National Toxicology Program

National Toxicology Program
http://ntp.niehs.nih.gov/go/ts-10702-e

Testing Status of C.I. Direct Orange 8 - 10702-E

 

CASRN: 2429-79-0

Formula: C29-H21-N5-O6-S.2Na

Synonyms/Common Names

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

Known Uses

Dye for cellulose fibers; paper; stain for wool, silk & cotton fibers.

Chemical Properties

Toxicity Effects (HSDB)

Special Studies

  • Metabolism (Dosed-Feed; Gavage)  (S0012)  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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