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Substance Name: C.I. Sulphur Orange 1
RN: 1326-49-4


  • TSCA Definition 2018: This substance is identified in the COLOUR INDEX by Colour Index Constitution Number, C.I. 53050.

Molecular Formula

  • Unspecified
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Links to Resources

NLM Resources (File Locators)

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Other Resources (Internet Locators)

Names and Synonyms


  • C.I Leuco Sulfur Orange 1
  • EINECS 215-426-4

Systematic Name

  • C.I. Sulphur Orange 1

Registry Numbers

CAS Registry Number

  • 1326-49-4

Other Registry Number

  • 97467-79-3

System Generated Number

  • 0001326494