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Substance Name: Spinels, chromium iron manganese zinc brown
RN: 68186-96-9


  • TSCA Definition 2018: An inorganic pigment that is a reaction product of high temperature calcination in which iron (III) oxide, chromium (III) oxide, manganese (III) oxide and zinc oxide in varying amounts are homogeneously and ionically interdiffused to form a crystalline matrix of spinel.

Molecular Formula

  • Unspecified

Classification Code

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Names and Synonyms


  • EINECS 269-058-4
  • Iron chromite manganese zinc brown spinel

Systematic Name

  • Spinels, chromium iron manganese zinc brown

Registry Numbers

CAS Registry Number

  • 68186-96-9

System Generated Number

  • 0068186969