Sodium triphosphateSodium triphosphate (STP), also sodium tripolyphosphate (STPP), or tripolyphosphate (TPP), ) is an inorganic compound with formula Na5P3O10. It is the sodium salt of the polyphosphate penta-anion, which is the conjugate base of triphosphoric acid. It is produced on a large scale as a component of many domestic and… Read from the Chembox of the Wikipedia article Sodium triphosphate, revision 1342724950.

Property

Value

Formula

Na5O10P3, 367.86 g/mol

Melting point

622 °C

Density

2.52 g/cm³

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