Occupational Health Guidelines for Chemical Hazards

January 1981
DHHS (NIOSH) Publication Number 81-123

Occupational Health Guidelines for Chemical Hazards summarizes information on permissible exposure limits, chemical and physical properties, and health hazards. It provides recommendations for medical surveillance, respiratory protection, and personal protection and sanitation practices for specific chemicals that have Federal occupational safety and health regulations. These recommendations reflect good industrial hygiene and medical surveillance practices, and their implementation will assist development and maintenance of an effective occupational health program.

Guidelines for Chemical Hazards

Guidelines for Chemical Hazards
Substance CAS # Original Guideline Revised Guideline
Acetaldehyde 75-07-0 0001.pdf pdf icon 0001-rev.pdf pdf icon
Acetic acid 64-19-7 0002.pdf pdf icon 0002-rev.pdf pdf icon
Acetic anhydride 108-24-7 0003.pdf pdf icon 0003-rev.pdf pdf icon
Acetone 67-64-1 0004.pdf pdf icon No Revision
Acetonitrile 75-05-8 0006.pdf pdf icon 0006-rev.pdf pdf icon
2-Acetylaminofluorene 53-96-3 0007.pdf pdf icon No Revision
Acetylene tetrabromide 79-27-6 0009.pdf pdf icon 0009-rev.pdf pdf icon
Acetylsalicyclic acid 50-78-2 0010.pdf pdf icon No Revision
Acrolein 107-02-8 0011.pdf pdf icon 0011-rev.pdf pdf icon
Acrylamide 79-06-1 0012.pdf pdf icon 0012-rev.pdf pdf icon
Acrylic acid 79-10-7 0013.pdf pdf icon No Revision
Acrylonitrile 107-13-1 0014.pdf pdf icon No Revision
Aldrin 309-00-2 0016.pdf pdf icon No Revision
Allyl alcohol 107-18-6 0017.pdf pdf icon 0017-rev.pdf pdf icon
Allyl chloride 107-05-1 0018.pdf pdf icon 0018-rev.pdf pdf icon
Allyl glycidyl ether 106-92-3 0019.pdf pdf icon No Revision
Allyl propyl disulfide 2179-59-1 0020.pdf pdf icon No Revision
4-Aminodiphenyl 92-67-1 0025.pdf pdf icon No Revision
2-Aminopyridine 504-29-0 0026.pdf pdf icon 0026-rev.pdf pdf icon
Amitrole 61-82-5 0027.pdf pdf icon No Revision
Ammonia 7664-41-7 0028.pdf pdf icon 0028-rev.pdf pdf icon
Ammonium chloride fume 12125-02-9 0029.pdf pdf icon No Revision
Ammonium sulfamate 7773-06-0 0030.pdf pdf icon 0030-rev.pdf pdf icon
n-Amyl acetate 628-63-7 0031.pdf pdf icon 0031-rev.pdf pdf icon
sec-Amyl acetate 626-38-0 0032.pdf pdf icon 0032-rev.pdf pdf icon
Aniline (and homologs) 62-53-3 0033.pdf pdf icon 0033-rev.pdf pdf icon
o-Anisidine or p-Anisidine 90-04-0 0034.pdf pdf icon 0034-rev.pdf pdf icon
Antimony 7440-36-0 0036.pdf pdf icon No Revision
ANTU 86-88-4 0037.pdf pdf icon 0037-rev.pdf pdf icon
Arsenic (inorganic compounds, as As) 7440-38-2 0038.pdf pdf icon No Revision
Arsine 7784-42-1 0040.pdf pdf icon No Revision
Asbestos 1332-21-4 0041.pdf pdf icon No Revision
Atrazine 1912-24-9 0043.pdf pdf icon No Revision
Azinphos-methyl 86-50-0 0044.pdf pdf icon 0044-rev.pdf pdf icon
Barium chloride (as Ba) 10361-37-2 0045.pdf pdf icon No Revision
Barium sulfate 7727-43-7 0047.pdf pdf icon No Revision
Benomyl 17804-35-2 0048.pdf pdf icon No Revision
Benzene 71-43-2 0049.pdf pdf icon No Revision
Benzidine 92-87-5 0051.pdf pdf icon 0051-rev.pdf pdf icon
Benzoyl peroxide 94-36-0 0052.pdf pdf icon 0052-rev.pdf pdf icon
Benzyl chloride 100-44-7 0053.pdf pdf icon No Revision
Beryllium & beryllium compounds (as Be) 7440-41-7 0054.pdf pdf icon No Revision
Bismuth telluride, doped with Selenium sulfide 0055.pdf pdf icon No Revision
Bismuth telluride, undoped 1304-82-1 0056.pdf pdf icon No Revision
Boron oxide 1303-86-2 0060.pdf pdf icon 0060-rev.pdf pdf icon
Boron tribromide 10294-33-4 0061.pdf pdf icon No Revision
Boron trifluoride 7637-07-2 0062.pdf pdf icon 0062-rev.pdf pdf icon
Bromacil 314-40-9 0063.pdf pdf icon No Revision
Bromine 7726-95-6 0064.pdf pdf icon 0064-rev.pdf pdf icon
Bromine pentafluoride 7789-30-2 0065.pdf pdf icon No Revision
Bromoform 75-25-2 0066.pdf pdf icon 0066-rev.pdf pdf icon
1,3-Butadiene 106-99-0 0067.pdf pdf icon 0067-rev.pdf pdf icon
n-Butane 106-97-8 0068.pdf pdf icon No Revision
2-Butanone 78-93-3 0069.pdf pdf icon No Revision
2-Butoxyethanol 111-76-2 0070.pdf pdf icon 0070-rev.pdf pdf icon
n-Butyl acetate 123-86-4 0072.pdf pdf icon 0072-rev.pdf pdf icon
sec-Butyl acetate 105-46-4 0073.pdf pdf icon 0073-rev.pdf pdf icon
tert-Butyl acetate 540-88-5 0074.pdf pdf icon 0074-rev.pdf pdf icon
Butyl acrylate 141-32-2 0075.pdf pdf icon No Revision
n-Butyl alcohol 71-36-3 0076.pdf pdf icon 0076-rev.pdf pdf icon
sec-Butyl alcohol 78-92-2 0077.pdf pdf icon 0077-rev.pdf pdf icon
tert-Butyl alcohol 75-65-0 0078.pdf pdf icon 0078-rev.pdf pdf icon
n-Butylamine 109-73-9 0079.pdf pdf icon 0079-rev.pdf pdf icon
tert-Butyl chromate 1189-85-1 0080.pdf pdf icon 0080-rev.pdf pdf icon
n-Butyl glycidyl ether 2426-08-6 0081.pdf pdf icon No Revision
n-Butyl lactate 138-22-7 0082.pdf pdf icon No Revision
n-Butyl mercaptan 109-79-5 0083.pdf pdf icon No Revision
o-sec-Butylphenol 89-72-5 0084.pdf pdf icon No Revision
p-tert-Butyltoluene 98-51-1 0085.pdf pdf icon 0085-rev.pdf pdf icon
Cadmium dust (as Cd) 7440-43-9 0087.pdf pdf icon No Revision
Cadmium fume (as Cd) 1306-19-0 0088.pdf pdf icon No Revision
Calcium carbonate 1317-65-3 0090.pdf pdf icon No Revision
Calcium cyanamide 156-62-7 0091.pdf pdf icon No Revision
Calcium hydroxide 1305-62-0 0092.pdf pdf icon No Revision
Calcium oxide 1305-78-8 0093.pdf pdf icon 0093-rev.pdf pdf icon
Calcium silicate 1344-95-2 0094.pdf pdf icon No Revision
Calcium sulfate 7778-18-9 0095.pdf pdf icon No Revision
Camphor (synthetic) 76-22-2 0096.pdf pdf icon 0096-rev.pdf pdf icon
Caprolactam 105-60-2 0097.pdf pdf icon No Revision
Captafol 2425-06-1 0098.pdf pdf icon No Revision
Captan 133-06-2 0099.pdf pdf icon No Revision
Carbaryl 63-25-2 0100.pdf pdf icon 0100-rev.pdf pdf icon
Carbofuran 1563-66-2 0101.pdf pdf icon No Revision
Carbon black 1333-86-4 0102.pdf pdf icon No Revision
Carbon dioxide 124-38-9 0103.pdf pdf icon No Revision
Carbon disulfide 75-15-0 0104.pdf pdf icon No Revision
Carbon monoxide 630-08-0 0105.pdf pdf icon No Revision
Carbon tetrabromide 558-13-4 0106.pdf pdf icon No Revision
Carbon tetrachloride 56-23-5 0107.pdf pdf icon 0107-rev.pdf pdf icon
Carbonyl fluoride 353-50-4 0108.pdf pdf icon No Revision
Catechol 120-80-9 0109.pdf pdf icon No Revision
Cellulose 9004-34-6 0110.pdf pdf icon No Revision
Cesium hydroxide 21351-79-1 0111.pdf pdf icon No Revision
Chlordane 57-74-9 0112.pdf pdf icon No Revision
Chlorinated camphene 8001-35-2 0113.pdf pdf icon No Revision
Chlorinated diphenyl oxide 0114.pdf pdf icon No Revision
Chlorine 7782-50-5 0115.pdf pdf icon No Revision
Chlorine dioxide 10049-04-4 0116.pdf pdf icon No Revision
Chlorine trifluoride 7790-91-2 0117.pdf pdf icon No Revision
Chloroacetaldehyde 107-20-0 0118.pdf pdf icon No Revision
alpha-Chloroacetophenone 532-27-4 0119.pdf pdf icon No Revision
Chloroacetyl chloride 79-04-9 0120.pdf pdf icon No Revision
Chlorobenzene 108-90-7 0121.pdf pdf icon 0121-rev.pdf pdf icon
o-Chlorobenzylidene malononitrile 2698-41-1 0122.pdf pdf icon 0122-rev.pdf pdf icon
Chlorobromomethane 74-97-5 0123.pdf pdf icon No Revision
Chlorodifluoromethane 75-45-6 0124.pdf pdf icon No Revision
Chlorodiphenyl (42% chlorine) 53469-21-9 0125.pdf pdf icon No Revision
Chlorodiphenyl (54% chlorine) 11097-69-1 0126.pdf pdf icon No Revision
Chloroform 67-66-3 0127.pdf pdf icon No Revision
bis-Chloromethyl ether 542-88-1 0128.pdf pdf icon No Revision
Chloromethyl methyl ether 107-30-2 0129.pdf pdf icon No Revision
1-Chloro-1-nitropropane 600-25-9 0130.pdf pdf icon No Revision
Chloropentafluoroethane 76-15-3 0131.pdf pdf icon No Revision
Chloropicrin 76-06-2 0132.pdf pdf icon 0132-rev.pdf pdf icon
beta-Chloroprene 126-99-8 0133.pdf pdf icon 0133-rev.pdf pdf icon
o-Chlorostyrene 2039-87-4 0134.pdf pdf icon No Revision
o-Chlorotoluene 95-49-8 0135.pdf pdf icon No Revision
2-Chloro-6-trichloromethyl pyridine 1929-82-4 0136.pdf pdf icon No Revision
Chlorpyrifos 2921-88-2 0137.pdf pdf icon No Revision
Chromic acid and chromates 1333-82-0 0138.pdf pdf icon No Revision
Chromium(III) compounds (as Cr) 0140.pdf pdf icon No Revision
Chromium metal 7440-47-3 0141.pdf pdf icon No Revision
Clopidol 2971-90-6 0143.pdf pdf icon No Revision
Coal tar pitch volatiles 65996-93-2 0145.pdf pdf icon No Revision
Cobalt metal dust and fume (as Co) 7440-48-4 0146.pdf pdf icon No Revision
Cobalt carbonyl (as Co) 10210-68-1 0147.pdf pdf icon No Revision
Cobalt hydrocarbonyl (as Co) 16842-03-8 0148.pdf pdf icon No Revision
Copper (dusts and mists, as Cu) 7440-50-8 0150.pdf pdf icon No Revision
Copper fume (as Cu) 1317-38-0 0151.pdf pdf icon No Revision
Cotton dust (raw) GN22 0152.pdf pdf icon No Revision
Crag® herbicide 136-78-7 0153.pdf pdf icon No Revision
o-Cresol 95-48-7 0154.pdf pdf icon No Revision
m-Cresol 108-39-4 0155.pdf pdf icon No Revision
p-Cresol 106-44-5 0156.pdf pdf icon No Revision
Crotonaldehyde 4170-30-3 0157.pdf pdf icon No Revision
Crufomate 299-86-5 0158.pdf pdf icon No Revision
Cumene 98-82-8 0159.pdf pdf icon No Revision
Cyanogen 460-19-5 0161.pdf pdf icon No Revision
Cyanogen chloride 506-77-4 0162.pdf pdf icon No Revision
Cyclohexane 110-82-7 0163.pdf pdf icon No Revision
Cyclohexanol 108-93-0 0165.pdf pdf icon No Revision
Cyclohexanone 108-94-1 0166.pdf pdf icon No Revision
Cyclohexene 110-83-8 0167.pdf pdf icon No Revision
Cyclohexylamine 108-91-8 0168.pdf pdf icon No Revision
Cyclonite 121-82-4 0169.pdf pdf icon No Revision
Cyclopentadiene 542-92-7 0170.pdf pdf icon No Revision
Cyclopentane 287-92-3 0171.pdf pdf icon No Revision
2,4-D 94-75-7 0173.pdf pdf icon No Revision
DDT 50-29-3 0174.pdf pdf icon No Revision
Decaborane 17702-41-9 0175.pdf pdf icon 0175-rev.pdf pdf icon
Demeton 8065-48-3 0177.pdf pdf icon No Revision
Diacetone alcohol 123-42-2 0178.pdf pdf icon No Revision
Diazinon 333-41-5 0181.pdf pdf icon No Revision
Diazomethane 334-88-3 0182.pdf pdf icon No Revision
Diborane 19287-45-7 0183.pdf pdf icon No Revision
1,2-Dibromo-3-chloropropane 96-12-8 0184.pdf pdf icon No Revision
2-N-Dibutylaminoethanol 102-81-8 0185.pdf pdf icon No Revision
Dibutyl phosphate 107-66-4 0186.pdf pdf icon No Revision
Dibutyl phthalate 84-74-2 0187.pdf pdf icon No Revision
Dichloroacetylene 7572-29-4 0188.pdf pdf icon No Revision
o-Dichlorobenzene 95-50-1 0189.pdf pdf icon No Revision
p-Dichlorobenzene 106-46-7 0190.pdf pdf icon No Revision
3,3′-Dichlorobenzidine (and its salts) 91-94-1 0191.pdf pdf icon No Revision
Dichlorodifluoromethane 75-71-8 0192.pdf pdf icon No Revision
1,3-Dichloro-5,5-dimethylhydantoin 118-52-5 0193.pdf pdf icon No Revision
1,1-Dichloroethane 75-34-3 0194.pdf pdf icon No Revision
1,2-Dichloroethylene 540-59-0 0195.pdf pdf icon No Revision
Dichloroethyl ether 111-44-4 0196.pdf pdf icon No Revision
Dichloromonofluoromethane 75-43-4 0197.pdf pdf icon No Revision
1,1-Dichloro-1-nitroethane 594-72-9 0198.pdf pdf icon No Revision
1,3-Dichloropropene 542-75-6 0199.pdf pdf icon No Revision
2,2-Dichloropropionic acid 75-99-0 0200.pdf pdf icon No Revision
Dichlorotetrafluoroethane 76-14-2 0201.pdf pdf icon No Revision
Dichlorvos 62-73-7 0202.pdf pdf icon No Revision
Dicrotophos 141-66-2 0203.pdf pdf icon No Revision
Dicyclopentadiene 77-73-6 0204.pdf pdf icon No Revision
Dicyclopentadienyl iron 102-54-5 0205.pdf pdf icon No Revision
Dieldrin 60-57-1 0206.pdf pdf icon No Revision
Diethanolamine 111-42-2 0208.pdf pdf icon No Revision
Diethylamine 109-89-7 0209.pdf pdf icon No Revision
2-Diethylaminoethanol 100-37-8 0210.pdf pdf icon No Revision
Diethylenetriamine 111-40-0 0211.pdf pdf icon No Revision
Diethyl phthalate 84-66-2 0213.pdf pdf icon No Revision
Difluorodibromomethane 75-61-6 0214.pdf pdf icon No Revision
Diglycidyl ether 2238-07-5 0215.pdf pdf icon No Revision
Diisobutyl ketone 108-83-8 0216.pdf pdf icon No Revision
Diisopropylamine 108-18-9 0217.pdf pdf icon No Revision
Dimethyl acetamide 127-19-5 0218.pdf pdf icon No Revision
Dimethylamine 124-40-3 0219.pdf pdf icon No Revision
4-Dimethylaminoazobenzene 60-11-7 0220.pdf pdf icon No Revision
N,N-Dimethylaniline 121-69-7 0223.pdf pdf icon No Revision
Dimethyl-1,2-dibromo-2,2-dichlorethyl phosphate 300-76-5 0225.pdf pdf icon No Revision
Dimethylformamide 68-12-2 0226.pdf pdf icon No Revision
1,1-Dimethylhydrazine 57-14-7 0227.pdf pdf icon No Revision
Dimethylphthalate 131-11-3 0228.pdf pdf icon No Revision
Dimethyl sulfate 77-78-1 0229.pdf pdf icon No Revision
Dinitolmide 148-01-6 0230.pdf pdf icon No Revision
o-Dinitrobenzene 528-29-0 0231.pdf pdf icon No Revision
m-Dinitrobenzene 99-65-0 0231.pdf pdf icon No Revision
p-Dinitrobenzene 100-25-4 0231.pdf pdf icon No Revision
Dinitro-o-cresol 534-52-1 0234.pdf pdf icon No Revision
Dinitrotoluene 25321-14-6 0235.pdf pdf icon No Revision
Di-sec octyl phthalate 117-81-7 0236.pdf pdf icon No Revision
Dioxane 123-91-1 0237.pdf pdf icon No Revision
Diphenyl 92-52-4 0239.pdf pdf icon No Revision
Dipropylene glycol methyl ether 34590-94-8 0241.pdf pdf icon No Revision
Dipropyl ketone 123-19-3 0242.pdf pdf icon No Revision
Disulfiram 97-77-8 0244.pdf pdf icon No Revision
Diuron 330-54-1 0247.pdf pdf icon No Revision
Endosulfan 115-29-7 0251.pdf pdf icon No Revision
Endrin 72-20-8 0252.pdf pdf icon No Revision
Epichlorohydrin 106-89-8 0254.pdf pdf icon No Revision
EPN 2104-64-5 0255.pdf pdf icon No Revision
Ethanolamine 141-43-5 0256.pdf pdf icon No Revision
Ethion 563-12-2 0257.pdf pdf icon No Revision
2-Ethoxyethanol 110-80-5 0258.pdf pdf icon No Revision
2-Ethoxyethyl acetate 111-15-9 0259.pdf pdf icon No Revision
Ethyl acetate 141-78-6 0260.pdf pdf icon No Revision
Ethyl acrylate 140-88-5 0261.pdf pdf icon No Revision
Ethylamine 75-04-7 0263.pdf pdf icon No Revision
Ethyl benzene 100-41-4 0264.pdf pdf icon No Revision
Ethyl bromide 74-96-4 0265.pdf pdf icon No Revision
Ethyl butyl ketone 106-35-4 0266.pdf pdf icon No Revision
Ethyl chloride 75-00-3 0267.pdf pdf icon No Revision
Ethylene chlorohydrin 107-07-3 0268.pdf pdf icon No Revision
Ethylenediamine 107-15-3 0269.pdf pdf icon No Revision
Ethylene dibromide 106-93-4 0270.pdf pdf icon No Revision
Ethylene dichloride 107-06-2 0271.pdf pdf icon No Revision
Ethylene glycol 107-21-1 0272.pdf pdf icon No Revision
Ethylene glycol dinitrate 628-96-6 0273.pdf pdf icon No Revision
Ethyleneimine 151-56-4 0274.pdf pdf icon No Revision
Ethylene oxide 75-21-8 0275.pdf pdf icon No Revision
Ethyl ether 60-29-7 0277.pdf pdf icon No Revision
Ethyl formate 109-94-4 0278.pdf pdf icon No Revision
Ethylidene norbornene 16219-75-3 0279.pdf pdf icon No Revision
Ethyl mercaptan 75-08-1 0280.pdf pdf icon No Revision
N-Ethylmorpholine 100-74-3 0281.pdf pdf icon No Revision
Ethyl silicate 78-10-4 0282.pdf pdf icon No Revision
Ferbam 14484-64-1 0286.pdf pdf icon No Revision
Ferrovanadium dust 12604-58-9 0287.pdf pdf icon No Revision
Fluorine 7782-41-4 0289.pdf pdf icon No Revision
Fluorotrichloromethane 75-69-4 0290.pdf pdf icon No Revision
Formaldehyde 50-00-0 0293.pdf pdf icon No Revision
Formic acid 64-18-6 0296.pdf pdf icon No Revision
Furfural 98-01-1 0297.pdf pdf icon No Revision
Furfuryl alcohol 98-00-0 0298.pdf pdf icon No Revision
Glycidol 556-52-5 0303.pdf pdf icon No Revision
Graphite (natural) 7782-42-5 0306.pdf pdf icon No Revision
Hafnium 7440-58-6 0309.pdf pdf icon No Revision
Heptachlor 76-44-8 0311.pdf pdf icon No Revision
n-Heptane 142-82-5 0312.pdf pdf icon No Revision
Hexachloroethane 67-72-1 0316.pdf pdf icon No Revision
Hexachloronaphthalene 1335-87-1 > 0317.pdf pdf icon No Revision
n-Hexane 110-54-3 0322.pdf pdf icon No Revision
2-Hexanone 591-78-6 0325.pdf pdf icon No Revision
Hexone 108-10-1 0326.pdf pdf icon No Revision
sec-Hexyl acetate 108-84-9 0327.pdf pdf icon No Revision
Hydrazine 302-01-2 0329.pdf pdf icon No Revision
Hydrogen bromide 10035-10-6 0331.pdf pdf icon No Revision
Hydrogen chloride 7647-01-0 0332.pdf pdf icon No Revision
Hydrogen cyanide 74-90-8 0333.pdf pdf icon No Revision
Hydrogen fluoride (as F) 7664-39-3 0334.pdf pdf icon No Revision
Hydrogen peroxide 7722-84-1 0335.pdf pdf icon No Revision
Hydrogen selenide 7783-07-5 0336.pdf pdf icon No Revision
Hydrogen sulfide 7783-06-4 0337.pdf pdf icon No Revision
Hydroquinone 123-31-9 0338.pdf pdf icon No Revision
Iodine 7553-56-2 0342.pdf pdf icon No Revision
Iron oxide dust and fume (as Fe) 1309-37-1 0344.pdf pdf icon No Revision
Isoamyl acetate 123-92-2 0347.pdf pdf icon No Revision
Isoamyl alcohol (primary) 123-51-3 0348.pdf pdf icon No Revision
Isoamyl alcohol (secondary) 6032-29-7 0349.pdf pdf icon No Revision
Isobutyl acetate 110-19-0 0351.pdf pdf icon No Revision
Isobutyl alcohol 78-83-1 0352.pdf pdf icon No Revision
Isophorone 78-59-1 0355.pdf pdf icon No Revision
Isopropyl acetate 108-21-4 0358.pdf pdf icon No Revision
Isopropyl alcohol 67-63-0 0359.pdf pdf icon No Revision
Isopropylamine 75-31-0 0360.pdf pdf icon No Revision
Isopropyl ether 108-20-3 0362.pdf pdf icon No Revision
Isopropyl glycidyl ether 4016-14-2 0363.pdf pdf icon No Revision
Ketene 463-51-4 0367.pdf pdf icon No Revision
Lead 7439-92-1 0368.pdf pdf icon No Revision
Lindane 58-89-9 0370.pdf pdf icon No Revision
Lithium hydride 7580-67-8 0371.pdf pdf icon No Revision
L.P.G. 68476-85-7 0372.pdf pdf icon No Revision
Magnesium oxide fume 1309-48-4 0374.pdf pdf icon No Revision
Malathion 121-75-5 0375.pdf pdf icon No Revision
Maleic anhydride 108-31-6 0376.pdf pdf icon No Revision
Manganese compounds and fume (as Mn) 7439-96-5 0379.pdf pdf icon No Revision
Mercury compounds [except (organo) alkyl 7439-97-6 0383.pdf pdf icon No Revision
Mercury (organo) alkyl compounds (as Hg) 0384.pdf pdf icon No Revision
Mesityl oxide 141-79-7 0385.pdf pdf icon No Revision
Methoxychlor 72-43-5 0388.pdf pdf icon No Revision
Methyl acetate 79-20-9 0391.pdf pdf icon No Revision
Methyl acetylene 74-99-7 0392.pdf pdf icon No Revision
Methyl acetylene-propadiene mixture 59355-75-8 0393.pdf pdf icon No Revision
Methyl acrylate 96-33-3 0394.pdf pdf icon No Revision
Methylal 109-87-5 0396.pdf pdf icon No Revision
Methyl alcohol 67-56-1 0397.pdf pdf icon No Revision
Methylamine 74-89-5 0398.pdf pdf icon No Revision
Methyl bromide 74-83-9 0400.pdf pdf icon No Revision
Methyl Cellosolve® 109-86-4 0401.pdf pdf icon No Revision
Methyl Cellosolve® acetate 110-49-6 0402.pdf pdf icon No Revision
Methyl chloride 74-87-3 0403.pdf pdf icon No Revision
Methyl chloroform 71-55-6 0404.pdf pdf icon No Revision
Methylcyclohexane 108-87-2 0406.pdf pdf icon No Revision
Methylcyclohexanol 25639-42-3 0407.pdf pdf icon No Revision
o-Methylcyclohexanone 583-60-8 0408.pdf pdf icon No Revision
Methylene bisphenyl isocyanate 101-68-8 0413.pdf pdf icon No Revision
Methylene chloride 75-09-2 0414.pdf pdf icon No Revision
Methyl formate 107-31-3 0417.pdf pdf icon No Revision
5-Methyl-3-heptanone 541-85-5 0418.pdf pdf icon No Revision
Methyl hydrazine 60-34-4 0419.pdf pdf icon No Revision
Methyl iodide 74-88-4 0420.pdf pdf icon No Revision
Methyl isobutyl carbinol 108-11-2 0422.pdf pdf icon No Revision
Methyl isocyanate 624-83-9 0423.pdf pdf icon No Revision
Methyl mercaptan 74-93-1 0425.pdf pdf icon No Revision
Methyl methacrylate 80-62-6 0426.pdf pdf icon No Revision
alpha-Methyl styrene 98-83-9 0429.pdf pdf icon No Revision
Mica (containing less than 1% quartz) 12001-26-2 0431.pdf pdf icon No Revision
Molybdenum 7439-98-7 0433.pdf pdf icon No Revision
Molybdenum (soluble compounds, as Mo) 0434.pdf pdf icon No Revision
Monomethyl aniline 100-61-8 0436.pdf pdf icon No Revision
Morpholine 110-91-8 0437.pdf pdf icon No Revision
Naphtha (coal tar) 8030-30-6 0438.pdf pdf icon No Revision
Naphthalene 91-20-3 0439.pdf pdf icon No Revision
alpha-Naphthylamine 134-32-7 0441.pdf pdf icon No Revision
beta-Naphthylamine 91-59-8 0442.pdf pdf icon No Revision
Nickel carbonyl 13463-39-3 0444.pdf pdf icon No Revision
Nickel metal and other compounds (as Ni) 7440-02-0 0445.pdf pdf icon No Revision
Nicotine 54-11-5 0446.pdf pdf icon No Revision
Nitric acid 7697-37-2 0447.pdf pdf icon No Revision
Nitric oxide 10102-43-9 0448.pdf pdf icon No Revision
p-Nitroaniline 100-01-6 0449.pdf pdf icon No Revision
Nitrobenzene 98-95-3 0450.pdf pdf icon No Revision
4-Nitrobiphenyl 92-93-3 0451.pdf pdf icon No Revision
p-Nitrochlorobenzene 100-00-5 0452.pdf pdf icon No Revision
Nitroethane 79-24-3 0453.pdf pdf icon No Revision
Nitrogen dioxide 10102-44-0 0454.pdf pdf icon No Revision
Nitrogen trifluoride 7783-54-2 0455.pdf pdf icon No Revision
Nitroglycerine 55-63-0 0456.pdf pdf icon No Revision
Nitromethane 75-52-5 0457.pdf pdf icon No Revision
1-Nitropropane 108-03-2 0459.pdf pdf icon
2-Nitropropane 79-46-9 0460.pdf pdf icon No Revision
N-Nitrosodimethylamine 62-75-9 0461.pdf pdf icon No Revision
o-Nitrotoluene 88-72-2 0462.pdf pdf icon No Revision
m-Nitrotoluene 99-08-1 0463.pdf pdf icon No Revision
p-Nitrotoluene 99-99-0 0464.pdf pdf icon No Revision
Octachloronaphthalene 2234-13-1 0468.pdf pdf icon No Revision
Octane 111-65-9 0470.pdf pdf icon No Revision
Oil mist (mineral) 8012-95-1 0472.pdf pdf icon No Revision
Osmium tetroxide 20816-12-0 0473.pdf pdf icon No Revision
Oxalic acid 144-62-7 0474.pdf pdf icon No Revision
Oxygen difluoride 7783-41-7 0475.pdf pdf icon No Revision
Ozone 10028-15-6 0476.pdf pdf icon No Revision
Paraquat (Paraquat dichloride) 1910-42-5 0478.pdf pdf icon No Revision
Parathion 56-38-2 0479.pdf pdf icon No Revision
Pentaborane 19624-22-7 0481.pdf pdf icon No Revision
Pentachloronaphthalene 1321-64-8 0483.pdf pdf icon No Revision
Pentachlorophenol 87-86-5 0484.pdf pdf icon No Revision
n-Pentane 109-66-0 0486.pdf pdf icon No Revision
2-Pentanone 107-87-9 0488.pdf pdf icon No Revision
Perchloromethyl mercaptan 594-42-3 0489.pdf pdf icon No Revision
Perchloryl fluoride 7616-94-6 0490.pdf pdf icon No Revision
Petroleum distillates (naphtha) 8002-05-9 0492.pdf pdf icon No Revision
Phenol 108-95-2 0493.pdf pdf icon No Revision
p-Phenylene diamine 106-50-3 0495.pdf pdf icon No Revision
Phenyl ether (vapor) 101-84-8 0496.pdf pdf icon No Revision
Phenyl ether-biphenyl mixture (vapor) 8004-13-5 0497.pdf pdf icon No Revision
Phenyl glycidyl ether 122-60-1 0498.pdf pdf icon No Revision
Phenylhydrazine 100-63-0 0499.pdf pdf icon No Revision
Phosdrin 7786-34-7 0503.pdf pdf icon No Revision
Phosgene 75-44-5 0504.pdf pdf icon No Revision
Phosphine 7803-51-2 0505.pdf pdf icon No Revision
Phosphoric acid 7664-38-2 0506.pdf pdf icon No Revision
Phosphorus (yellow) 7723-14-0 0507.pdf pdf icon No Revision
Phosphorus pentachloride 10026-13-8 0509.pdf pdf icon No Revision
Phosphorus pentasulfide 1314-80-3 0510.pdf pdf icon No Revision
Phosphorus trichloride 7719-12-2 0511.pdf pdf icon No Revision
Phthalic anhydride 85-44-9 0512.pdf pdf icon No Revision
Picric acid 88-89-1 0515.pdf pdf icon No Revision
Platinum (soluble salts, as Pt) 0520.pdf pdf icon No Revision
Portland cement 65997-15-1 0521.pdf pdf icon 0521-rev.pdf pdf icon
Propane 74-98-6 0524.pdf pdf icon No Revision
beta-Propiolactone 57-57-8 0528.pdf pdf icon No Revision
n-Propyl acetate 109-60-4 0532.pdf pdf icon No Revision
n-Propyl alcohol 71-23-8 0533.pdf pdf icon No Revision
Propylene dichloride 78-87-5 0534.pdf pdf icon No Revision
Propylene imine 75-55-8 0537.pdf pdf icon No Revision
Propylene oxide 75-56-9 0538.pdf pdf icon No Revision
n-Propyl nitrate 627-13-4 0539.pdf pdf icon No Revision
Pyrethrum 8003-34-7 0540.pdf pdf icon No Revision
Pyridine 110-86-1 0541.pdf pdf icon No Revision
Quinone 106-51-4 0542.pdf pdf icon No Revision
Rhodium (metal fume and insoluble compou 7440-16-6 0544.pdf pdf icon No Revision
Rhodium (soluble compounds, as Rh) 0545.pdf pdf icon No Revision
Ronnel 299-84-3 0546.pdf pdf icon No Revision
Rotenone 83-79-4 0548.pdf pdf icon No Revision
Selenium 7782-49-2 0550.pdf pdf icon No Revision
Selenium hexafluoride 7783-79-1 0551.pdf pdf icon No Revision
Silica, amorphous 7631-86-9 0552.pdf pdf icon No Revision
Silica, crystalline (as respirable dust) 14808-60-7 0553.pdf pdf icon No Revision
Silver (metal dust and soluble compounds 7440-22-4 0557.pdf pdf icon No Revision
Soapstone (containing less than 1% quart VV87 0558.pdf pdf icon No Revision
Sodium fluoroacetate 62-74-8 0564.pdf pdf icon No Revision
Sodium hydroxide 1310-73-2 0565.pdf pdf icon No Revision
Stibine 7803-52-3 0568.pdf pdf icon No Revision
Stoddard solvent 8052-41-3 0569.pdf pdf icon No Revision
Strychnine 57-24-9 0570.pdf pdf icon No Revision
Styrene 100-42-5 0571.pdf pdf icon No Revision
Sulfur dioxide 7446-09-5 0575.pdf pdf icon No Revision
Sulfuric acid 7664-93-9 0577.pdf pdf icon No Revision
Sulfur monochloride 10025-67-9 0578.pdf pdf icon No Revision
Sulfur pentafluoride 5714-22-7 0579.pdf pdf icon No Revision
Sulfuryl fluoride 2699-79-8 0581.pdf pdf icon No Revision
2,4,5-T 93-76-5 0583.pdf pdf icon No Revision
Talc (containing no asbestos and less th 14807-96-6 0584.pdf pdf icon No Revision
Tantalum (metal and oxide dust, as Ta) 7440-25-7 0585.pdf pdf icon No Revision
TEDP 3689-24-5 0586.pdf pdf icon No Revision
Tellurium 13494-80-9 0587.pdf pdf icon No Revision
Tellurium hexafluoride 7783-80-4 0588.pdf pdf icon No Revision
TEPP 107-49-3 0590.pdf pdf icon No Revision
o-Terphenyl 84-15-1 0591.pdf pdf icon No Revision
m-Terphenyl 92-06-8 0592.pdf pdf icon No Revision
p-Terphenyl 92-94-4 0593.pdf pdf icon No Revision
1,1,1,2-Tetrachloro-2,2-difluoroeth 76-11-9 0595.pdf pdf icon No Revision
1,1,2,2-Tetrachloro-1,2-difluoroethane 76-12-0 0596.pdf pdf icon No Revision
1,1,2,2-Tetrachloroethane 79-34-5 0598.pdf pdf icon No Revision
Tetrachloroethylene 127-18-4 0599.pdf pdf icon No Revision
Tetrachloronaphthalene 1335-88-2 0600.pdf pdf icon No Revision
Tetraethyl lead (as Pb) 78-00-2 0601.pdf pdf icon No Revision
Tetrahydrofuran 109-99-9 0602.pdf pdf icon No Revision
Tetramethyl lead (as Pb) 75-74-1 0603.pdf pdf icon No Revision
Tetramethyl succinonitrile 3333-52-6 0604.pdf pdf icon No Revision
Tetranitromethane 509-14-8 0605.pdf pdf icon No Revision
Tetryl 479-45-8 0607.pdf pdf icon No Revision
Thallium (soluble compounds, as Tl) 0608.pdf pdf icon No Revision
Thiram 137-26-8 0612.pdf pdf icon No Revision
Tin 7440-31-5 0613.pdf pdf icon No Revision
Tin (organic compounds, as Sn) 0614.pdf pdf icon No Revision
Titanium dioxide 13463-67-7 0617.pdf pdf icon No Revision
Toluene 108-88-3 0619.pdf pdf icon No Revision
Toluene-2,4-diisocyanate 584-84-9 0621.pdf pdf icon No Revision
o-Toluidine 95-53-4 0622.pdf pdf icon No Revision
Tributyl phosphate 126-73-8 0625.pdf pdf icon No Revision
1,1,2-Trichloroethane 79-00-5 0628.pdf pdf icon No Revision
Trichloroethylene 79-01-6 0629.pdf pdf icon No Revision
Trichloronaphthalene 1321-65-9 0630.pdf pdf icon No Revision
1,2,3-Trichloropropane 96-18-4 0631.pdf pdf icon No Revision
1,1,2-Trichloro-1,2,2-trifluoroethane 76-13-1 0632.pdf pdf icon No Revision
Trifluorobromomethane 75-63-8 0634.pdf pdf icon No Revision
2,4,6-Trinitrotoluene 118-96-7 0641.pdf pdf icon No Revision
Triorthocresyl phosphate 78-30-8 0642.pdf pdf icon No Revision
Triphenyl phosphate 115-86-6 0644.pdf pdf icon No Revision
Turpentine 8006-64-2 0648.pdf pdf icon No Revision
Uranium (insoluble compounds, as U) 7440-61-1 0650.pdf pdf icon No Revision
Uranium (soluble compounds, as U) 0651.pdf pdf icon No Revision
Vanadium dust 1314-62-1 0653.pdf pdf icon No Revision
Vanadium fume 1314-62-1 0654.pdf pdf icon No Revision
Vinyl chloride 75-01-4 0659.pdf pdf icon No Revision
Vinyl toluene 25013-15-4 0663.pdf pdf icon No Revision
Warfarin 81-81-2 0665.pdf pdf icon No Revision
o-Xylene 95-47-6 0668.pdf pdf icon No Revision
Xylidine 1300-73-8 0672.pdf pdf icon No Revision
Yttrium 7440-65-5 0673.pdf pdf icon No Revision
Zinc chloride fume 7646-85-7 0674.pdf pdf icon No Revision
Zinc oxide 1314-13-2 0675.pdf pdf icon No Revision
Zirconium compounds (as Zr) 7440-67-7 0677.pdf pdf icon No Revision
Page last reviewed: June 6, 2014