Benzidine

CAS ID#: 92-87-5

Affected Organ Systems: Cancer, Gastrointestinal (Stomach and Intestines, part of the digestive system), Hepatic (Liver), Renal (Urinary System or Kidneys)

Cancer Classification: Please contact NTP, IARC, or EPA with questions on cancer and cancer classification.

Chemical Classification: Benzidines/Aromatic amines

Summary: 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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Emergency Responders

Managing Hazardous Materials Incidents (MHMIs)pdf icon[288 KB] - What is the managing hazardous material incidents (MHMI) series?

The MHMI series is a three volume set (with a video) comprised of recommendations for on-scene (pre-hospital), and hospital medical management of patients exposed during a hazardous materials incident.

Toxicological and Health Professionals

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Page last reviewed: February 10, 2021

Content source: Agency for Toxic Substances and Disease Registry