Magnesium chromate, also known as magnesium chromium oxide, is a chemical compound with the formula MgCrO₄. It is a bright yellow, odourless, crystalline powder that is soluble in water and alcohol. Magnesium chromate is used as a pigment in paints, ceramics, and textiles, and as a mordant in dyeing. It is also used in the production of other chromium compounds, such as chromium oxide and chromium salts.

Properties

Magnesium chromate is a bright yellow, odourless, crystalline powder that is soluble in water and alcohol. It has a melting point of 1,764 °C and a boiling point of 2,300 °C. Magnesium chromate is a strong oxidising agent and is incompatible with reducing agents, acids, and bases.

Production

Magnesium chromate is produced by the reaction of magnesium oxide and chromium oxide. The reaction is carried out at a high temperature in a kiln. The product is then cooled and ground into a powder.

Uses

Magnesium chromate is used as a pigment in paints, ceramics, and textiles. It is also used as a mordant in dyeing. Magnesium chromate is used in the production of other chromium compounds, such as chromium oxide and chromium salts.

Safety

Magnesium chromate is a toxic compound and should be handled with care. It is important to wear gloves and eye protection when working with magnesium chromate. It should also be stored in a cool, dry place.