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Index of Chemical Names, Synonyms and Trade Names: C

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

CHEMICAL NAME CAS No. RTECS No.
ã-Chloropropylene oxide106-89-8TX4900000
α-Chlorotoluene100-44-7XS8925000
β-Chloroprene *126-99-8EI9625000
1,3-Cyclopentadiene542-92-7GY1000000
1,4-Cyclohexadiene dioxide106-51-4DK2625000
1-Chloro-1-nitropropane *600-25-9TX5075000
1-Chloro-2,3-dibromopropane96-12-8TX8750000
1-Chloro-2,3-epoxypropane106-89-8TX4900000
1-Chloro-2-ethenylbenzene2039-87-4WL4160000
1-Chloro-2-methylbenzene95-49-8XS9000000
1-Chloro-2-propene107-05-1UC7350000
1-Chloro-4-nitrobenzene100-00-5CZ1050000
1-Cyanopropane109-74-0ET8750000
2-Camphonone76-22-2EX1225000
2-Carbomethoxy-1-methylvinyl dimethyl phosphate7786-34-7GQ5250000
2-Chloro-1-(difluoromethoxy)-1,1,2-trifluoroethane13838-16-9KN6800000
2-Chloro-1,1,2-trifluoroethyl difluoromethyl ether13838-16-9KN6800000
2-Chloro-1,3-butadiene126-99-8EI9625000
2-Chloro-1-methylbenzene95-49-8XS9000000
2-Chloro-4-ethylamino-6-isopropylamino-s-triazine1912-24-9XY5600000
2-Chloro-6-(trichloro-methyl)pyridine1929-82-4US7525000
2-Chloro-6-trichloromethyl pyridine *1929-82-4US7525000
2-Chloroacetaldehyde107-20-0AB2450000
2-Chloroacetophenone532-27-4AM6300000
2-Chlorobenzalmalonitrile2698-41-1OO3675000
2-Chloroethanal107-20-0AB2450000
2-Chloroethanol107-07-3KK0875000
2-Chloroethyl alcohol107-07-3KK0875000
2-Chloropropylene oxide106-89-8TX4900000
2-Chlorostyrene2039-87-4WL4160000
2-Chlorotoluene95-49-8XS9000000
2-Cresol95-48-7GO6300000
2-Cyano-1-propene126-98-7UD1400000
2-Cyano-2-propanol75-86-5OD9275000
2-Cyanopropene-1126-98-7UD1400000
3-Chloroallyl chloride542-75-6UC8310000
3-Chloropropene107-05-1UC7350000
3-Chloropropylene107-05-1UC7350000
3-Cresol108-39-4GO6125000
4-Carboxyphthalic anhydride552-30-7DC2050000
4-Chloronitrobenzene100-00-5CZ1050000
4-Cresol106-44-5GO6475000
6-Chloro-N-ethyl-N'- (1-methylethyl)-1,3,5-triazine-2,4-diamine1912-24-9XY5600000
bis(2-Chloroethyl)ether111-44-4KN0875000
bis(Cyclopentadienyl)iron102-54-5LK0700000
bis-Chloromethyl ether *542-88-1KN1575000
bis-CME542-88-1KN1575000
Cadmium dust (as Cd) *7440-43-9 (metal)EU9800000 (metal)
Cadmium fume (as Cd) *1306-19-0 (CdO)EV1930000 (CdO)
Cadmium metal7440-43-9 (metal)EU9800000 (metal)
Cadmium monoxide1306-19-0 (CdO)EV1930000 (CdO)
Cadmium oxide fume1306-19-0 (CdO)EV1930000 (CdO)
Calcium arsenate (as As) *7778-44-1CG0830000
Calcium carbimide156-62-7GS6000000
Calcium carbonate *471-34-1 (synthetic)
1317-65-3 (natural)		EV9580000
Calcium carbonate [Limestone]1317-65-3EV9580000
Calcium carbonate [Marble]1317-65-3EV9580000
Calcium cyanamide *156-62-7GS6000000
Calcium hydrate1305-62-0EW2800000
Calcium hydrosilicate1344-95-2VV9150000
Calcium hydroxide *1305-62-0EW2800000
Calcium metasilicate1344-95-2VV9150000
Calcium monosilicate1344-95-2VV9150000
Calcium oxide *1305-78-8EW3100000
Calcium salt (2:3) of arsenic acid7778-44-1CG0830000
Calcium salt of carbonic acid471-34-1 (synthetic)
1317-65-3 (natural)		EV9580000
Calcium salt of silicic acid1344-95-2VV9150000
Calcium salt of sulfuric acid7778-18-9WS6920000
Calcium silicate *1344-95-2VV9150000
Calcium sulfate *7778-18-9WS6920000
Calcium sulfate hemihydrate26499-65-0TP0700000
Calcium(II) sulfate dihydrate13397-24-5MG2360000
Camphor (synthetic) *76-22-2EX1225000
Cane sugar57-50-1WN6500000
Caprolactam *105-60-2CM3675000
Captafol *2425-06-1GW4900000
Captan *133-06-2GW5075000
Captane133-06-2GW5075000
Captofol2425-06-1GW4900000
Carbamaldehyde75-12-7LQ0525000
Carbaryl *63-25-2FC5950000
Carbicron®141-66-2TC3850000
Carbimide420-04-2GS5950000
Carbinol67-56-1PC1400000
Carbodiimide420-04-2GS5950000
Carbofuran *1563-66-2FB9450000
Carbolic acid108-95-2SJ3325000
Carbomethene463-51-4OA7700000
Carbon bisulfide75-15-0FF6650000
Carbon black *1333-86-4FF5800000
Carbon bromide558-13-4FG4725000
Carbon chloride56-23-5FG4900000
Carbon difluoride oxide353-50-4FG6125000
Carbon dioxide *124-38-9FF6400000
Carbon disulfide *75-15-0FF6650000
Carbon fluoride oxide353-50-4FG6125000
Carbon hexachloride67-72-1KI4025000
Carbon monoxide *630-08-0FG3500000
Carbon nitride460-19-5GT1925000
Carbon oxide630-08-0FG3500000
Carbon oxychloride75-44-5SY5600000
Carbon oxyfluoride353-50-4FG6125000
Carbon silicide409-21-2VW0450000
Carbon tet56-23-5FG4900000
Carbon tetrabromide *558-13-4FG4725000
Carbon tetrachloride *56-23-5FG4900000
Carbonate magnesium546-93-0OM2470000
Carbonic acid gas124-38-9FF6400000
Carbonyl chloride75-44-5SY5600000
Carbonyl dichloride75-44-5SY5600000
Carbonyl difluoride353-50-4FG6125000
Carbonyl fluoride *353-50-4FG6125000
Carborundum®409-21-2VW0450000
Carboxyethane79-09-4UE5950000
Catechol *120-80-9UX1050000
Caustic lime1305-62-0EW2800000
Caustic potash1310-58-3TT2100000
Caustic soda1310-73-2WB4900000
CB74-97-5PA5250000
CBM74-97-5PA5250000
Cellosolve®110-80-5KK8050000
Cellosolve® acetate111-15-9KK8225000
Cellulose *9004-34-6FJ5691460
Celtium7440-58-6MG4600000
Cement65997-15-1VV8770000
Cemented tungsten carbide1: 11107-01-0
2: 12718-69-3
3: 37329-49-0		1: YO7350000,2: YO7525000,3: YO7700000
Cemented WC1: 11107-01-0
2: 12718-69-3
3: 37329-49-0		1: YO7350000,2: YO7525000,3: YO7700000
Cesium hydrate21351-79-1FK9800000
Cesium hydroxide *21351-79-1FK9800000
Cesium hydroxide dimer21351-79-1FK9800000
Cetyl mercaptan2917-26-2
CFC-11376-13-1KJ4000000
Channel black1333-86-4FF5800000
China clay1332-58-7GF1670500
Chlorcyan506-77-4GT2275000
Chlordan57-74-9PB9800000
Chlordane *57-74-9PB9800000
Chlordano57-74-9PB9800000
Chlordecone143-50-0PC8575000
Chlorinated camphene *8001-35-2XW5250000
Chlorinated diphenyl oxide *
Chlorine *7782-50-5FO2100000
Chlorine cyanide506-77-4GT2275000
Chlorine dioxide *10049-04-4FO3000000
Chlorine fluoride7790-91-2FO2800000
Chlorine fluoride oxide7616-94-6SD1925000
Chlorine oxide10049-04-4FO3000000
Chlorine oxyfluoride7616-94-6SD1925000
Chlorine peroxide10049-04-4FO3000000
Chlorine trifluoride *7790-91-2FO2800000
Chloroacetaldehyde *107-20-0AB2450000
Chloroacetaldehyde (40% aqueous solution)107-20-0AB2450000
Chloroacetic acid chloride79-04-9AO6475000
Chloroacetic chloride79-04-9AO6475000
Chloroacetyl chloride *79-04-9AO6475000
Chlorobenzene *108-90-7CZ0175000
Chlorobenzol108-90-7CZ0175000
Chlorobromomethane *74-97-5PA5250000
Chlorobutadiene126-99-8EI9625000
Chlorocamphene8001-35-2XW5250000
Chlorochromic anhydride14977-61-8GB5775000
Chlorocyanide506-77-4GT2275000
Chlorocyanogen506-77-4GT2275000
Chlorodifluoromethane *75-45-6PA6390000
Chlorodimethyl ether107-30-2KN6650000
Chlorodiphenyl (42% chlorine) *53469-21-9TQ1356000
Chlorodiphenyl (54% chlorine) *11097-69-1TQ1360000
Chloroethane75-00-3KH7525000
Chloroethene75-01-4KU9625000
Chloroethylene75-01-4KU9625000
Chlorofluorocarbon-11376-13-1KJ4000000
Chloroform *67-66-3FS9100000
Chloroformic acid dimethylamide79-44-7FD4200000
Chloroformyl chloride75-44-5SY5600000
Chloromethane74-87-3PA6300000
Chloromethoxymethane107-30-2KN6650000
Chloromethyl ether542-88-1KN1575000
Chloromethyl methyl ether *107-30-2KN6650000
Chloromethyl phenyl ketone532-27-4AM6300000
Chloromethylbenzene100-44-7XS8925000
Chloropentafluoroethane *76-15-3KH7877500
Chloropicrin *76-06-2PB6300000
Chloroprene126-99-8EI9625000
Chlorothene71-55-6KJ2975000
Chlorotrifluoride7790-91-2FO2800000
Chlorpyrifos *2921-88-2TF6300000
Chlorpyrifos-ethyl2921-88-2TF6300000
Chrome7440-47-3GB4200000
Chromic acid (CrO3)1333-82-0 (CrO3)GB6650000 (CrO3)
Chromic acid and chromates *1333-82-0 (CrO3)GB6650000 (CrO3)
Chromic anhydride1333-82-0 (CrO3)GB6650000 (CrO3)
Chromic oxide1333-82-0 (CrO3)GB6650000 (CrO3)
Chromic oxychloride14977-61-8GB5775000
Chromium7440-47-3GB4200000
Chromium chloride oxide14977-61-8GB5775000
Chromium dichloride dioxide14977-61-8GB5775000
Chromium dioxide dichloride14977-61-8GB5775000
Chromium dioxychloride14977-61-8GB5775000
Chromium metal *7440-47-3GB4200000
Chromium oxychloride14977-61-8GB5775000
Chromium trioxide1333-82-0 (CrO3)GB6650000 (CrO3)
Chromium(II) compounds (as Cr) *
Chromium(III) compounds (as Cr) *
Chromium(VI) oxide (1:3)1333-82-0 (CrO3)GB6650000 (CrO3)
Chromyl chloride *14977-61-8GB5775000
Chrysene65996-93-2GF8655000
Chrysotile1332-21-4CI6475000
CI-212108-13-3OP1450000
Cinerin I or II8003-34-7UR4200000
Clay1332-58-7GF1670500
Clopidol *2971-90-6UU7711500
CMME107-30-2KN6650000
Coal dust *GF8281000
Coal mine dustGF8281000
Coal tar65996-93-2GF8655000
Coal tar pitch volatiles *65996-93-2GF8655000
Cobalt carbonyl (as Co) *10210-68-1GG0300000
Cobalt hydrocarbonyl (as Co) *16842-03-8GG0900000
Cobalt metal dust7440-48-4GF8750000
Cobalt metal dust and fume (as Co) *7440-48-4GF8750000
Cobalt metal fume7440-48-4GF8750000
Cobalt octacarbonyl10210-68-1GG0300000
Cobalt tetracarbonyl dimer10210-68-1GG0300000
Coke oven emissions *GH0346000
Colloidal manganese7439-96-5 (metal)OO9275000 (metal)
Colloidal mercury7439-97-6 (metal)OV4550000 (metal)
Cologne spirit64-17-5KQ6300000
Columbian spirits67-56-1PC1400000
Combustion Improver-212108-13-3OP1450000
Compressed petroleum gas68476-85-7SE7545000
Confectioner's sugar57-50-1WN6500000
Copper (dusts and mists, as Cu) *7440-50-8GL5325000
Copper fume (as Cu) *1317-38-0 (CuO)GL7900000 (CuO)
Copper metal dusts7440-50-8GL5325000
Copper metal fumes7440-50-8GL5325000
Copper monoxide fume1317-38-0 (CuO)GL7900000 (CuO)
Copper(II) oxide fume1317-38-0 (CuO)GL7900000 (CuO)
Corn starch9005-25-8GM5090000
Corundum1302-74-5 (corundum)GN0231000 (corundum)
Cotton dust (raw) *GN2275000
Coyden®2971-90-6UU7711500
Crag® herbicide *136-78-7KK4900000
Crag® herbicide No. 1136-78-7KK4900000
Cristobalite14808-60-7VV7330000
Crocidolite (Riebeckite)1332-21-4CI6475000
Crotonaldehyde *4170-30-3GP9499000
Crude solvent coal tar naphtha8030-30-6DE3030000
Crufomate *299-86-5TB3850000
Cryocide15096-52-3WA9625000
Cryodust15096-52-3WA9625000
Cryolite15096-52-3WA9625000
CS2698-41-1OO3675000
Cucumber dust7778-44-1CG0830000
Cumene *98-82-8GR8575000
Cumol98-82-8GR8575000
Cupric oxide fume1317-38-0 (CuO)GL7900000 (CuO)
Cyanamide [Calcium cyanamide]156-62-7GS6000000
Cyanamide [Hydrogen cyanamide] *420-04-2GS5950000
Cyanoacetonitrile109-77-3OO3150000
Cyanoethane107-12-0UF9625000
Cyanoethylene107-13-1AT5250000
Cyanogen *460-19-5GT1925000
Cyanogen chloride *506-77-4GT2275000
Cyanogen nitride420-04-2GS5950000
Cyanohydrin-2-propanone75-86-5OD9275000
Cyanomethane75-05-8AL7700000
Cyanomethanol107-16-4AM0350000
Cyclohexane *110-82-7GU6300000
Cyclohexanethiol *1569-69-3GV7525000
Cyclohexanol *108-93-0GV7875000
Cyclohexanone *108-94-1GW1050000
Cyclohexene *110-83-8GW2500000
Cyclohexyl alcohol108-93-0GV7875000
Cyclohexyl ketone108-94-1GW1050000
Cyclohexylamine *108-91-8GX0700000
Cyclohexylmercaptan1569-69-3GV7525000
Cyclohexylmethane108-87-2GV6125000
Cyclohexylthiol1569-69-3GV7525000
Cyclonite *121-82-4XY9450000
Cyclopentadiene *542-92-7GY1000000
Cyclopentadienyl tricarbonyl manganese12079-65-1OO9720000
Cyclopentadienylmanganese tricarbonyl12079-65-1OO9720000
Cyclopentane *287-92-3GY2390000
Cyclotrimethylenetrinitramine121-82-4XY9450000
Cyhexatin *13121-70-5WH8750000
di-mu-Carbonylhexacarbonyldicobalt10210-68-1GG0300000
epsilon-Caprolactam105-60-2CM3675000
m-Cresol *108-39-4GO6125000
m-Cresylic acid108-39-4GO6125000
meta-Cresol108-39-4GO6125000
o-Chlorobenzylidene malononitrile *2698-41-1OO3675000
o-Chlorostyrene *2039-87-4WL4160000
o-Chlorotoluene *95-49-8XS9000000
o-Cresol *95-48-7GO6300000
o-Cresylic acid95-48-7GO6300000
ortho-Cresol95-48-7GO6300000
para-Cresol106-44-5GO6475000
p-Chloronitrobenzene100-00-5CZ1050000
p-Cresol *106-44-5GO6475000
p-Cresylic acid106-44-5GO6475000
a-Chloroacetophenone *532-27-4AM6300000
Page last reviewed: October 17, 2018
Content source: National Institute for Occupational Safety and Health