Vanadium(II) oxide is a chemical compound composed of vanadium and oxygen, with the formula V2O3. It is a black or dark gray solid that is often used in various industrial applications, including as a catalyst in chemical reactions and in the production of certain alloys. This compound is notable for its interesting electrical and magnetic properties, making it a subject of research in materials science. Vanadium itself is a transition metal known for its strength and resistance to corrosion, which contributes to the utility of vanadium(II) oxide in different technological fields.