Molybdenum Trioxide is a chemical compound with the formula MoO3. It appears as a yellow or white powder and is primarily used in various industrial applications, including the production of molybdenum metal and as a catalyst in chemical reactions. This compound is also important in the manufacture of glass and ceramics, where it helps improve durability and color. Additionally, Molybdenum Trioxide plays a role in electronics, particularly in the production of thin films and semiconductors, due to its unique electrical properties.