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Testing Status of Hydrazobenzene 10872-P

 

CASRN: 122-66-7

Formula: C12-H12-N2

Synonyms/Common Names

  • 1,2-Diphenylhydrazine (9CI)

Known Uses

Precursor for dyes; preparation of phenylbutazone. 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)

Short-Term Toxicity

  • 14-Day (Dosed-Feed)  (C01854)  Completed 
    • Rats: F344/N; Mice: B6C3F1
  • 13-Week (Dosed-Feed)  (C01854)  Completed 
    • Rats: F344/N; Mice: B6C3F1
    • Dose: 0, .007, .423 %/5 PER GROUP.

Long-Term Carcinogenicity

  • 2-Year (Dosed-Feed)  (C01854)  Completed 
    • TR-092 (NIH Number: 78-1342)  (Peer Review Approval 04/26/1978A )
      Bioassay of Hydrazobenzene for Possible Carcinogenicity (CASRN 122-66-7)
    • Rats: F344/N; Mice: B6C3F1
    • Carcinogenesis Results
      • Male Rats Positive 
      • Female Rats Positive 
      • Male Mice Negative 
      • Female Mice Positive 
    • Dose: MR: 0, .008, .03 (AVG), FR: 0, .004, .01 (AVG), MM: 0, .008, .04 (AVG), FM: 0, .004, .04 (AVG) %/50 PER GROUP.

Genetic Toxicology

  • In Vitro Cytogenetics (CA/SCE)  (522990)  Completed 
    • Citation: Galloway, S., Armstrong, M., Reuben, C., Colman, S., Brown, B., Cannon, C., Bloom, A., Nakamura, F., Ahmed, M., Duk, S., Rimpo, J., Margolin, B., Resnick, M., Anderson, B., and Zeiger, E. Chromosome aberration and sister chromatid exchanges in Chinese hamster ovary cells: Evaluations of 108 chemicals. Environ. Molec. Mutagen. Vol. 10 (Suppl 10) (1987) 1-176
    • Sister Chromatid Exchange Positive 
    • Chromosome Aberrations Positive 
  • Drosophila  (520041)  Completed 
    • Citation: Yoon, J.S., Mason, J.M., Valencia, R., Woodruff, R.C., and Zimmering, S. Chemical mutagenesis testing in Drosophila: IV. Results of 45 coded compounds tested for the National Toxicology Program. Environ. Mutagen. Vol. 7 (1985) 349-367
    • Reciprocal Translocation/Sex-Linked Recessive Lethal Negative 
  • Salmonella  (519790)  Completed 
    • Citation: Dunkel, V., Zeiger, E., Brusick, D., McCoy, E., McGregor, D., Mortelmans, K., Rosenkranz, H., and Simmon, V. (1984) Reproducibility of microbial mutagenicity assays. I. Tests with Salmonella typhimurium and Escherichia coli using a standardized protocol. Environ. Mutagen. 6 (Suppl. 2): 1-251.
    • 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  (CV-355)  Completed 
    • Citation: Dunkel, V., Zeiger, E., Brusick, D., McCoy, E., McGregor, D., Mortelmans, K., Rosenkranz, H., and Simmon, V. (1984) Reproducibility of microbial mutagenicity assays. I. Tests with Salmonella typhimurium and Escherichia coli using a standardized protocol. Environ. Mutagen. 6 (Suppl. 2): 1-251.
    • Citation: Dunkel, V., Zeiger, E., Brusick, D., McCoy, E., McGregor, D., Mortelmans, K., Rosenkranz, H., and Simmon, V. Reproducibility of microbial mutagenicity assays. I. Tests with Salmonella typhimurium and Escherichia coli using a standardized protocol Environ. Mutagen. Vol. 6 (Suppl 2) (1984) 1-251