Potassium hydroxyoctaoxodizincatedichromate

Helmut Greim

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review


Potassium hydroxyoctaoxodizincatedichromate (1106-83-9) is a chromate compound that is commonly used as a corrosion and rust inhibitor in the formulation of paints and primers. Although the zinc and potassium counter ions modulate the physical and chemical characteristics of the molecule, the important anticorrosion benefits and toxicological effects arise from the chromate anion. Chromates and essentially all hexavalent chromium compounds are carcinogenic and probably genotoxic. Other toxicological effects include respiratory cancers and immunological responses such as dermatitis and asthma, and reproductive toxicity.

Original languageEnglish
Title of host publicationEncyclopedia of Toxicology, Fourth Edition
Subtitle of host publicationVolume 1-9
ISBN (Electronic)9780128243152
StatePublished - 1 Jan 2023
Externally publishedYes


  • Carcinogen
  • Chromate
  • Dichromate
  • Genotoxic
  • Mutagen
  • Sensitizing, Hexavalent chromium
  • Zinc potassium chromate


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