National Toxicology Program

National Toxicology Program

Testing Status of 3,3'-Dihydroxybenzidine - 10896-W


CASRN: 2373-98-0

Formula: C12-H12-N2-O2

Synonyms/Common Names

  • (1,1'-Biphenyl)-3,3'-diol, 4,4'-diamino-

Known Uses

Chemical intermediate for C.I. Direct blue 84, 95, 98 & 166

Chemical Properties

Toxicity Effects (HSDB)

Genetic Toxicology

  • Salmonella  (A20942)  Completed 
    •  Positive 
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.