Name: Sodium hexametaphosphate
(Synonyms: Sodium Polyphosphates, Glassy; Sodium Tetrapolyphosphate; Grahams Salt, SHMP)
Chemical formula: (NaPO3)6
Molecular weight: 611.82
Properties: White powder, specific gravity is 2.484(20centigrade), and easy to dissolve in water and notdissolve in organic solution and can react with many metal hydronium of Ca, Ba, Mg, Cu, Fe, etc to become soluble compound.
Appearance: Transparent glass flake or powder
CAS: 10124-56-8
Origin: China
Total Phosphate(as P2O5 )
|
68% min
|
Non-activity Phosphate(as P2O5 )
|
7.5% max
|
Fe
|
0.05% max
|
Water insoluble
|
0.05% max
|
PH
|
5.8-7.3
|
Solubility
|
passed
|
Average degree of polymerization
|
10-16
|
Use: used as the water softener, buffer, flotation agent, dispersing agent in the industry of oil field, paper-making, weaving, dyeing, petroleum, chemicals, leather, metallurgy, etc. And also used as additive, trophic agent, amendment, pH value modifying agent, in food industry.