ALUMINIUM POTASSIUM SULPHATE DODECAHYDRATE Extra Pure

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Short Name: ALUMINIUM POTASSIUM SULPHATE DODECAHYDRATE

Other Names: Alum, Potassium alum, Potassium aluminium sulfate dodecahydrate

Chemical Specifications

Appearance : White crystalline powder

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%

Basic
CAS No.	7784-24-9
Grade	Extra Pure (100-200 mesh)
HS Code	2833.3030
Molecular Formula	AIK(SO4)2.12H2O
Molecular Weight	474.38
Purity	99%
Shelf Life	60 Months
Physical Properties
Boiling point [°C]	Boiling point [°C]
Colour	Colour
Density [g/cm3]	Density [g/cm3]
Melting point/ Freezing point [°C]	Melting point/ Freezing point [°C]
Odour	Odour
pH value	pH value
Physical state at 20 °C	Physical state at 20 °C
Solubility in water [% weight]	Solubility in water [% weight]
Safety
Safety Statement	22-24/25