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. 2018 Sep 20;60(5):419–542. doi: 10.1539/joh.ROEL2018

Table III-1b.

Group 2A carcinogens

Substance CAS No. Year of proposal
**Dyes metabolized to benzidine.
Provisional.
( ) in the year of proposal indicates year of reconsideration resulting in no classification change.
Acrylamide 79-06-1 '91, '95, ('04)
Acrylonitrile 107-13-1 '86
Benzal chloride 98-87-3 '91, '01
Benzyl chloride 100-44-7 '91, '01
Chloromethyl methyl ether (technical grade) 107-30-2 '92, ('01)
4-Chloro-o-toluidine 95-69-2 '91, '01
CI Direct Black 38** 1937-37-7 '86, '91, '95, '01, ('15)
CI Direct Blue 6** 2602-46-2 '86, '91, '95, '01, ('15)
CI Direct Brown 95** 16071-86-6 '86, '91, '95, '01, ('15)
Cobalt metal with tungsten carbide 7440-48-4, 12070-12-1 '16
Creosotes 8001-58-9 '91
1,2-Dibromoethane 106-93-4 '86, '95, '01
3,3'-Dichloro-4,4'-diaminodiphenylmethane (MBOCA) 101-14-4 '93, ('12)
Dichloromethane 75-09-2 '91, '14, '15
Diethyl sulphate 64-67-5 '86
Dimethyl sulphate 77-78-1 '86
Dimethylcarbamoyl chloride 79-44-7 '86, '91
Epichlorohydrin 106-89-8 '86, '91
2,3-Epoxypropyl methacrylate (Glycidyl methacrylate, GMA) 106-91-2 '18
Formaldehyde 50-00-0 '86, '91, ('07), ('17)
Glycidol 556-52-5 '01
Indium and compounds (inorganic, hardly, soluble) 7440-74-6 '13, ('17)
2-Nitrotoluene 88-72-2 '18
PAHs (Cyclopenta [c,d] pyrene, Dibenz [a,h] anthracene, Dibenz [a,j] acridine, Dibenzo [a,l] pyrene,
1-Nitropyrene, 6-Nitrochrysene)
27208-37-3, 53-70-3, 224-42-0, 191-30-0, 5522-43-0, 7496-02-8 '16
1,3-Propane sultone 1120-71-4 '91, '17
Styrene oxide 96-09-3 '92
1,2,3-Trichloropropane 96-18-4 '01
Tris (2,3-dibromopropyl) phosphate 126-72-7 '91
Vinyl bromide 593-60-2 '91
Vinyl fluoride 75-02-5 '98