Paraphosphoric acid, also known as tetraphosphoric acid, is a compound widely used in various industrial applications. Synonyms for this chemical compound include tetraphosphoric acid, P4O10, and phosphoric anhydride. Paraphosphoric acid is an important component in the production of fertilizers, detergents, and cleaning agents. It is known for its ability to remove rust and scale deposits, making it a popular choice in cleaning products. Additionally, it is utilized in the manufacturing of ceramics, as a flux in metallurgy, and as a catalyst in various chemical reactions. With its multiple synonyms, this compound holds significant importance in industries where its versatile properties are put to use.