National Toxicology Program

National Toxicology Program
http://ntp.niehs.nih.gov/go/ts-10704-l

Testing Status of C.I. Direct Black 4 - 10704-L

 

CASRN: 2429-83-6

Formula: C35-H29-N9-O7-S2.2Na

Synonyms/Common Names

  • 4-amino-3-((4'-((2,4-diamino-5-methylphenyl)azo)(1,1'-biphenyl)-4-yl)azo)-5-hydroxy-6-(pheylazo)-, disodium salt

Known Uses

Dye for coloring & printing on cellulose, wool, silk, leather & paper; stain for wool, silk & nylon.

Chemical Properties

Toxicity Effects (HSDB)

Special Studies

  • Metabolism (Dosed-Feed; Gavage)  (S0013)  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
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