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Benzidine
CAS ID #: 92-87-5
Affected Organ Systems: Hepatic (Liver), Immunological (Immune System), Neurological (Nervous System)
Cancer Classification: EPA: Confirmed human carcinogen. IARC: Carcinogenic to humans . NTP: Known to be a human carcinogen
Please contact NTP, IARC, or EPA’s IRIS Hotline with questions on cancer and cancer classification.
Chemical Classification: Benzidines/Aromatic aminesSummary: Benzidine is a manufactured chemical that does not occur naturally. It is a crystalline solid that may be grayish-yellow, white, or reddish-gray. In the environment, benzidine is found in either its "free" state (as an organic base), or as a salt. Benzidine was used to produce dyes for cloth, paper, and leather. It is no longer produced or used commerically in the U.S.
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- Page last reviewed: March 3, 2011
- Page last updated: March 3, 2011
- Content source: Agency for Toxic Substances and Disease Registry
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