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Substance Name: C.I. Solubilised Sulphur Brown 21
RN: 1326-55-2


  • TSCA Definition 2018: This substance is identified in the COLOUR INDEX by Colour Index Constitution Number, C.I. 53066.

Molecular Formula

  • Unspecified
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Names and Synonyms


  • C.I. 53066
  • EINECS 215-432-7

Systematic Name

  • C.I. Solubilised Sulphur Brown 21

Registry Numbers

CAS Registry Number

  • 1326-55-2

Other Registry Number

  • 61725-65-3

System Generated Number

  • 0001326552