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Lab Chemicals
Inorganic Salts
CHROMIUM (III) POTASSIUM SULPHATE DODECAHYDRATE
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(SO
4
)
2
.12H
2
O
Molecular Weight
499.39
H.S. Code
2833.2990
Shelf Life
60 Months
MSDS
DE
EN
FR
KO
PT
ES
TH
TR
Certificate of Analysis (COAs)
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
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