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3,3'-Dichlorobenzidine
CAS ID #: 91-94-1
Affected Organ Systems: None
Cancer Classification: NTP: Reasonably anticipated to be a human carcinogen
Please contact NTP, IARC, or EPA’s IRIS Hotline with questions on cancer and cancer classification.
Chemical Classification: NoneSummary: 3,3'-Dichlorobenzidine is a gray-to-purple colored crystalline solid. It changes from a solid to a gas very slowly. 3,3'-Dichlorobenzidine salt is the major form in actual use. It is a stable, off-white colored crystalline solid that does not evaporate. Neither 3,3'-dichlorobenzidine nor its salt are found naturally in the environment. They are manufactured for pigments for printing inks, textiles, plastics and enamels, paint, leather, and rubber.
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Summary about a hazardous substance taken from Chapter One of its respective ATSDR Toxicological Profile.
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Addendum to the Toxicological Profile for 3,3'-Dichlorobenzidine (May 2010)
Prioritization of substances based on a combination of their frequency, toxicity, and potential for human exposure at National Priorities List (NPL) sites.
- 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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