Molybdenum Trioxide is a chemicals compound with molecular weight of 143.94. The chemical formula of this chemical is MoO3. This appears as Light Grey-Green To Green Powder. Molybdenum Trioxide if found in a rare material called molybdite. The main applications for Molybdenum Trioxide is that it is used as raw material for the production of molybdenum metal. Molybdic acid can be produced with Molybdenum trioxide, by dissolving it slighty in water Molybdenum Trioxide . It is also a component of the co-catalyst used in the industrial production of acrylonitrile by the oxidation of propene and ammonia.