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ALUMINIUM POTASSIUM SULPHATE DODECAHYDRATE Extra Pure
Alum, Potassium alum, Potassium aluminium sulfate dodecahydrate
MSDS
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COAs
Packings
500 g
(00500)
2500 g
(02500)
25 Kg
(0025K)
50 Kg
(0050K)
Print friendly version
Article No.
00969
Grade
Extra Pure
Purity
99%
CAS No.
7784-24-9
Molecular Formula
AIK(SO
4
)
2
.12H
2
O
Molecular Weight
474.38
H.S. Code
2833.3030
Shelf Life
60 Months
Physical Properties
Physical state at 20 °C
Solid
Colour
White crystalline
Odour
Odorless
pH value
3.3
Melting point/ Freezing point [°C]
92 °C
Boiling point [°C]
200°C
Density [g/cm3]
1.757
Solubility in water [% weight]
14% in water
Specifications
Appearance
White crystalline powder/crystals
Assay (ex Al)
99 - 102%
Ammonium (NH4)
Max 0.05%
Chloride (Cl)
Max 0.01%
Iron (Fe)
Max 0.01%
Lead (Pb)
Max 0.01%
Safety Information and Hazard Symbols
Safety Statement: 22-24/25
Revision Date:
15-Oct-2024
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ALUMINIUM POTASSIUM SULPHATE DODECAHYDRATE