Boron oxide is a chemical compound composed of boron and oxygen, typically represented by the formula B2O3. It is a white, glassy solid that is often used in the production of glass and ceramics. Boron oxide plays a crucial role in improving the thermal and chemical resistance of these materials. In addition to its use in glassmaking, boron oxide is also utilized in the manufacture of fiberglass and as a flux in metallurgy. It can act as a dehydrating agent and is important in various chemical reactions, making it valuable in both industrial and laboratory settings.