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Index of Chemical Names, Synonyms and Trade Names

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Note: An asterisk (*) indicates a primary chemical name.

C

CHEMICAL NAME CAS No. RTECS No.
Cadmium dust (as Cd)* 7440-43-9 (metal) EU9800000 (metal) 
Cadmium fume (as Cd)* 1306-19-0 (CdO) EV1930000 (CdO) 
Cadmium metal 7440-43-9 (metal) EU9800000 (metal) 
Cadmium monoxide 1306-19-0 (CdO) EV1930000 (CdO) 
Cadmium oxide fume 1306-19-0 (CdO) EV1930000 (CdO) 
Calcium arsenate (as As)* 7778-44-1 CG0830000 
Calcium carbimide 156-62-7 GS6000000 
Calcium carbonate* 471-34-1 (synthetic)
1317-65-3 (natural)
EV9580000 
Calcium carbonate [Limestone] 1317-65-3 EV9580000 
Calcium carbonate [Marble] 1317-65-3 EV9580000 
Calcium cyanamide* 156-62-7 GS6000000 
Calcium hydrate 1305-62-0 EW2800000 
Calcium hydrosilicate 1344-95-2 VV9150000 
Calcium hydroxide* 1305-62-0 EW2800000 
Calcium metasilicate 1344-95-2 VV9150000 
Calcium monosilicate 1344-95-2 VV9150000 
Calcium oxide* 1305-78-8 EW3100000 
Calcium salt (2:3) of arsenic acid 7778-44-1 CG0830000 
Calcium salt of carbonic acid 471-34-1 (synthetic)
1317-65-3 (natural)
EV9580000 
Calcium salt of silicic acid 1344-95-2 VV9150000 
Calcium salt of sulfuric acid 7778-18-9 WS6920000 
Calcium silicate* 1344-95-2 VV9150000 
Calcium sulfate* 7778-18-9 WS6920000 
Calcium(II) sulfate dihydrate 13397-24-5 MG2360000 
Calcium sulfate hemihydrate 26499-65-0 TP0700000 
2-Camphonone 76-22-2 EX1225000 
Camphor (synthetic)* 76-22-2 EX1225000 
Cane sugar 57-50-1 WN6500000 
Caprolactam* 105-60-2 CM3675000 
epsilon-Caprolactam 105-60-2 CM3675000 
Captafol* 2425-06-1 GW4900000 
Captan* 133-06-2 GW5075000 
Captane 133-06-2 GW5075000 
Captofol 2425-06-1 GW4900000 
Carbamaldehyde 75-12-7 LQ0525000 
Carbaryl* 63-25-2 FC5950000 
Carbicron® 141-66-2 TC3850000 
Carbimide 420-04-2 GS5950000 
Carbinol 67-56-1 PC1400000 
Carbodiimide 420-04-2 GS5950000 
Carbofuran* 1563-66-2 FB9450000 
Carbolic acid 108-95-2 SJ3325000 
Carbomethene 463-51-4 OA7700000 
2-Carbomethoxy-1-methylvinyl dimethyl phosphate 7786-34-7 GQ5250000 
Carbon bisulfide 75-15-0 FF6650000 
Carbon black* 1333-86-4 FF5800000 
Carbon bromide 558-13-4 FG4725000 
Carbon chloride 56-23-5 FG4900000 
Carbon difluoride oxide 353-50-4 FG6125000 
Carbon dioxide* 124-38-9 FF6400000 
Carbon disulfide* 75-15-0 FF6650000 
Carbon fluoride oxide 353-50-4 FG6125000 
Carbon hexachloride 67-72-1 KI4025000 
Carbon monoxide* 630-08-0 FG3500000 
Carbon nitride 460-19-5 GT1925000 
Carbon oxide 630-08-0 FG3500000 
Carbon oxychloride 75-44-5 SY5600000 
Carbon oxyfluoride 353-50-4 FG6125000 
Carbon silicide 409-21-2 VW0450000 
Carbon tet 56-23-5 FG4900000 
Carbon tetrabromide* 558-13-4 FG4725000 
Carbon tetrachloride* 56-23-5 FG4900000 
Carbonate magnesium 546-93-0 OM2470000 
Carbonic acid gas 124-38-9 FF6400000 
Carbonyl chloride 75-44-5 SY5600000 
Carbonyl dichloride 75-44-5 SY5600000 
Carbonyl difluoride 353-50-4 FG6125000 
Carbonyl fluoride* 353-50-4 FG6125000 
di-mu-Carbonylhexacarbonyldicobalt 10210-68-1 GG0300000 
Carborundum® 409-21-2 VW0450000 
Carboxyethane 79-09-4 UE5950000 
4-Carboxyphthalic anhydride 552-30-7 DC2050000 
Catechol* 120-80-9 UX1050000 
Caustic lime 1305-62-0 EW2800000 
Caustic potash 1310-58-3 TT2100000 
Caustic soda 1310-73-2 WB4900000 
CB 74-97-5 PA5250000 
CBM 74-97-5 PA5250000 
Cellosolve® 110-80-5 KK8050000 
Cellosolve® acetate 111-15-9 KK8225000 
Cellulose* 9004-34-6 FJ5691460 
Celtium 7440-58-6 MG4600000 
Cement 65997-15-1 VV8770000 
Cemented tungsten carbide 1: 11107-01-0
2: 12718-69-3
3: 37329-49-0
1: YO7350000 
2: YO7525000 
3: YO7700000 
Cemented WC 1: 11107-01-0
2: 12718-69-3
3: 37329-49-0
1: YO7350000 
2: YO7525000 
3: YO7700000 
Cesium hydrate 21351-79-1 FK9800000 
Cesium hydroxide* 21351-79-1 FK9800000 
Cesium hydroxide dimer 21351-79-1 FK9800000 
Cetyl mercaptan 2917-26-2
CFC-113 76-13-1 KJ4000000 
Channel black 1333-86-4 FF5800000 
China clay 1332-58-7 GF1670500 
Chlorcyan 506-77-4 GT2275000 
Chlordan 57-74-9 PB9800000 
Chlordane* 57-74-9 PB9800000 
Chlordano 57-74-9 PB9800000 
Chlordecone 143-50-0 PC8575000 
Chlorinated camphene* 8001-35-2 XW5250000 
Chlorinated diphenyl oxide*  
Chlorine* 7782-50-5 FO2100000 
Chlorine cyanide 506-77-4 GT2275000 
Chlorine dioxide* 10049-04-4 FO3000000 
Chlorine fluoride 7790-91-2 FO2800000 
Chlorine fluoride oxide 7616-94-6 SD1925000 
Chlorine oxide 10049-04-4 FO3000000 
Chlorine oxyfluoride 7616-94-6 SD1925000 
Chlorine peroxide 10049-04-4 FO3000000 
Chlorine trifluoride* 7790-91-2 FO2800000 
Chloroacetaldehyde* 107-20-0 AB2450000 
Chloroacetaldehyde (40% aqueous solution) 107-20-0 AB2450000 
2-Chloroacetaldehyde 107-20-0 AB2450000 
Chloroacetic acid chloride 79-04-9 AO6475000 
Chloroacetic chloride 79-04-9 AO6475000 
2-Chloroacetophenone 532-27-4 AM6300000 
a-Chloroacetophenone* 532-27-4 AM6300000 
Chloroacetyl chloride* 79-04-9 AO6475000 
3-Chloroallyl chloride 542-75-6 UC8310000 
2-Chlorobenzalmalonitrile 2698-41-1 OO3675000 
Chlorobenzene* 108-90-7 CZ0175000 
Chlorobenzol 108-90-7 CZ0175000 
o-Chlorobenzylidene malononitrile* 2698-41-1 OO3675000 
Chlorobromomethane* 74-97-5 PA5250000 
Chlorobutadiene 126-99-8 EI9625000 
2-Chloro-1,3-butadiene 126-99-8 EI9625000 
Chlorocamphene 8001-35-2 XW5250000 
Chlorochromic anhydride 14977-61-8 GB5775000 
Chlorocyanide 506-77-4 GT2275000 
Chlorocyanogen 506-77-4 GT2275000 
1-Chloro-2,3-dibromopropane 96-12-8 TX8750000 
Chlorodifluoromethane* 75-45-6 PA6390000 
2-Chloro-1-(difluoromethoxy)-1,1,2-trifluoroethane 13838-16-9 KN6800000 
Chlorodimethyl ether 107-30-2 KN6650000 
Chlorodiphenyl (42% chlorine)* 53469-21-9 TQ1356000 
Chlorodiphenyl (54% chlorine)* 11097-69-1 TQ1360000 
1-Chloro-2,3-epoxypropane 106-89-8 TX4900000 
Chloroethane 75-00-3 KH7525000 
2-Chloroethanal 107-20-0 AB2450000 
2-Chloroethanol 107-07-3 KK0875000 
Chloroethene 75-01-4 KU9625000 
1-Chloro-2-ethenylbenzene 2039-87-4 WL4160000 
2-Chloroethyl alcohol 107-07-3 KK0875000 
2-Chloro-4-ethylamino-6-isopropylamino-s-triazine 1912-24-9 XY5600000 
Chloroethylene 75-01-4 KU9625000 
bis(2-Chloroethyl)ether 111-44-4 KN0875000 
6-Chloro-N-ethyl-N'- (1-methylethyl)-1,3,5-triazine-2,4-diamine 1912-24-9 XY5600000 
Chlorofluorocarbon-113 76-13-1 KJ4000000 
Chloroform* 67-66-3 FS9100000 
Chloroformic acid dimethylamide 79-44-7 FD4200000 
Chloroformyl chloride 75-44-5 SY5600000 
Chloromethane 74-87-3 PA6300000 
Chloromethoxymethane 107-30-2 KN6650000 
Chloromethylbenzene 100-44-7 XS8925000 
1-Chloro-2-methylbenzene 95-49-8 XS9000000 
2-Chloro-1-methylbenzene 95-49-8 XS9000000 
Chloromethyl ether 542-88-1 KN1575000 
bis-Chloromethyl ether* 542-88-1 KN1575000 
Chloromethyl methyl ether* 107-30-2 KN6650000 
Chloromethyl phenyl ketone 532-27-4 AM6300000 
4-Chloronitrobenzene 100-00-5 CZ1050000 
p-Chloronitrobenzene 100-00-5 CZ1050000 
1-Chloro-4-nitrobenzene 100-00-5 CZ1050000 
1-Chloro-1-nitropropane* 600-25-9 TX5075000 
Chloropentafluoroethane* 76-15-3 KH7877500 
Chloropicrin* 76-06-2 PB6300000 
Chloroprene 126-99-8 EI9625000 
β-Chloroprene* 126-99-8 EI9625000 
1-Chloro-2-propene 107-05-1 UC7350000 
3-Chloropropene 107-05-1 UC7350000 
3-Chloropropylene 107-05-1 UC7350000 
2-Chloropropylene oxide 106-89-8 TX4900000 
ã-Chloropropylene oxide 106-89-8 TX4900000 
2-Chlorostyrene 2039-87-4 WL4160000 
o-Chlorostyrene* 2039-87-4 WL4160000 
Chlorothene 71-55-6 KJ2975000 
2-Chlorotoluene 95-49-8 XS9000000 
o-Chlorotoluene* 95-49-8 XS9000000 
α-Chlorotoluene 100-44-7 XS8925000 
2-Chloro-6-trichloromethyl pyridine* 1929-82-4 US7525000 
2-Chloro-6-(trichloro-methyl)pyridine 1929-82-4 US7525000 
Chlorotrifluoride 7790-91-2 FO2800000 
2-Chloro-1,1,2-trifluoroethyl difluoromethyl ether 13838-16-9 KN6800000 
Chlorpyrifos* 2921-88-2 TF6300000 
Chlorpyrifos-ethyl 2921-88-2 TF6300000 
Chrome 7440-47-3 GB4200000 
Chromic acid (CrO3) 1333-82-0 (CrO3) GB6650000 (CrO3
Chromic acid and chromates* 1333-82-0 (CrO3) GB6650000 (CrO3
Chromic anhydride 1333-82-0 (CrO3) GB6650000 (CrO3
Chromic oxide 1333-82-0 (CrO3) GB6650000 (CrO3
Chromic oxychloride 14977-61-8 GB5775000 
Chromium 7440-47-3 GB4200000 
Chromium chloride oxide 14977-61-8 GB5775000 
Chromium(II) compounds (as Cr)*  
Chromium(III) compounds (as Cr)*  
Chromium(VI) oxide (1:3) 1333-82-0 (CrO3) GB6650000 (CrO3
Chromium dichloride dioxide 14977-61-8 GB5775000 
Chromium dioxide dichloride 14977-61-8 GB5775000 
Chromium dioxychloride 14977-61-8 GB5775000 
Chromium metal* 7440-47-3 GB4200000 
Chromium oxychloride 14977-61-8 GB5775000 
Chromium trioxide 1333-82-0 (CrO3) GB6650000 (CrO3
Chromyl chloride* 14977-61-8 GB5775000 
Chrysene 65996-93-2 GF8655000 
Chrysotile 1332-21-4 CI6475000 
CI-2 12108-13-3 OP1450000 
Cinerin I or II 8003-34-7 UR4200000 
Clay 1332-58-7 GF1670500 
Clopidol* 2971-90-6 UU7711500 
bis-CME 542-88-1 KN1575000 
CMME 107-30-2 KN6650000 
Coal dust*  GF8281000 
Coal mine dust  GF8281000 
Coal tar 65996-93-2 GF8655000 
Coal tar pitch volatiles* 65996-93-2 GF8655000 
Cobalt carbonyl (as Co)* 10210-68-1 GG0300000 
Cobalt hydrocarbonyl (as Co)* 16842-03-8 GG0900000 
Cobalt metal dust 7440-48-4 GF8750000 
Cobalt metal dust and fume (as Co)* 7440-48-4 GF8750000 
Cobalt metal fume 7440-48-4 GF8750000 
Cobalt octacarbonyl 10210-68-1 GG0300000 
Cobalt tetracarbonyl dimer 10210-68-1 GG0300000 
Coke oven emissions*  GH0346000 
Colloidal manganese 7439-96-5 (metal) OO9275000 (metal) 
Colloidal mercury 7439-97-6 (metal) OV4550000 (metal) 
Cologne spirit 64-17-5 KQ6300000 
Columbian spirits 67-56-1 PC1400000 
Combustion Improver-2 12108-13-3 OP1450000 
Compressed petroleum gas 68476-85-7 SE7545000 
Confectioner's sugar 57-50-1 WN6500000 
Copper (dusts and mists, as Cu)* 7440-50-8 GL5325000 
Copper fume (as Cu)* 1317-38-0 (CuO) GL7900000 (CuO) 
Copper metal dusts 7440-50-8 GL5325000 
Copper metal fumes 7440-50-8 GL5325000 
Copper monoxide fume 1317-38-0 (CuO) GL7900000 (CuO) 
Copper(II) oxide fume 1317-38-0 (CuO) GL7900000 (CuO) 
Corn starch 9005-25-8 GM5090000 
Corundum 1302-74-5 (corundum) GN0231000 (corundum) 
Cotton dust (raw)*  GN2275000 
Coyden® 2971-90-6 UU7711500 
Crag® herbicide* 136-78-7 KK4900000 
Crag® herbicide No. 1 136-78-7 KK4900000 
2-Cresol 95-48-7 GO6300000 
3-Cresol 108-39-4 GO6125000 
4-Cresol 106-44-5 GO6475000 
m-Cresol* 108-39-4 GO6125000 
meta-Cresol 108-39-4 GO6125000 
o-Cresol* 95-48-7 GO6300000 
ortho-Cresol 95-48-7 GO6300000 
p-Cresol* 106-44-5 GO6475000 
para-Cresol 106-44-5 GO6475000 
m-Cresylic acid 108-39-4 GO6125000 
o-Cresylic acid 95-48-7 GO6300000 
p-Cresylic acid 106-44-5 GO6475000 
Cristobalite 14808-60-7 VV7330000 
Crocidolite (Riebeckite) 1332-21-4 CI6475000 
Crotonaldehyde* 4170-30-3 GP9499000 
Crude solvent coal tar naphtha 8030-30-6 DE3030000 
Crufomate* 299-86-5 TB3850000 
Cryocide 15096-52-3 WA9625000 
Cryodust 15096-52-3 WA9625000 
Cryolite 15096-52-3 WA9625000 
CS 2698-41-1 OO3675000 
Cucumber dust 7778-44-1 CG0830000 
Cumene* 98-82-8 GR8575000 
Cumol 98-82-8 GR8575000 
Cupric oxide fume 1317-38-0 (CuO) GL7900000 (CuO) 
Cyanamide [Calcium cyanamide] 156-62-7 GS6000000 
Cyanamide [Hydrogen cyanamide]* 420-04-2 GS5950000 
Cyanoacetonitrile 109-77-3 OO3150000 
Cyanoethane 107-12-0 UF9625000 
Cyanoethylene 107-13-1 AT5250000 
Cyanogen* 460-19-5 GT1925000 
Cyanogen chloride* 506-77-4 GT2275000 
Cyanogen nitride 420-04-2 GS5950000 
Cyanohydrin-2-propanone 75-86-5 OD9275000 
Cyanomethane 75-05-8 AL7700000 
Cyanomethanol 107-16-4 AM0350000 
1-Cyanopropane 109-74-0 ET8750000 
2-Cyano-2-propanol 75-86-5 OD9275000 
2-Cyanopropene-1 126-98-7 UD1400000 
2-Cyano-1-propene 126-98-7 UD1400000 
1,4-Cyclohexadiene dioxide 106-51-4 DK2625000 
Cyclohexane* 110-82-7 GU6300000 
Cyclohexanethiol* 1569-69-3 GV7525000 
Cyclohexanol* 108-93-0 GV7875000 
Cyclohexanone* 108-94-1 GW1050000 
Cyclohexene* 110-83-8 GW2500000 
Cyclohexyl alcohol 108-93-0 GV7875000 
Cyclohexylamine* 108-91-8 GX0700000 
Cyclohexyl ketone 108-94-1 GW1050000 
Cyclohexylmercaptan 1569-69-3 GV7525000 
Cyclohexylmethane 108-87-2 GV6125000 
Cyclohexylthiol 1569-69-3 GV7525000 
Cyclonite* 121-82-4 XY9450000 
Cyclopentadiene* 542-92-7 GY1000000 
1,3-Cyclopentadiene 542-92-7 GY1000000 
bis(Cyclopentadienyl)iron 102-54-5 LK0700000 
Cyclopentadienylmanganese tricarbonyl 12079-65-1 OO9720000 
Cyclopentadienyl tricarbonyl manganese 12079-65-1 OO9720000 
Cyclopentane* 287-92-3 GY2390000 
Cyclotrimethylenetrinitramine 121-82-4 XY9450000 
Cyhexatin* 13121-70-5 WH8750000 
 
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