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Testing Status of 3,3'-Dichlorobenzidine dihydrochloride 10897-A


CASRN: 612-83-9

Formula: C12-H10-Cl2-N2.2Cl-H

Synonyms/Common Names

  • (1,1'-Biphenyl)-4,4'-diamine, 3,3'-dichloro-, dihydrochloride

Known Uses

Intermediate for organic pigments. Associated with tobacco: reported either as a natural component of tobacco, pyrolysis product (in tobacco smoke), or additive for one or more types of tobacco products.

Chemical Properties

Toxicity Effects (HSDB)

Special Studies

  • Toxicokinetic Study (Gavage)  (S0242)  Completed 
    • Male Rats: F344/N

Genetic Toxicology

  • Salmonella  (611954)  Completed 
    • Citation: Haworth, S., Lawlor, T., Mortelmans, K., Speck, W., and Zeiger, E. Salmonella mutagenicity test results for 250 chemicals Environ. Mutagen. Vol. 5 (Suppl 1) (1983) 3-142
    •  Positive 
  • Salmonella Reduction  (226805)  Completed 
    • Citation: Reid, T., Morton K., and King, C. Mutagenicity of azo dyes following metabolism by different reductive/oxidative systems. Environ. Mutagen. Vol. 6 (1984) 705-717
    •  Positive