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Magnesium sulfate heptahydrate, Pharmpur®, Ph Eur, BP, USP

- Synonyms: Bitter salt, Epsom salt, Sulfuric acid magnesium salt heptahydrater- MgSO4·7H2Or- M = 246,48 g/molr- CAS [10034-99-8]r- EINECS-No.: 231-298-2r- Solub. in water: (20 ºC): 710 g/lr- Tariff number: 2833 21 00 00r- Applications: analytical chemistry, manufacture of dyes, in fertilizer compositions, in explosive compositions, cosmetics.rrSPECIFICATIONSrassay (complexometric, referred to dried sample): 99,0 - 100,5 %rassay (complexometric, on ignited substance): 99,0 - 100,5 %rIdentification magnesium: passes testrIdentification sulfates: passes testrappearance of solution: clear and colourlessrpH (5 %, H2O): 5,0 - 9,2racidity or alkalinity: passes testrchlorides (Cl): max. 0,014 %rarsenic (As): max. 2 ppmriron (Fe): max. 20 ppmrselenium (Se): max. 30 ppmrloss on drying : 48,0 - 52,0 %rloss on ignition (450 ºC): 40,0 - 52,0 %r