Magnesium Sulphate
Identification
Name Magnesium sulfate
Synonyms Magnesium sulfate – dried
Molecular Formula MgSO4
Molecular Weight 120.36
CAS Registry Numbe 7487-88-9
EINECS 231-298-2
Properties
Density 2.66
Melting point 1124°C
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Magnesium sulfate heptahydrate (technical grade): |
|
Appearance |
White small granular |
|
Main content |
99.5% min |
|
MgSO4 |
48.59% min |
|
MgO |
16.27% min |
|
Mg |
9.81% min |
|
PH(5W/V%Sol) |
5-8 |
|
Ferron(Fe) |
0.0015% max |
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Heavy metal (Pb) |
0.001 %max |
|
Arsenic(As) |
0.0002% max |
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Insoluble |
0.01%max |
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Size (mm) |
0.1-1 |
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