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Is 3,3'-Dichlorobenzidine vegan?

3,3'-Dichlorobenzidine

Vegan

3,3'-Dichlorobenzidine is a synthetic chlorinated aromatic amine derived from benzidine, historically used in the production of diarylide yellow pigments, with use now restricted due to carcinogenicity concerns.

Also known as 3,3'-dichlorobiphenyl-4,4'-ylenediamine
INCI name 3,3'-Dichlorobenzidine
CAS number 91-94-1
EC number 202-109-0
CosIng ID 29179
Last reviewed 9 July 2026

Sources

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