Sodium Acid Pyrophosphate (SAPP)
Sodium Acid Pyrophosphate (SAPP) is an inorganic compound with the chemical formula Na₂H₂P₂O₇. It is a white, crystalline powder or granular solid that serves as a versatile leavening agent, buffering agent, and sequestrant. SAPP is widely used in food processing, water treatment, and industrial applications due to its ability to control pH, chelate metals, and modify texture.