Magnesium oxide (chemical formula: MgO) is an oxide of magnesium, a ionic compound. It is a white solid at room temperature. Magnesia exists in nature in the form of periclase and is the raw material for magnesium smelting.

Suitable for light burned magnesium powder used in papermaking, chemical industry, building materials, rubber, ceramics, animal husbandry, and magnesium sand manufacturing.