the vendor and for additional information and use limitations.
Frostbite....................Wear appropriate personal protective clothing to prevent the skin from becoming frozen from contact with the evaporating liquid or from contact with vessels containing the liquid.
N.R...........................No specific recommendation can be made. Actual working conditions will determine the need and type of personal protective equipment.
†Bold type indicates a change from or an addition to what is published in the NIOSH Pocket Guide to Chemical Hazards, June 1997 Edition. Recommended protective clothing barriers*

Butyl = Butyl Rubber (Gloves, Suits, Boots) Natural = Natural Rubber (Gloves) Neoprene = Neoprene Rubber (Gloves, Suits, Boots) Nitrile = Nitrile Rubber (Gloves, Suits, Boots) PE = Polyethylene (Gloves, Suits, Boots) PVA = Polyvinyl Alcohol (Gloves) PVC = Polyvinyl Chloride (Gloves, Suits, Boots) Teflon = Teflon™ (Gloves, Suits, Boots) Viton = Viton™ (Gloves, Suits) Saranex = Saranex™ coated suits PE/EVAL = 4H™ and Silver Shield™ brand gloves Barricade = Barricade™ coated suits CPF3 = CPF3™ suits Responder = Responder™ suits Trellchem = Trellchem HPS™ suits Tychem = Tychem 10000™ suits

8 hr = More than 8 hours of resistance to breakthrough >0.1  microng/cm2/min. 4 hr = At least 4 but less than 8 hours of resistance to breakthrough >0.1  microng/cm2/min.

*Neoprene is a tradename and Teflon, Barricade and Tychem 10000 are trademarks of the DuPont Company. Viton is a registered trademark of DuPont Dow Elastomers. Saranex is a tradename of the Dow Chemical Company. 4H is a trademark of the Safety 4 Company. Silver Shield is a trademark of the Siebe North Company. CPF3 and Responder are trademarks of the Kappler Company. Trellchem HPS is a trademark of the Trelleborg Company. Recommendations are NOT valid for very thin Natural Rubber, Neoprene, Nitrile, and PVC gloves (0.3 mm or less).

 
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