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Magnesium Sulphate Heptahydrate
ACS
Reagent
Ê
Item : Mg246A
MgSO
4
·7H
2
O, FW=246.47
CAS No. 10034-99-8
Loss 6H
2
O at 150°C
Melting Point, 1124°C
decomposing
Density, 1.678
Index
Assay
98-102%
Insoluble matter
<0.005%
pH (5% solution)
5-8.2
Ammonium
<0.002%
Chloride
<5ppm
Nitrate
<0.002%
Sodium
<0.005%
Potassium
<0.005%
Calcium
<0.02%
Strontium
<0.005%
Manganese
<5ppm
Iron
<5ppm
Heavy metals
<5ppm
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