Al2O3: Properties, Uses, and Applications | Aluminum Oxide

Al2O3, also known as aluminum oxide, is a compound made up of two aluminum atoms and three oxygen atoms. It's a white or colorless solid that's insoluble in water and has a high melting point. Al2O3 is commonly used as an abrasive, as a refractory material, in the manufacture of ceramics, and as a catalyst in various chemical reactions. It's also found naturally in the form of minerals such as corundum, bauxite, and diaspore.