CHROMIUM (III) POTASSIUM SULPHATE DODECAHYDRATE Extra Pure

Chrome alum; Potassium chromium(III) sulfate dodecahydrate

Article No.
2819B
Grade
Extra Pure
Purity
98.5%
CAS No.
7788-99-0
Molecular Formula
KCr(SO4)2.12H2O
Molecular Weight
499.39
H.S. Code
2833.2990
Shelf Life
60 Months
MSDS
 

 

Physical Properties

Physical state at 20 °C
Solid
Colour
Violet crystalline
Odour
Odorless
Melting point/ Freezing point [°C]
89 °C
Density [g/cm3]
1.826
Solubility in water [% weight]
Soluble in water

Packings

  • 1PB1200500

    500 g (00500)

 

Specifications

Appearance Violet crystalline powder
Assay (iodometric) Min 98.5%
Chloride (Cl) Max 0.03%
Ammonium (NH4) Max 0.01%
Lead (Pb) Max 0.01%
Iron (Fe) Max 0.03%
Copper (Cu) Max 0.005%

Safety Information and Hazard Symbols

Safety Statement: 22-24/25
Revision Date : 19-Apr-2013
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