Alluminio potassio solfato dodecaidrato 99.0-100.5% (by complexometric analysis, on dry substance), EMPROVE® ESSENTIAL Ph. Eur., BP, USP, SAFC®
Fornitore: MERCK PRODUCTION CHEMICALS
Synonyms:
Aluminium Potassium sulphate, 12-Hydrate, Aluminum potassium sulphate dodecahydrate, Aluminium potassium bis(sulphate) dodecahydrate, Potassium alum, Alum potassium
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 Peso molecolare: 474,39 g/mol Punto di fusione: 92,5 °C Densità: 1,72 g/cm³ (20 °C) |
MDL Number:
MFCD00149143 CAS Number: 7784-24-9 EINECS: 233-141-3 Merck Index: 12,00373 |
Risultati del test di specificazione
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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