ALUMINIUM POTASSIUM SULPHATE DODECAHYDRATE

ALUMINIUM POTASSIUM SULPHATE DODECAHYDRATE Extra Pure

Alum, Potassium alum, Potassium aluminium sulfate dodecahydrate

Article No.

00969

Grade

Extra Pure

Purity

99%

CAS No.

7784-24-9

Molecular Formula

AIK(SO₄)₂.12H₂O

Molecular Weight

474.38

H.S. Code

2833.3030

Shelf Life

60 Months

MSDS

Certificate of Analysis (COAs)

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

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 Statement: 22-24/25

Revision Date : 12-Jan-2023