Chromium(III) potassium sulphate dodecahydrate, black crystals ACS

Supplier: MP Biomedicals
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0219403190
ICNA0219403190EA 580 SGD
ICNA0219403190
Chromium(III) potassium sulphate dodecahydrate, black crystals ACS
Chromium (III) potassium sulphate dodecahydrate

Chromium potassium sulfate is the potassium double sulfate of chromium.


  • Grade : ACS
  • Assay : 98.0 - 102.0%
  • Key Applications : Tanning of leather; Used in gelatine emulsions in photographic film as hardener
  • Application Areas : tanning of leather, used in gelatine emulsions in photographic film as hardener
  • Product Type : Inorganics
  • Presentation :Black Crystals
  • Heavy Metals : <0.01% (as Pb)
  • Insoluble Matter : <0.01%
  • NOTES : Chloride (Cl) <0.002%, Aluminum (Al) <0.02%, Iron (Fe) <0.01%, Ammonium (NH4) <0.01%
  • Solubility : Soluble in water.

Formula: CrK(SO₄)₂·12H₂O
Melting Pt: 89 °C (lit.)
Density: 1,89 g/cm³ ((20 °C))
Storage Temperature: Ambient
MDL Number: MFCD00149917
CAS Number: 7788-99-0
EINECS: 233-401-6
Merck Index: 13,02250

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Specification Test Results

Assay 98.0 - 102.0%
Insoluble Matter <0.01%
Chloride (Cl) <0.002%
Aluminum (Al) <0.02%
Iron (Fe) <0.01%
Ammonium (NH4) <0.01%


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