ALUMINIUM POTASSIUM SULPHATE AR (DODECAHYDARATE)

ALUMINIUM POTASSIUM SULPHATE AR (DODECAHYDARATE) ALUMINIUM POTASSIUM SULPHATE AR (DODECAHYDARATE)
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
A0019605000 AR 99% 7784-24-9 AlK(SO4)2.12H2O 474.38 2833.3030
 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

Insoluble matter:

 Max 0.005%

Chloride (Cl):

 Max 0.0005%

Heavy metal (as Pb):

 Max 0.001%

Sodium (Na):

 Max 0.02%

Arsenic (As):

 Max 0.0002%

Iron (Fe):

 Max 0.0005%

Copper (Cu):

 Max 0.0005%

pH (10% solution in water):

 3.0 -.3.5

Ammonium (NH4):

 Max 0.005%

Identifications:

 To comply USP, BP test

Appearance of solution:

 Passes test

Related Substances:

 To comply USP, BP test

Assay (complexometric):

 99.0-100.5%

Loss on dryig (at 400°C):

 43 - 46%
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Globally Harmonized System of classification and Labelling of Chemicals (GHS)

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