Aluminum potassium sulfate dodecahydrate - 31242

Code: 31242
Aluminum potassium sulfate dodecahydrate
Puriss. p.a., ACS Reagent, Reagent European Pharmacopoeia, ≥99.5%
Alum; Potassium alum; Potassium aluminum sulfate dodecahydrate
​≥99.5%, ACS Reagent, Reag. Ph. Eur. 

CAS Number: 7784-24-9 Linear Formula: AlK(SO4)2 · 12H2O Molar Mass: 474.39 g/mol MDL Number: MFCD00149143
Catalog Number Packaging Size Container type Price QTY Cart
31242-500G 500G PLASTIC BOTTLE Contact
31242-1KG 1KG PLASTIC BOTTLE Contact
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Specifications

Property Value
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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Physical Properties

Property Value
Freezing point 92.5 °C
Density 1.75 g/cm3
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Safety Information

Property Value
Precautionary Statement(s) P280