Sodium Acid Pyrophosphate (SAPP) is an inorganic compound with the chemical formula Na2H2P2O7. It is a white, water-soluble solid that is widely used in various industries due to its unique properties. Beyond food uses, SAPP is utilized in various industrial processes. It serves as a chelating agent in water treatment, a dispersant in the textile industry, and a component in drilling mud for the oil industry. In metal treatment, SAPP can be used to remove iron stains and as a rust inhibitor
