|
Indicator Description |
Inspection Results |
|
MgSO4 · 7H2O % ≥ |
99.5 |
| MgSO4% ≥ |
48.59 |
| Mg% ≥ |
9.8 |
|
Cl–% ≤ |
0.014 |
|
Fe% ≤ |
0.0015 |
| Pb% ≤ |
0.0006 |
| As% ≤ |
0.0002 |
|
PH (5% aqueous solution) |
5.0-9.2 |
Magnesium Sulfate Heptahydrate
- Molecular formula：MgSO4 · 7H2O
- Molecular weight：246.47
- CAS No：10034-99-8
- Properties：White needle shaped or slanted columnar crystals, easily soluble in water, slightly soluble in ethanol and glycerol.
- Application：Mainly used in the manufacturing of fertilizers, leather, printing and dyeing, catalysts, papermaking, plastics, porcelain, pigments, matches, explosives, and fire-resistant materials. It can be used for printing and dyeing thin cotton fabrics and silk, as a weighting agent for cotton fibers and a filler for kapok products. In medicine, it is used as a laxative salt.
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