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Specifications

Magnesium sulfate
IUPAC name
[show]
Magnesium sulfate
Other names Epsom salt Bitter salts
Identifiers
CAS number [7487-88-9], 10034-99-8 (heptahydrate)
ChemSpider ID 22515
Properties
Molecular formula MgSO4
Molar mass 120. 415 g/mol (anhydrous) 246. 47 g/mol (heptahydrate)
Appearance white crystalline solid
Density 2. 66 g/cm3
Melting point

1124 °C (decomp. )

Solubility in water 25. 5 g/100 ml (20 °C)
Structure
Crystal structure monoclinic (hydrate)
Hazards
MSDS External MSDS
EU Index Not listed
Related compounds
Other cations Beryllium sulfate Calcium sulfate Strontium sulfate Barium sulfate
Except where noted otherwise, data are given for Materials in their standard state (at 25 °C, 100 kPa) Infobox references