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Properties of Na5P3O10

Properties of Na5P3O10 (Sodium triphosphate):

Compound NameSodium triphosphate
Chemical FormulaNa5P3O10
Molar Mass367.8641324 g/mol
Physical properties
Appearancewhite powder
Solubility145.0 g/100mL
Density2.5200 g/cm³
Helium 0.0001786
Iridium 22.562
Melting622.00 °C
Helium -270.973
Hafnium carbide 3958

Alternative Names

sodium tripolyphosphate, polygon, STPP
Pentasodium triphosphate

Elemental composition of Na5P3O10
ElementSymbolAtomic weightAtomsMass percent
SodiumNa22.98976928531.2476
PhosphorusP30.973762325.2597
OxygenO15.99941043.4927
Mass Percent CompositionAtomic Percent Composition
Na: 31.25%P: 25.26%O: 43.49%
Na Sodium (31.25%)
P Phosphorus (25.26%)
O Oxygen (43.49%)
Na: 27.78%P: 16.67%O: 55.56%
Na Sodium (27.78%)
P Phosphorus (16.67%)
O Oxygen (55.56%)
Mass Percent Composition
Na: 31.25%P: 25.26%O: 43.49%
Na Sodium (31.25%)
P Phosphorus (25.26%)
O Oxygen (43.49%)
Atomic Percent Composition
Na: 27.78%P: 16.67%O: 55.56%
Na Sodium (27.78%)
P Phosphorus (16.67%)
O Oxygen (55.56%)
Identifiers
CAS Number7758-29-4
Hill formulaNa5O10P3

Related compounds
FormulaCompound name
Na3PO4Trisodium phosphate
Na3P3O9Sodium trimetaphosphate
Na4P2O7Tetrasodium pyrophosphate
Na6P6O18Sodium hexametaphosphate

Related
Molecular weight calculator
Oxidation state calculator

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