SODIUM TRIPOLYPHOSPHATE
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SODIUM TRIPOLYPHOSPHATE
Sodium triphosphate, also sodium tripolyphosphate, or tripolyphosphate, 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.
Formula: Na5P3O10
Molar mass: 367.864 g/mol
Melting point: 622 °C
Density: 2.52 g/cm³
Solubility in water: 14.5 g/100 mL (25 °C)
Other cations: Pentapotassium triphosphate
Other anions: Trisodium phosphate; Tetrasodium pyrophosphate; Sodium hexametaphosphate