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Magnesium oxide, Pharmpur®, Ph Eur, BP, USP

- Synonyms: Magnesia usta
- MgO
- M = 40,30 g/mol
- CAS [1309-48-4]
- EINECS-No.: 215-171-9
- Solub. in water: (20 ºC): insoluble
- Melting point: ~ 2800 ºC
- Boiling point: 3600 ºC
- Tariff number: 2519 90 10 00
- Applications: in the ceramics industry, in optics, in building materials, in pharma industry.

SPECIFICATIONS

on ignited sample): 96,0 - 100,5 %
Identification magnesium: passes test
identification B (EP): passes test
appearance of solution: passes test
insoluble in CH3COOH: max. 0,1 %
acid-insoluble matter: max. 0,1 %
soluble substances: max. 2,0 %
free alkali and soluble salts: max. 2,0 %
chlorides (Cl): max. 0,1 %
sulfates (SO4): max. 1,0 %
calcium (Ca): max. 1,1 %
iron (Fe): max. 0,05 %
residue on ignition (900 C): max. 8,0 %
Untapped bulk density: see remarks

Remarks: According to EP specifications it is considered: Heavy: min 0,25 g/mL Light: max 0,15 g/mL