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Carcinogens Regulated by Cal/OSHA

Check your chemical inventory for Cal/OSHA-regulated carcinogens that have special reporting, storage, and handling requirements.

California Division of Occupational Safety and Health (Cal/OSHA) has designated a list of regulated carcinogens in the California Code of Regulations, Section 5209.

Requirement for researchers

Researchers using the Cal/OSHA-regulated carcinogens listed below must:

Cal/OSHA-Regulated Carcinogens

Chemical name CAS number
2-Acetylaminofluorene 53-96-3
Acrylonitrile 107-13-1
3-Aminodiphenyl 92-67-1
Arsenic, inorganic (specify compounds) 7440-38-2
Asbestos (specify material) 1332-21-4
Benzene 71-43-2
Benzidine (and its salts) 92-87-5
Bis-chloromethyl ether 542-88-1
Coke oven emmissions 00-00-0
1,2-Dibromo-3-chloropropane 96-12-8
3,3'-Dichlorobenzidine 91-94-1
4-Dimethylaminoazobenzene 60-11-7
Ethylene dibromide 106-93-4
Ethylene oxide 75-21-8
Ethyleneimine 151-56-4
Formaldehyde 50-00-0
Methyl chloromethyl ether 107-30-2
4,4'-Methylene bis-(2-chloroaniline) 101-14-4
Alpha-naphthylamine 134-32-7
Beta-naphthylamine 91-59-8
4-Nitrobiphenyl 92-93-3
N-Nitroso dimethylamine 62-75-9
Beta-propiolactone 57-57-8
Vinyl chloride 75-01-4