Testing Status of C.I. Direct Brown 2 10289-T


CASRN: 2429-82-5

Formula: C29-H21-N5-O7-S.2Na

Synonyms/Common Names

  • Benzoic acid, 5-((4'-((7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo) (1,1'-biphenyl)-4-yl)azo)-2-hydroxy-, disodium salt

Known Uses

Dye for cotton and leather coloring purposes.

Chemical Properties

Toxicity Effects (HSDB)

Special Studies

  • Metabolism (Dosed-Feed; Gavage)  (S0014)  Completed 
    • Citation: Lynn RK, Donielson DW, Ilias AM, Kennish JM, Wong K, Matthews HB. Metabolism of bisazobiphenyl dyes derived from benzidine, 3,3'-dimethylbenzidine or 3,3'-dimethoxybenzidine to carcinogenic aromatic amines in the dog and rat. Toxicol Appl Pharmacol. 1980 Nov;56(2):248-58.Pubmed Abstract
    • Dog; Male Rats: Sprague Dawley

Genetic Toxicology

  • Salmonella  (315373)  Completed 
    • Citation: Mortelmans, K., Haworth, S., Lawlor, T., Speck, W., Tainer, B., and Zeiger, E. Salmonella mutagenicity tests. II. Results from the testing of 270 chemicals Environ. Mutagen. Vol. 8 (Suppl 7) (1986) 1-119
    •  Equivocal 
  • Salmonella  (957611)  Completed 
    •  Positive