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. 2016 Sep 20;58(5):489–518. doi: 10.1539/joh.ROEL2016

Table III-1c.

Group 2B carcinogens

Substance CAS No. Year of proposal
Acetamide 60-35-5 '91
Acetoaldehyde 75-07-0 '91
o-Aminoazotoluene 97-56-3 '91
p-Aminoazobenzene 60-09-3 '91
Amitrole 61-82-5 '86
Antimony trioxide 1309-64-4 '91, ('13)
o-Anisidine 90-04-0 '91, ('96)
Anthraquinone 84-65-1 '15
Auramine (technical grade) 492-80-8 '86
Benzofuran 271-89-6 '15
Benzophenone 119-61-9 '15
Benzoyl chloride 98-88-4   '16
Benzyl violet 4B 1694-09-3 '91
2,2-Bis (bromomethyl) propane-1,3-diol 3296-90-0 '01
Bitumens 8052-42-4 '91
Bromodichloromethane 75-27-4 '95
n-Butyl-2,3-epoxypropyl ether 2426-08-6 '16
β-Butyrolactone 3068-88-0 '95
Carbon black 1333-86-4 '91
Carbon tetrachloride 56-23-5 '86
Catechol 120-80-9 '01
Chlordane 57-74-9 '01
Chlordecone (Kepone) 143-50-0 '01
Chlorendic acid 115-28-6 '91
Chlorinated paraffins '91
p-Chloroaniline 106-47-8 '95
Chloroform 67-66-3 '86, ('05)
1-Chloro-2-methylpropene 513-37-1 '01
3-Chloro-2-methylpropene 563-47-3 '01
Chlorophenoxy acetic acid herbicides* '86
p-Chloro-o-phenylenediamine 95-83-0 '91
Chloroprene 126-99-8 '01
Chlorothalonil 1897-45-6 '01
CI acid red 114 6459-94-5 '95
CI basic red 9 569-61-9 '95
CI direct blue 15 2429-74-5 '95
Citrus red No.2 6358-53-8 '91
Cobalt and compounds (without tungsten carbide)* 7440-48-4 '95
p-Cresidine 120-71-8 '91
Cumene 98-82-8 '15
Dantron 117-10-2 '15
N,N'-Diacetyl benzidine 613-35-4 '91
2,4-Diaminoanisole 615-05-4 '91
4,4'-Diaminodiphenyl ether 101-80-4 '91
2,4-Diaminotoluene 95-80-7 '91
1,2-Dibromo-3-chloropropane 96-12-8 '91
2,3-Dibromopropan-1-ol 96-13-9 '01
p-Dichlorobenzene 106-46-7 '91, ('98)
3,3'-Dichlorobenzidine 91-94-1 '86
1,4-Dichloro-2-butene 764-41-0 '15
3,3'-Dichloro-4,4'-diaminodiphenyl ether 28434-86-8 '91
1,2-Dichloroethane 107-06-2 '91
1,3-Dichloropropene (technical grade) 542-75-6 '91
1,3-Dichloro-2-propanol 96-23-1 '15
Dichlorvos 62-73-7 '01
Diepoxybutane 1464-53-5 '91
Diethanolamine 111-42-2 '15
Di (2-ethylhexyl) phthalate 117-81-7 '91
1,2-Diethylhydrazine 1615-80-1 '91
Diglycidyl resorcinol ether 101-90-6 '91
Diisopropyl sulfate 2973-10-6 '95
p-Dimethylaminoazobenzene 60-11-7 '91
2,6-Dimethylaniline 87-62-7 '95
3,3'-Dimethylbenzidine (o-Tolidine) 119-93-7 '91
N,N-Dimethylformamide 68-12-2 '91
1,1-Dimethylhydrazine 57-14-7 '91
3,3'-Dimethoxybenzidine (o-Dianisidine) 119-90-4 '86
2,4-(or 2,6-) Dinitrotoluene 121-14-2 '98
1,4-Dioxane 123-91-1 '86, ('15)
Disperseblue 1 2475-45-8 '91
DDT 50-29-3 '86
1,2-Epoxybutane 106-88-7 '01
Ethyl acrylate 140-88-5 '91
Ethylbenzene 100-41-4 '01
Ethyl methanesulphonate 62-50-0 '91
Ethylene thiourea 96-45-7 '86
Ethylenimine 151-56-4 '01
(2-Formylhydrazino)-4-(5-nitro-2-furyl) thiazole 3570-75-0 '91
Furan 110-00-9 '01
Gasoline 8006-61-9 '01
Glycidaldehyde 765-34-4 '91
Hexachlorocyclohexanes 319-84-6 '91
HC blue No. 1 2784-94-3 '95
Heptachlor 76-44-8 '01
Hexamethylphosphoramide 680-31-9 '01
Hydrazine (anhydrous) and Hydrazine hydrate 302-01-2, 7803-57-8 '86, ('98)
Isoprene 78-79-5 '95
Lead and compounds (except alkyl lead)* 7439-92-1 '91, ('16)
Magenta (containing CI basic red 9) 632-99-5 '95
Magnetic fields, extremely low-frequency '15
Man-made mineral fibers (Ceramic fibers, Micro glass fibers) '91, '03
2-Methylaziridine (Propylene imine) 75-55-8 '91
4,4'-Methylene bis (2-methylaniline) 838-88-0 '91
4,4'-Methylenedianiline 101-77-9 '91, ('95)
Methyl isobutyl ketone 108-10-1 '15
Methyl mercuries 7439-97-6 '95
2-Methyl-1-nitroanthraquinone 129-15-7 '91
N-Methyl-N-nitrosourethane 615-53-2 '91
α-Methylstyrene 98-83-9 '15
Mirex 2385-85-5 '01
Naphthalene 91-20-3 '15
Nickel compounds (except nickel carbonyl and nickel smelting dusts)* 7440-02-0 '81, '86, '91, ('09)
2-Nitroanisole 91-23-6 '98
Nitrobenzene 98-95-3 '98
Nitrilotriacetic acid and its salts 139-13-9 '91
Nitrogen mustard-N-oxide 126-85-2 '91
5-Nitroacenaphtene 602-87-9 '91
Nitromethane 75-52-5 '01
2-Nitropropane 79-46-9 '91
N-Nitrosodiethanolamine 1116-54-7 '01
N-Nitrosomorpholine 59-89-2 '91
Oil orange SS 2646-17-5 '91
PAHs (Benz[a]anthracene, Benz[j]aceanthrylene, Benzo[b]fluoranthene, Benzo[c]phenanthrene, Benzo[j]fluoranthene, Benzo[k]fluoranthene, Chrysene, Dibenz[a, h]acridine, Dibenz[c, h]acridine, Dibenzo[a, h]pyrene, Dibenzo[a, i]pyrene, 7H-Dibenzo[c, g]carbazole, 1,3-Dinitropyrene, 1, 6- Dinitropyrene, 1,8-Dinitropyrene, 5-Methylchrysene, 3-Nitrobenzanthrone, 4-Nitropyrene) 56-55-3, 202-33-5, 205-99-2, 195-19-7, 205-82-3, 207-08-9, 218-01-9, 226-36-8, 224-53-3, 189-64-0, 189-55-9, 194-59-2, 75321-20-9, 42397-64-8, 42397-65-9, 3697-24-3, 17117-34-9, 57835-92-4 '16
Phenyl glycidyl ether 122-60-1 '91
Polybrominated biphenyls 59536-65-1 '91
Polychlorophenols (technical grades) '86
Ponceau 3R 3564-9-8 '91
Ponceau MX 3761-53-3 '91
1,3-Propane sultone 1120-71-4 '91
β-Propiolactone 57-57-8 '91
Propylene oxide 75-56-9 '91, '95
Radiofrequency electromagnetic fields '15
Styrene 100-42-5 '91
1,1,2,2-Tetrachloroethane 79-34-5 '15
Tetrachloroethylene 127-18-4 '91, ('01)
Tetrafluoroethylene 116-14-3 '01
Tetranitromethane 509-14-8 '98
4,4'-Thiodianiline 139-65-1 '91
Thiourea 62-56-6 '95
Titanium dioxide 13463-67-7 '15
Toluene diisocyanates (TDI) 26471-62-5 '91
Trypane blue 72-57-1 '91
Urethane 51-79-6 '91
Vanadium pentoxide 1314-62-1 '15
Vinyl acetate 108-05-4 '98
4-Vinylcyclohexene 100-40-3 '95
4-Vinylcyclohexene diepoxide 106-87-6 '95
*Evaluation does not necessarily apply to all individual chemicals within the group.
Provisional.
( ) in the year of proposal indicates year of reconsideration resulting in no classification change.