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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.

Name
Index
Name
Index
clarity test
qualified
calcium( Ca ) %
0.05-0.10
water insoluble %
0.01-0.02
Ferrum( Fe ) %
0.001-0.002
alcohol ether solute %
0.03-0.05
heavy metal ( in Pb )
0.001
chloride (C1)%
0.001-0.002
content %
>(=)99
?
Pharmaceutical grade 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
 
 

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.

 
analytically pure 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
 
 
industrial grade 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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