Topic: Magnesium Sulphate


Magnesium Sulphate, which has a formula of MgSO4, is a chemical compound made up of Magnesium and Sulfate.

Epsom Salt

Many people know Magnesium Sulphate when it is in the form MgSO4·7H2O, which is called Epsom Salt. This is also called Magnesium Sulphate Heptahydrate.

Epsom Salt is the most common Hydrate of Magnesium Sulphate.


Epsom Salt occurs naturally as the mineral Epsomite.


Another naturally occuring Hydrate of Magnesium Sulphate has a formula of MgSO4·H2O, and is known as the mineral Kieserite.

Anhydrous Magnesium Sulphate

In addition to the hydrated forms of Magnesium Sulphate, Magnesium Sulphate does occur in an Anhydrous state.


Magnesium Sulphate is....

  • used in the sizing and fireproofing Cotton and Silk
  • used in the tanning leather
  • used in the manufaturing of fertilizers
  • used in the manufaturing of explosives
  • used in the manufaturing of matches

Magnesium Sulphate is also used in Medicine as a Laxative.

Also, for Veterinary Medicine Magnesium Sulphate is used for the local treatment of inflammations and infected wounds.

See Also
-- Mirza Charles Iliya Krempeaux