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Substance Name: C.I. Sulphur Blue 10
RN: 1327-62-4


  • TSCA Definition 2018: This substance is identified in the COLOUR INDEX by Colour Index Constitution Number, C.I. 53470.

Molecular Formula

  • Unspecified
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Names and Synonyms


  • 4-((4-((4-Hydroxyphenyl)amino)phenyl)amino)benzenesulfonic acid reaction product with sodium polysulfide
  • C.I. 53471
  • EINECS 215-486-1

Systematic Name

  • C.I. Sulphur Blue 10

Registry Numbers

CAS Registry Number

  • 1327-62-4

Other Registry Number

  • 68910-12-3

System Generated Number

  • 0001327624