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Sodium tripolyphosphate (STPP) is a chemical that has many uses in industry, ranging from an ingredient in cleaning products to a food preservative. Also known by alternate names like pentasodium salt or triphosphoric acid, the substance falls into the classification Generally Regarded As Safe (GRAS), which means that past use of the chemical has presented no risk to health. It can also be found in some paints and ceramic products, among other uses.
Synonyms : Pentasodium triphosphate, Pentasodium tripolyphosphate, Sodium triphosphate
CAS No. : 7785-29-4
Chemical Formula : Na5P3O10
Sodium tripolyphosphate is used in meat processing, seafood, frozen shrimp, sausage and modified starch.