Chromium(III) potassium sulphate dodecahydrate, black crystals ACS

Supplier: MP Biomedicals
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Synonyms: Chromium potassium sulphate dodecahydrate, Chromium (III) potassium bis(sulphate) dodecahydrate

0219403190
ICNA0219403190EA 632 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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