Features Specifications: sodium tripolyphosphate Item Standard No Exact No Sodium Tripolypyosphate(Na5P3O10),%≥ 90.0 94.0 Phosphate(base on P2O5) ,%≥ 56.5 57.3 Insoluble substance in water,%≤ 0.10 0.07 PH value 9.2-10.0 9.4 Whiteness,≥ 85.0 90 Fe,%≤ 0.015 0.009
Chemical formula:Na5P3O10
Molecular weight:367.88
Properties:White microdot powder with luster, melting point at 622, easily soluble in water, with remarkable chelating ability to some metal ions such as Ca2+, Mg2+, can soften hard water, change suspension into solution, slightly alkaline, without causticity
Uses: Mainly used as synthetic detergent ingredient