H3VO4, also known as vanadic acid, is a chemical compound that contains vanadium, oxygen, and hydrogen. It is typically found in a hydrated form and is used in various industrial applications, including the production of catalysts and as a reagent in chemical synthesis. Vanadic acid is known for its acidic properties and can act as a source of vanadium in different chemical reactions. In its solid form, H3VO4 appears as a yellowish crystalline substance. It is soluble in water and can form vanadate ions in solution. The compound is of interest in fields such as materials science and catalysis, where vanadium compounds play a crucial role in enhancing reaction efficiency and selectivity.