Orthophosphoric Acid is a chemical compound that finds use in various industrial processes. It is also known as phosphoric acid or phosphorous acid. Synonyms for this compound include trihydroxidooxidophosphorus, phosphorus(V) oxide, and orthophosphoric(V) acid. These names reflect the multiple functions of orthophosphoric acid in chemical reactions, including its ability to act as an oxidizing agent and a source of the phosphate ion. Other synonyms include phosphonic acid, monophosphoric acid, and the German name phosphorsäure. Regardless of the name used, it is clear that orthophosphoric acid is an essential compound in many industries, from food processing and agricultural production to semiconductor manufacturing and water treatment.