Aluminium potassium sulphate dodecahydrate 98.0-102.0% (by EDTA titration), crystals, BAKER ANALYZED® ACS, J.T.Baker®

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Aluminium potassium sulphate dodecahydrate 98.0-102.0% (by EDTA titration), crystals, BAKER ANALYZED® ACS, J.T.Baker®
Aluminium potassium sulphate dodecahydrate
Formula: AlK(SO₄)₂·12H₂O
MW: 474,39 g/mol
Melting Pt: 92,5 °C
Density: 1,72 g/cm³ (20 °C)
MDL Number: MFCD00149143
CAS Number: 7784-24-9
Merck Index: 12,00373

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Specification Test Results

Meets ACS Reagent Chemical Requirements
For Laboratory,Research,or Manufacturing Use
Assay (AlK(SO₄)₂·12H₂O) (by EDTA titrn) 98.0 - 102.0 %
Assay (dried basis) 99.0 - 100.5 %
Insoluble Matter ≤0.005 %
pH of 5% Solution at 25°C 2.0 - 4.0
Ammonium (NH₄) ≤0.005 %
Trace Impurities - Iron (Fe) ≤0.001 %
Sodium (Na) ≤0.02 %
Chloride (Cl) ≤5 ppm
Trace Impurities - ACS - Heavy Metals (as Pb) ≤5 ppm
Meets Reagent Specifications for testing USP/NF monographs

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