Magnesium sulfate heptahydrate - 65922

Code: 65922
Magnesium sulfate heptahydrate
Extra pure, meets analytical specifications of Reagent European Pharmacopoeia, BP, USP, FCC
Epsom Salts

CAS Number: 10034-99-8
Linear Formula: MgSO4 x 7 H2O
Molar Mass: 246.47 g/mol
MDL Number: MFCD00149785
Catalog Number Packaging Size Container type Price QTY Cart
65922-1KG 1KG PLASTIC BOTTLE Contact
65922-5KG 5KG PLASTIC BOTTLE Contact
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Specifications

Property Value
Assay (calculated to the dried substance) 99.5 - 100.5 %
Loss on drying (450°C) 48.0 - 52.0 %
PH (5 %, 25 °C) 5.0 - 9.2
Free acid (as H2SO4) max. 0.01 %
Free alkali (as MgO) max. 0.004 %
Acidity or alkalinity complying
Arsenic (As) max. 2 ppm
Iron (Fe) max. 20 ppm
Lead (Pb) max. 4 ppm
Selenium (Se) max. 30 ppm
Heavy metals (as Pb) max. 10 ppm
Chloride (Cl) max. 100 ppm
Residual solvents complying
Appearance of the solution complying
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Physical Properties

Property Value
Freezing point 1,124 °C
Density 1.68 g/cm3
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Safety Information

Property Value
Precautionary Statement(s) P280