National Toxicology Program

National Toxicology Program
http://ntp.niehs.nih.gov/go/ts-10798-y

Testing Status of C.I. Direct Orange 1 - 10798-Y

 

CASRN: 54579-28-1

Synonyms/Common Names

  • Benzoic acid, 5-[[4'-[[4,5-dihydro-5-oxo-1-(sulfophenyl)-1H-pyrazol-4-yl]azo][1,1'-biphenyl]4-yl]azo]-2-hydroxy deriv.

Known Uses

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

Chemical Properties

Toxicity Effects (HSDB)

Special Studies

  • Metabolism (Dosed-Feed; Gavage)  (S0010)  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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