Aluminium sulphate octadecahydrate, AnalaR NORMAPUR® analytical reagent

Supplier: VWR Chemicals
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10010DFEA 1440 GBP
10010DF 100103M
Aluminium sulphate octadecahydrate, AnalaR NORMAPUR® analytical reagent
Aluminium sulphate octadecahydrate

The composition of the material may vary between 16-18 hydrate.


The composition of the material may vary between 16-18 hydrate.

Formula: Al₂(SO₄)₃·18H₂O
MW: 666.43 g/mol
Melting Pt: 86 °C
Density: 1.69 g/cm³ (20 °C)
MDL Number: MFCD00149136
CAS Number: 7784-31-8
EINECS: 233-135-0
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Specification Test Results

Assay (calculated as Al2(SO4)3) 51.0 - 59.0 %
Solution (20 %; water) Clear colourless liquid
pH (20°C; 2 %) 2.5 - 4.0
Alkali and alkaline-earth metals Max. 0.4 %
Heavy metals (as Pb) Max. 20 ppm
Cl (Chloride) Max. 50 ppm
NH4 (Ammonium) Max. 100 ppm
As (Arsenic) Max. 3 ppm
Fe (Iron) Max. 50 ppm

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