What Is the Common Name for Magnesium Hydroxide?

What Is the Common Name for Magnesium Hydroxide?

The common name for magnesium hydroxide is milk of magnesia. The compound has the chemical formula of Mg(OH)2. The name milk of magnesia is derived from the chemical's white, milk-like appearance.

Patented in 1818, milk of magnesia was sold for medicinal use as an antacid and laxative. It is also used in antiperspirant products and as a topical treatment for canker sores. Magnesium hydroxide has a molar mass of 58.31 grams per mole. It can be manufactured through a reaction of a solution of magnesium salts and a solution of ammonium hydroxide. It is found naturally in some minerals, such as chlorite.