Sodium Acid Pyrophosphate

Disodium pyrophosphate or sodium acid pyrophosphate is an inorganic compound consisting of sodium cations and pyrophosphate anion. It is a white, water-soluble solid that serves as a buffering and chelating agent, with many applications in the food industry.

Synonyms

Diphosphoric Acid Disodium Salt, Disodium Dihydrogen Pyrophosphate, Disodium Pyrophosphate, E 450, SAPP, SAPP Food Grade, Sodium Acid Pyrophosphate, Sodium Acid Pyrophosphate Food Grade

Chemical Formula

Na2H2P2O7

CAS Number

7758-16-9