Molybdenum trioxide is chemical compound with the formula MoO3. This compound is produced on the largest scale of any molybdenum compound. It is an intermediate in the production of molybdenum metal. It is also an important industrial catalyst.
Molybdenum(VI) oxide (MoO3) is an acidic metal(VI) oxide.It is widely employed in selective oxidation reactions. Its temperature-programmed reduction has been reported.Molybdenum trioxide occurs as the rare mineral molybdite.