Lanthanum oxide is a chemical compound with the formula La2O3. It is a white, odorless powder that is primarily used in various industrial applications, including glass manufacturing, ceramics, and as a catalyst in chemical reactions. Lanthanum oxide is known for its high melting point and stability, making it valuable in high-temperature environments. In addition to its industrial uses, lanthanum oxide plays a role in the production of phosphors for LED lights and in certain types of batteries. It is also studied for its potential applications in electronics and materials science due to its unique properties.