Aluminium potassium sulfate dodecahydrate 99.0-100.5% (by complexometric analysis, on dry substance), EMPROVE® ESSENTIAL BP, Ph. Eur., USP, SAFC®

Supplier: MilliporeSigma

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

1.01042.1000 1.01042.9029
EM1.01042.1000CS 4568.05 USD
EM1.01042.1000 EM1.01042.9029
Aluminium potassium sulfate dodecahydrate 99.0-100.5% (by complexometric analysis, on dry substance), EMPROVE® ESSENTIAL BP, Ph. Eur., USP, SAFC®
Aluminium potassium sulphate dodecahydrate

Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1 to 3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated.

Formula: AlK(SO₄)₂·12H₂O
MW: 474.39 g/mol
Melting Pt: 92.5
Density: 1.75 g/cm³ (20 °C)
MDL Number: MFCD00149143
CAS Number: 7784-24-9
EINECS: 233-141-3
Merck Index: 12,00373

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Specification Test Results

Assay (Complexometric) 99.0 - 100.5%
Assay (Complexometric, Calculated on Dried Substance) 99.0 - 100.5%
Identity Passes Test
pH-value (10%; Water) 3.0 - 3.5
Heavy Metals (as Pb) ≤0.002%
Cr (Chromium) ≤0.0003%
Fe (Iron) ≤0.01%
NH₄ (Ammonium) ≤0.2%
Residual Solvents (ICH Q3C) Excluded by Manufacturing Process
Loss on Drying (400 °C) 43.0 - 46.0%
Corresponds to Ph. Eur., BP, USP


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