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Magnesium sulfate heptahydrate
Molecular formula: MgSO4
Molecular weight: 120.36

Properties: it is colorless orthorhombic system crystal with salty cold and light bitter taste. It has hygroscopy; specific gravity is 2.66; melting point is 1124℃;Refractive index is 1.56; it is easily soluble in water, soluble in alcohol, ether and glycerol, and insoluble in acetone.

Magnesium sulfate heptahydrateIndex

 

Item
analytically pure(%)
chemically pure(%)
appearance
white powder
white powder
water insoluble
< 0.01
< 0.02
chloride
< 0.001
< 0.002
calcium
< 0.05
< 0.10
Ferrum
< 0.001
< 0.002
heavy metal
< 0.001
< 0.001
content
≥ 99
≥ 99



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