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Substance Name: C.I. Pigment Yellow 161
RN: 68611-43-8


  • TSCA Definition 2018: An inorganic pigment that is the reaction product of high temperature calcination in which nickel (II) oxide, niobium (V) oxide, and titanium (IV) 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 Cr2O3 or SrO. This substance is identified in the COLOUR INDEX by Colour Index Constitution Number, C.I. 77895.

Molecular Formula

  • Unspecified
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Names and Synonyms


  • EINECS 271-892-9
  • Nickel niobium titanium yellow rutile

Systematic Name

  • C.I. Pigment Yellow 161

Registry Numbers

CAS Registry Number

  • 68611-43-8

System Generated Number

  • 0068611438