National Toxicology Program

National Toxicology Program
http://ntp.niehs.nih.gov/go/ts-11168-e

Testing Status of C.I. Vat Blue 1 - 11168-E

 

CASRN: 482-89-3

Formula: C16-H10-N2-O2

Synonyms/Common Names

  • Blue 1, C.I. Vat
  • 2-(1,3-Dihydro-3-oxo-2H-indazol-2-ylidene)-1,2-dihydro-3H-indol-3-one

Known Uses

Textile dye, approved by FDA for use in sutures, originally obtained from indigo plant (Merck 1989).

Chemical Properties

Toxicity Effects (HSDB)

Special Studies

  • Absorption Disposition Metabolism Elimination (Gavage; Intravenous; Topical Application)  (S0039)  Completed 
    • Male Rats

Genetic Toxicology

  • Salmonella  (298321)  Completed 
    •  Equivocal 
  • Salmonella  (881598)  Completed 
    •  Positive 
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.