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Substance Name: C.I. Pigment Blue 36
RN: 68187-11-1


  • TSCA Definition 2018: An inorganic pigment that is the reaction product of high temperature calcination in which aluminum oxide, chromium (III) oxide, and cobalt (II) oxide in varying amounts are homogeneously and ionically interdiffused to form a crystalline matrix of spinel. Its composition may include any one or a combination of the modifiers MgO, SiO2, ZnO, or ZrO2. This substance is identified in the COLOUR INDEX by Colour Index Constitution Number, C.I. 77343.

Molecular Formula

  • Unspecified
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Names and Synonyms


  • Aluminum chromium cobalt oxide
  • C.I. Pigment Blue 36
  • Cobalt chromite Blue Green spinel
  • Cobalt chromite bluegreen spinel
  • EC 269-072-0
  • EINECS 269-072-0

Systematic Names

  • C.I. Pigment Blue 36
  • Cobalt chromite Blue Green spinel

Registry Numbers

CAS Registry Number

  • 68187-11-1

Other Registry Numbers

  • 1146215-74-8
  • 12224-91-8
  • 859528-33-9

System Generated Number

  • 0068187111