Aluminium ammonium sulfate dodecahydrate, Pharmpur®, USP

CAS: 7784-26-1

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Characteristic
Volume : x 1 kg

- Synonyms: Ammonium aluminium sulfate, Ammonium alum
- NH4Al(SO4)2·12H2O
- M = 453,33 g/mol
- CAS [7784-26-1]
- EINECS-No.: 232-055-3
- Solub. in water: (20 ºC): 150 g/l
- Melting point: 93 ºC
- Boiling point: 200 ºC
- Tariff number: 2833 30 00 00
- Applications: for water purifying, manufacture of dyes, manufacturing of lacquers, in porcelain industry, in pharma industry.

SPECIFICATIONS
assay (complexometric, on dried sample): 99,0 - 100,5 %
Identification aluminium: passes test
Identification sulfates: passes test
identification A (USP): passes test
iron (Fe): passes test
alkali and alkaline-earth salts: max. 0,5 %
loss on drying (300 °C): 45,0 - 48,0 %