Sodium Acid Pyrophosphate (SAPP) is an inorganic compound serving as a buffering and chelating agent. It is widely used in the food industry as a leavening agent in baking powders. SAPP combines with sodium bicarbonate to release carbon dioxide, improving texture in baked goods. It also functions as a color stabilizer and pH regulator in various food processing applications.
CAS:
7758-16-9
Formula:
Na2H2P2O7
Molar Weight
221.94 g/mol
Melting Point
Decomposes at 220°C (428°F)
Boiling Point
Not applicable (decomposes before boiling)
Density
1.86 g/cm³ (hexahydrate), 2.31 g/cm³ (anhydrous)
Forms
White crystalline powder or granules, Anhydrous and hexahydrate forms available