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OSHA Chemical Data Table
Chemical Name CAS # Analyte code (IMIS #) Synonyms
CARBON DIOXIDE †
124-38-9
  • 0530
  • 0530

carbonic acid gas; dry ice
CARBON DISULFIDE †
75-15-0
  • 0540

carbon bisulfide
CARBON MONOXIDE †
630-08-0
  • 0560
  • 0560
  • C730 (COHb)

carbon oxide; flue gas; monoxide; carboxyhemoglobin/COHb
CARBON TETRABROMIDE 558-13-4

carbon bromide; methane tetrabromide; tetrabromomethane
CARBON TETRACHLORIDE (TETRACHLOROMETHANE) 56-23-5
  • 0570

carbon chloride; carbon tet; Freon® 10; Halon® 104; tetrachloromethane
CARBONYL FLUORIDE 353-50-4
  • C105

carbon difluoride oxide; carbon fluoride oxide; carbon oxyfluoride; carbonyl difluoride; fluoroformyl fluoride; fluorophosgene
CARBONYL SULFIDE 463-58-1
  • R220

carbon oxide sulfide, carbon oxysulfide
CATECHOL 120-80-9
  • 0571

1,2-benzenediol; o-benzenediol; 1,2-dihydroxybenzene; o-dihydroxybenzene; 2-hydroxyphenol; pyrocatechol
CELLULOSE †
9004-34-6
  • 0575 (total); request using analyte code 9135
  • C124 (resp); request using analyte code 9130

hydroxycellulose; pyrocellulose
CESIUM HYDROXIDE 21351-79-1

cesium hydrate; cesium hydroxide dimer
CHLORDANE †
57-74-9
  • 0611

Chlordan; Chlordano; 1,2,4,5,6,7,8,8-octachloro-3a,4,7,7a-tetrahydro-4,7-methanoindane
CHLORINATED CAMPHENE (TOXAPHENE) †
8001-35-2
  • 0612

toxaphene; chlorocamphene; octachlorocamphene; polychlorocamphene
CHLORINATED DIPHENYL OXIDE †
6973-37-1; 31242-93-0
  • 0613

Synonyms depend on the degree of chlorination of diphenyl oxide [(C₆H₅)₂O], ranging from monochlorodiphenyl oxide [(C₆H₄Cl)O(C₆H₅)] to decachlorodiphenyl
CHLORINE †
7782-50-5
  • 0640

molecular chlorine; bleach
CHLORINE DIOXIDE †
10049-04-4
  • 0614

chlorine oxide; chlorine peroxide
CHLORINE TRIFLUORIDE †
7790-91-2
  • 0615

chlorine fluoride; chlorotrifluoride
CHLOROACETALDEHYDE (2-CHLOROETHANAL) †
107-20-0
  • 0617

chloroacetaldehyde (40% aqueous solution); 2-chloroacetaldehyde; 2-chloroethanal
CHLOROACETONE 78-95-5

acetonyl chloride; ⍺-chloroacetone; chloropropanone; methyl chloromethyl ketone
CHLOROACETYL CHLORIDE 79-04-9

chloroacetic acid chloride; chloroacetic chloride; monochloroacetyl chloride
CHLOROBENZENE †
108-90-7
  • 0620

benzene chloride; chlorobenzol; MCB; monochlorobenzene; phenyl chloride
CHLOROBROMOMETHANE †
74-97-5
  • 0627

bromochloromethane; methylene chlorobromide; methylene bromochloride; mono-chloro-mono-bromo-methane; chloromethylbromide; CB; CBM; Halon 1011
CHLORODIFLUOROMETHANE 75-45-6

difluorochloromethane; Fluorocarbon-22, Freon22; Genetron22; monochlorodifluoromethane; Refrigerant 22
CHLORODIPHENYL, 42% CHLORINE (PCB) †
53469-21-9
  • 0630

Aroclor1242; PCB; polychlorinated biphenyl
CHLORODIPHENYL, 54% CHLORINE (PCB) †
11097-69-1
  • 0631

Aroclor1254; PCB; polychlorinated biphenyl
CHLOROFORM (TRICHLOROMETHANE) †
67-66-3
  • 0670

methane trichloride; trichloromethane
CHLOROMETHYL METHYL ETHER †
107-30-2
  • 2640

chlorodimethyl ether; chloromethoxymethane; CMME; dimethylchloroether; methylchloromethyl ether
CHLOROPENTAFLUOROETHANE 76-15-3

Fluorocarbon-115; Freon115; Genetron115; Halocarbon 115; monochloropentafluoroethane
CHLOROPICRIN (NITROTRICHLOROMETHANE) †
76-06-2
  • 0675

nitrochloroform; nitrotrichloromethane; trichloronitromethane
CHLORPYRIFOS 2921-88-2
  • 0681

chlorpyrifos-ethyl; O,O-diethyl O-3,5,6-trichloro-2-pyridyl phosphorothioate; Dursban; phosphorothioate; phosphorothioic acid
CHROMIC ACID & CHROMATES ‡
7738-94-5, 1333-82-0, 7738-94-5 (Chromic Acid), 18540-29-9 (Cr VI), 7788-98-9, 7789-09-5, 12231-18-4, 12000-34-9, 10294-40-3, 54692-53-4, 1344-38-3, 13765-19-0, 14986-48-2, 12324-08-2, 12324-05-9, 14977-61-8, 8049-64-7, 7758-97-6, 1344-37-2, 7789-00-6
  • 0689
  • 0689 - WIPE

chromic acid, chromic anhydride, chromic oxide, chromium(VI) oxide (1:3), chromium trioxide, ammonium chromate, ammonium dichromate, barium chromate, basic lead chromate, calcium chromate, chromium [VI] chloride, chromium trioxide, chromyl chloride, lead chromate, potassium chromate, potassium dichromate, sodium chromate, sodium dichromate, strontium chromate, molybdenum orange, zinc chromate, zinc chromate hydroxides, zinc potassium chromates (hydroxides)
CHROMIUM VI COMPOUNDS (HEXAVALENT CHROMIUM) ‡
18540-29-9 (Cr VI), 7788-98-9, 7789-09-5, 12231-18-4, 12000-34-9, 10294-40-3, 54692-53-4, 1344-38-3, 13765-19-0, 14986-48-2, 12324-08-2, 12324-05-9, 14977-61-8, 8049-64-7, 7758-97-6, 1344-37-2, 7789-00-6, 7778-50-9, 7775-11-3, 12018-32-5, 10588-01-9
  • 0689
  • 0689 - WIPE

chromic anhydride, chromic oxide, chromium(VI) oxide (1:3), chromium trioxide, ammonium chromate, ammonium dichromate, barium chromate, basic lead chromate, calcium chromate, chromium [VI] chloride, chromium trioxide, chromyl chloride, lead chromate, potassium chromate, potassium dichromate, sodium chromate, sodium dichromate, strontium chromate, molybdenum orange, zinc chromate, zinc chromate hydroxides, zinc potassium chromates (hydroxides)
CHROMIUM, METAL & INSOLUBLE SALTS (as Cr) †
7440-47-3
  • 0685

chrome; chromium
CHROMIUM(II) COMPOUNDS (as Cr) †
7440-47-3

Synonyms vary depending upon the specific Chromium(II) compound. [Note: Chromium(II) compounds include soluble chromous salts.]
CHROMIUM(III) COMPOUNDS (as Cr) †
7440-47-3

Synonyms vary depending upon the specific Chromium(III) compound. [Note: Chromium(III) compounds include soluble chromic salts.]
CHRYSENE †
218-01-9
  • 0692

1,2-benzophenanthrene, benzo(a)phenanthrene, 1,2,5,6-dibenzonaphthalene, 1,2-benzphenanthrene, benz(a)phenanthrene
CLOPIDOL †
2971-90-6
  • 0693 (total); request using analyte code 9135
  • C148 (resp); request using analyte code 9130

Coyden; 3,5-dichloro-2,6-dimethyl-4-pyridinol
COAL DUST (<5% SiO₂), Respirable Fraction †
NO CAS
  • 9040 (resp); request using analyte code 9130

anthracite coal dust; bituminous coal dust; lignite coal dust
COAL DUST (≥5% SiO₂), Respirable Fraction †
NO CAS

anthracite coal dust; bituminous coal dust; lignite coal dust
COAL TAR PITCH VOLATILES (BENZENE-SOLUBLE FRACTION), (PYRENE, PHENANTHRENE, ACRIDINE, CHRYSENE, ANTHRACENE AND BENZO(A)PYRENE) ‡
65996-93-2
  • 0700

coal tar pitch high temperature; oil pitch; pitch; CTPHT; coal tar distillates; other synonyms vary depending upon the specific compound (e.g., pyrene, phenanthrene, acridine, chrysene, anthracene and benzo(a)pyrene).
COBALT CARBONYL (as Co) 10210-68-1; 37264-96-3

di-µ-carbonylhexacarbonyldicobalt; cobalt octacarbonyl; cobalt tetracarbonyl dimer; dicobalt carbonyl; dicobalt octacarbonyl; octacarbonyldicobalt
COBALT HYDROCARBONYL 16842-03-8

hydrocobalt tetracarbonyl; tetracarbonylhydridocobalt; tetracarbonylhydrocobalt
COBALT METAL, DUST & FUME (as Co) †
7440-48-4
  • 0720
  • 0720

cobalt metal dust; cobalt metal fume; cobalt metal powder; elemental cobalt
COKE OVEN EMISSIONS ‡
NO CAS
  • 0725

Varies upon specific constituents.
COMBUSTIBLE MATERIAL
  • M110
COMMAND 81777-89-1
  • C229

Clomazone; dimethazone, Command herbicide, Gamit
COPPER, DUSTS & MISTS (as Cu) †
7440-50-8 (copper), 1317-38-0 (copper oxide)
  • 0730
  • 0730

copper metal dusts; copper metal fume; black copper oxide fume; copper monoxide fume; copper(II) oxide fume; cupric oxide fume
COPPER, FUME (as Cu) †
7440-50-8 (copper); 1317-38-0 (copper oxide)
  • 0731
  • See 0730

copper metal dusts; copper metal fume; black copper oxide fume; copper monoxide fume; copper(II) oxide fume; cupric oxide fume
COTTON DUST (RAW) ‡
NO CAS
  • 0735

raw cotton dust
COUMAPHOS (CO-RAL) 56-72-4
  • 0736

Coumaphos; O,O-diethyl O-(3-chloro-4-methyl-2-oxo(2H)-1- benzopyran-7-yl)phosphorothioate; Diolice; Meldane; Muscatox; Resistox; Asuntol; Bay 21/199; Bazmix; Umbethion
CRAG® HERBICIDE (SESONE) †
136-78-7
  • 0737 (total); request using analyte code 9135
  • C149 (resp); request using analyte code 9130

Crag herbicide No. 1; 2-(2,4-dichlorophenoxy)ethyl sodium sulfate; Sesone; Ethanol, 2- (2,4-dichlorophenoxy), hydrogen sulfate, sodium salt; 2-(2,4-dichlorophenoxy)ethyl sodium sulfate; disul-sodium; sodium 2,4-dichlorophenyl cellosolve sulfate

† indicates that exposure to the analyte is subject to an OSHA PEL (e.g., Table Z-1) or other OSHA regulatory limit.
‡ indicates that exposure to the analyte is regulated under an OSHA expanded standard.