Chrome Alum Crystal

Chrome Alum Crystal


Chrome Alum Crystal is used in leather tanning, textile dyes, photography, ceramics, and as a cross linking agent in organic compounds.

Also Known As

Chromium Alum, Potassium Chromium Sulfate, Chromium Potassium Sulfate Dodecahydrate, Chromium Potassium Alum

Chemical Properties


  • CrK(SO4)2 • 12H2O

CAS Number

  • 7788-99-0

Typical Analysis

  • Trivalent Chrome Cr(III) – 10.2% – 10.6%
  • Iron Fe – 0.009% Maximum
  • Copper Cu – 0.001% Maximum
  • Lead Pb – 0.005% Maximum
  • H2O Insolubles – 0.1% Maximum
  • Hexavalent Chrome Cr(VI) – None Detected <0.0001%


  • Efflorescent Violet Crystal
McGean Product & Packaging

Standard Package

  • 100 pound fiber drum; 9 per pallet

Part Number

  • 35411
Product Disclaimer
Before using your McGean® products, all safety and operating instructions should be read and understood. If you have any questions, please contact us.
Chrome Alum Crystal

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