Cadmium and compounds, as Cd

CAS numbers: 7440-43-9

Calcium carbonate

Alternative names: marble, aragonite, calcite, calcium carbonate, vaterite, limestone
CAS numbers: 471-34-1, 1317-65-3

Calcium cyanamide

Alternative names: calcium carbimide, lime nitrogen
CAS numbers: 156-62-7

Calcium hydroxide

Alternative names: slaked lime, hydrated lime, lime hydrate
CAS numbers: 1305-62-0

Calcium oxide

Alternative names: quicklime, burnt lime
CAS numbers: 1305-78-8

Calcium silicate

Alternative names: silicic acid, calcium salt
CAS numbers: 1344-95-2

Calcium sulphate

Alternative names: gypsum, Plaster of Paris
CAS numbers: 7778-18-9

Camphene

Alternative names: turpentine
, monoterpene
CAS numbers: 79-92-5

Camphor, synthetic

Alternative names: DL-camphor
CAS numbers: 76-22-2

Caprolactam (dust and vapour)

CAS numbers: 105-60-2

Captafol

Alternative names: merpafol
CAS numbers: 2425-06-1

Captan

Alternative names: N-trichloromethylthio 4 cyclohexane 1,2 dicarboximide, N-trichloromethylthio-4-cyclohexane-1,2-dicarboximide
CAS numbers: 133-06-2

Carbaryl

Alternative names: carbaril, 1-naphthyl N-methylcarbamate
CAS numbers: 63-25-2

Carbofuran

CAS numbers: 1563-66-2

Carbon black

CAS numbers: 1333-86-4

Carbon dioxide

CAS numbers: 124-38-9

Carbon disulphide

Alternative names: carbon bisulphide
CAS numbers: 75-15-0

Carbon monoxide

CAS numbers: 630-08-0

Carbon tetrabromide

Alternative names: tetrabromomethane
CAS numbers: 558-13-4

Carbon tetrachloride

Alternative names: tetrachloromethane, perchloromethane, R 10 (refrigerant)
CAS numbers: 56-23-5

Carbonyl fluoride

Alternative names: carbonyl difluoride, fluorophosgene
CAS numbers: 353-50-4

δ-3-Carene

Alternative names: turpentine, delta-3-carene, monoterpene
CAS numbers: 13466-78-9

Catechol

Alternative names: pyrocatechol, 1,2-benzenediol, 1,2-dihydroxybenzene, 1,3-dihydroxybenzene, 2-hydroxyphenol
CAS numbers: 120-80-9

Cellulose

Alternative names: paper fibre
CAS numbers: 9004-34-6

Cement

Alternative names: portland cement
CAS numbers: 65997-15-1

Chlorinated diphenyl oxide

CAS numbers: 31242-93-0

Chlorine

CAS numbers: 7782-50-5

Chlorine dioxide

CAS numbers: 10049-04-4

Chloroacetaldehyde

Alternative names: chloroethanal
CAS numbers: 107-20-0

Chloroacetone

Alternative names: chloropropanone
CAS numbers: 78-95-5

Chloroacetophenone

Alternative names: phenacyl chloride, 2-chloroacetophenone
CAS numbers: 532-27-4

Chloroacetyl chloride

CAS numbers: 79-04-9

Chlorobenzene

Alternative names: monochlorobenzene, phenyl chloride, benzene chloride
CAS numbers: 108-90-7

o-Chlorobenzylidene malononitrile

Alternative names: alonitrile
CAS numbers: 2698-41-1

Chlorodifluoromethane

Alternative names: difluorochloromethane
CAS numbers: 75-45-6

2-Chloroethanol

Alternative names: ethylene chlorohydrin, 2-chlorethanol, 2-chloroethyl alcohol
CAS numbers: 107-07-3

Chloroform

Alternative names: trichloromethane, refrigerant R20
CAS numbers: 67-66-3

bis(Chloromethyl) ether

Alternative names: chloromethyl ether, BCME
CAS numbers: 542-88-1

Chloropentafluoroethane

Alternative names: pentafluoroethyl chloride
CAS numbers: 76-15-3

Chloropicrin

Alternative names: nitrochloromethane, trichloronitromethane, nitrochloroform
CAS numbers: 76-06-2

β-Chloroprene

Alternative names: 2-chloro-1,3- butadiene, beta-chloroprene
CAS numbers: 126-99-8

2-Chloropropionic acid

Alternative names: 2-chloropropanoic acid
CAS numbers: 598-78-7

o-Chlorostyrene

Alternative names: 1-chloro-2-vinylbenzene, 1-chloro-2-ethenylbenzene
CAS numbers: 2039-87-4

Chlorosulphonic acid

Alternative names: chlorosulphuric acid
CAS numbers: 7790-94-5

o-Chlorotoluene

Alternative names: 1-chloro-2-methylbenzene
CAS numbers: 95-49-8

Chlorpyrifos

CAS numbers: 2921-88-2

Chromium (III) compounds, as Cr

CAS numbers: 16065-83-1

Chromium (VI) compounds, as Cr

Alternative names: lead chromate, as Cr; strontium chromate, as Cr; calcium chromate, as Cr; zinc chromate, as Cr; zinc potassium chromate, as Cr; P.I. Pigment Yellow, as Cr; chromyl chloride, as Cr
CAS numbers: 7758-97-6, 7789-06-2, 13765-19-0, 1350-65-9, 11103-86-9, 37300-23-5, 14977-61-8

Chromium metal

CAS numbers: 7440-47-3

Coal dust

CAS numbers:

Cobalt carbonyl, as Co

CAS numbers: 10210-68-1

Cobalt metal dust and fume, as Co

CAS numbers: 7440-48-4

Cotton dust, raw

CAS numbers:

m-Cresol

Alternative names: 3-methylphenol, metacresol, 3-hydroxytoluene
CAS numbers: 108-39-4

o-Cresol

Alternative names: 2-methylphenol, orthocresol, 2-hydroxytoluene
CAS numbers: 95-48-7

p-Cresol

Alternative names: 4-methylphenol, paracresol, 4-hydroxytoluene
CAS numbers: 106-44-5

Crotonaldehyde

Alternative names: 2-butenal, crotonal
CAS numbers: 4170-30-3

Cumene

Alternative names: isopropylbenzene, 2-phenylpropane
CAS numbers: 98-82-8

Cyanamide

Alternative names: hydrogen cyanamide, carbamonitrile, amidocyanogen
CAS numbers: 420-04-2

Cyanogen chloride

Alternative names: chlorine cyanide, chlorocyanogen
CAS numbers: 506-77-4

Cyclohexane

Alternative names: hexamethylene
CAS numbers: 110-82-7

Cyclohexanol

Alternative names: cyclohexyl alcohol
CAS numbers: 108-93-0

Cyclohexanone

Alternative names: ketohexamethylene
CAS numbers: 108-94-1

Cyclohexene

Alternative names: tetrahydrobenzene, benzene tetrahydride
CAS numbers: 110-83-8

Cyclohexylamine

Alternative names: aminocyclohexane, hexahydroaniline
CAS numbers: 108-91-8

Cyclopentadiene

Alternative names: 1,3-cyclopentadiene, pyropentylene
CAS numbers: 542-92-7

Cyclopentane

Alternative names: pentamethylene
CAS numbers: 287-92-3