Aluminium potassium sulphate dodecahydrate ≥99.5%, Puriss. p.a. ACS, Reag. Ph. Eur., Fluka™

Supplier: Honeywell Chemicals

Synonyms: Aluminium Potassium sulphate, 12-Hydrate, Aluminum potassium sulphate dodecahydrate, Aluminium potassium bis(sulphate) dodecahydrate, Potassium alum, Alum potassium

31242-1KG 31242-500G
HONC31242-1KGEA 787 SGD
HONC31242-1KG HONC31242-500G
Aluminium potassium sulphate dodecahydrate ≥99.5%, Puriss. p.a. ACS, Reag. Ph. Eur., Fluka™
Aluminium potassium sulphate dodecahydrate
Formula: AlK(SO₄)₂·12H₂O
MW: 474,39 g/mol
Melting Pt: 92,5 °C
Density: 1,75 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00149143
CAS Number: 7784-24-9
EINECS: 233-141-3
Merck Index: 12,00373

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Specification Test Results

Assay Min. 99.5 %
Water insoluble matter Max. 0.005 %
pH (10 %, 20°C) 3.0 - 3.5
Ammonium (NH₄) Max. 0.005 %
Arsenic (As) Max. 0.0002 %
Cadmium (Cd) Max. 0.0005 %
Copper (Cu) Max. 0.0005 %
Iron (Fe) Max. 5 ppm
Sodium (Na) Max. 0.01 %
Lead (Pb) Max. 0.001 %
Heavy metals (as Pb) Max. 0.001 %
Chloride (Cl) Max. 0.0005 %
Appearance of the solution complying

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