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Substance Name: Spinels, aluminum chromium cobalt zinc blue
RN: 74665-01-3


  • TSCA Definition 2018: An inorganic pigment that is the reaction product of high temperature calcination in which zinc oxide, chromium (III) oxide, cobalt (II) oxide and aluminum 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 or TiO2.

Molecular Formula

  • Unspecified

Classification Code

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Names and Synonyms


  • Zinc chrome cobalt aluminate blue spinel

Systematic Name

  • Spinels, aluminum chromium cobalt zinc blue

Registry Numbers

CAS Registry Number

  • 74665-01-3

System Generated Number

  • 0074665013