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Magnesium Sulphate Heptahydrate
Magnesium sulphate is an inorganic salt (chemical compound) containing magnesium, sulphur and oxygen, with the formula MgSO4. It is often encountered as the heptahydrate sulphate mineral epsomite (MgSO4-7H2O), commonly called Epsom salt. The monohydrate, MgSO4-H2O is found as the mineral kieserite.
Meets requirements of FCC VI.
Minimum Assay: >99.5%
Molecular Formula: MgSO4-7H2O
Molecular Weight: 246.47 g/mol
Solubility in water (% weight): 246.48 g/l at 20C
density (g/cm3): 1.678
Melting Point: 170-171°C
Water insoluble matter: <0.005%
Nitrate (NO3): 0.002%
Ammonium (NH4): 0.001%
Chloride (Cl): 0.0004%
Calcium (Ca): <0.013%
Heavy metals (as Pb): 0.000002%
Iron (Fe): 0.00001%
Potassium (K): 0.0021%
Manganese (Mn): 0.0005%
Sodium (Na): <0.005%
Strontium (Sr): 0.000025%
Hazard Phrases: Not considered harmful under normal laboratory conditions
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