Sodium Hexametaphosphate(SHMP)

Chemical formula: (NaPO3)6

Molecular weight: 611.17

Properties: White powder crystal, Sg 2.484(20º C), Melting point 616º C(decompound), good Moisture absorption It is a good water softener.


Technical index
NO. Index name Industrial grade Food grade
1 Total phosphate %= 68.0 68.0
2 Non-labile phosphorus(P2O5) %= 7.5 7.5
3 Water insoluble matter %= 0.05 0.06
4 Fe %= 0.05 0.05
5 PH value of 1% solution 5.8-7.3 5.8-6.5
6 As %= ___ 0.0003
7 Heavy metals (as Pb) %= ___ 0.001
8 Fluoride(as F) %= ___ 0.003


Uses:
Industrial grade Sodium hexametaphosphate can be used as water softener of boiler and printing and dyeing industry; Dispersant of papermaking, high temp. Adhesive, washing and soil analytic reagent.

Food grade Sodium hexametaphosphate can be used as food additive, quality improver, regulator, metal ion chelating agent, adhesive, and nourishment additive.

Packing: Waterproof PP bag or kraft paper bag, Net wt 25 Kg, kept in dry and ventilating place