Magnesium sulphate heptahydrate
Tag list： Magnesium sulphate heptahydrate
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Product Description
Chemical Name: Magnesium Sulphate Heptahydrate
Molecular Formula: MgSO₄.7H₂O
CAS No.: 10034-99-8
EINECS: 600-073-4
▏Properties
Magnesium sulphate heptahydrate do many benefits to crops. Magnesium sulphate has good water solubility, and can be absorbed by the crop easily, also it will soon make the folium return green, and reinforce the ability of photosynthesis. The density is 1.68 g/cm3. Its melting point is 1124℃. It is soluble in water，slight soluble in alcohol and diethyl ether, insoluble in acetone.
▏Composition
NO. | TEST | SPECIFICATION |
1 | Appearance | white crystal |
2 | Assay | ≥99.0% |
3 | MgO | ≥16.0% |
4 | Cl | ≤0.014% |
5 | Mg | ≤9.8% |
6 | Fe | ≤0.0015% |
▏Application
Usually we use the foliage dressing of the magnesium fertilizer to remedy the magnesium deficiency for the fruiter, solanaceous vegetable, legume vegetable caused by the root barrier, In a general way, we will spray 1%-2% magnesium sulphate solution, application for 3-4 times, interval 7-10 days.
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