Epsom Salt / Magnesium Sulfate Heptahydrate

Epsom salt is the common name for magnesium sulfate heptahydrate, a chemical compound with the formula MgSO₄⋅7H₂O. It consists of magnesium, sulfur, oxygen, and seven water molecules, and is widely used for wellness, gardening, and industrial applications. 

Epsom salt is also known as magnesium sulfate. It’s a chemical compound made up of magnesium, sulfur, and oxygen.

Despite its name, Epsom salt is a completely different compound than table salt. It was most likely termed “salt” because of its chemical structure.

It has an appearance like table salt and is often dissolved in baths. Epsom salt is quite bitter and unpalatable.