Skip Navigation
ChemIDplus A TOXNET DATABASE LiteBrowseAdvanced

Substance Name: C.I. Pigment Blue 73
RN: 68187-40-6


  • TSCA Definition 2018: An inorganic pigment that is the reaction product of high temperature calcination in which cobalt (II) oxide and silicon oxide in varying amounts are homogeneously and ionically interdiffused to form a crystalline matrix of olivine. Its composition may include any one or a combination of the modifiers Al2O3, B2O3, or ZnO. This substance is identified in the COLOUR INDEX by Colour Index Constitution Number, C.I. 77364.

Molecular Formula

  • Unspecified
* denotes mobile formatted website

Links to Resources

NLM Resources (File Locators)

Regulatory Agencies (Superlist Locators)

Other Resources (Internet Locators)

Names and Synonyms


  • Cobalt silicate blue olivine
  • EC 269-093-5
  • EINECS 269-093-5

Systematic Names

  • C.I. Pigment Blue 73
  • Olivine, cobalt silicate blue

Registry Numbers

CAS Registry Number

  • 68187-40-6

System Generated Number

  • 0068187406