Magnesium Sulphate Heptahydrate is functional as an inorganic salt chemical compound included with magnesium, oxygen and sulfur. This is functional as an anticonvulsant, electrolyte replenisher and a cathartic. This chemical is suited for the treatment of eclampsia and pre-eclampsia. Magnesium Sulphate Heptahydrate allows for the direct inhibition of action potentials. MgSO4 is the molecular formula of this chemical. It can be dissolved in water and has 99% purity. Main use of this chemical is in the sector of agriculture as it treats the deficiency of magnesium in soil.