Available in white powder form, Tri Sodium Phosphate has 99% purity level. This chemical dissolves in water and it is insoluble in carbon disulfide and ethanol. It is hygroscopic by nature. This chemical needs to be stored in -20 degree C temperature. Tri Sodium Phosphate has 2.536 g/cm3 density and its melting point is 1340 degree C. Chemical properties of this substance remain stable under room temperature. It is used as suitable additive for boiler feed water under high pressure.