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Substance Name: Chrome Rutile Yellow
RN: 68186-90-3


  • Mixed phase dye based on titanium dioxide (rutile) where chromium & antimony ions partially replace titanium ions in the lattice.
  • TSCA Definition 2017: An inorganic pigment that is the reaction product of high temperature calcination in which titanium (IV) oxide, chromium (III) oxide and antimony oxide in varying amounts are homogeneously and ionically interdiffused to form a crystalline matrix of rutile. Its composition may include any one or a combination of the modifiers Al2O3, MnO, NiO, WO3, or ZnO. This substance is identified in the COLOUR INDEX by Colour Index Constitution Number, C.I. 77310.

Molecular Formula

  • Unspecified
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Names and Synonyms

Name of Substance

  • Chrome Rutile Yellow


  • C.I. Pigment Brown 24
  • Chrome antimony titanium buff rutile
  • EC 269-052-1
  • EINECS 269-052-1

Systematic Names

  • C.I. Pigment Brown 24
  • Chrome antimony titanium buff rutile

Registry Numbers

CAS Registry Number

  • 68186-90-3

Other Registry Numbers

  • 1106716-05-5
  • 146908-55-6
  • 179606-69-0
  • 68859-62-1
  • 72779-94-3
  • 72779-95-4
  • 849230-39-3

System Generated Number

  • 0068186903