Vanadic acid is a chemical compound with the formula H3VO4. It is an oxoacid of vanadium, a transition metal, and is typically found in a white crystalline form. Vanadic acid is soluble in water and can form various salts known as vanadates. This acid is primarily used in the production of vanadium compounds and as a catalyst in chemical reactions. It plays a role in the manufacturing of glass and ceramics, as well as in the production of certain alloys. Its unique properties make it valuable in various industrial applications.