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Substance Name: Zircon, iron coral
RN: 68187-13-3


  • TSCA Definition 2018: An inorganic pigment that is the reaction product of high temperature calcination in which iron (III) oxide, silicon oxide and zirconium oxide in varying amounts are homogeneously and ionically interdiffused to form a crystalline matrix of zircon. Its composition may include any one or a combination of the modifiers alkali or alkaline earth halides.

Molecular Formula

  • Unspecified

Classification Code

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Names and Synonyms


  • Zirconium iron coral zircon

Systematic Name

  • Zircon, iron coral

Registry Numbers

CAS Registry Number

  • 68187-13-3

System Generated Number

  • 0068187133