Production name: Sodium Hexametaphosphate/ SHMP

CAS number: 10124-56-8
Molecular formula: (NAPO3)6
Molecular weight: 611.80
Appearance: White powder
2. Specififcation

Food grade GB 1890-2005 9001: 200
Industrial Grade HG/T2837-1997

Specifications	Industrial Grade	Food Grade
Total phosphate, as P2O5%≥	68.0	68.0
Inactive phosphate, as P2O5%≤	7.5	7.5
Iron, as Fe %≤	0.05	0.05
Ph value (1% solution) %≤	5.8-7.3	5.8-6.5
Solubility	Qualified	Qualified
Heavy metals, as Pb %≤	-	0.001
Arsenic, as As%≤	-	0.0003
Fluoride as F%≤	-	0.003
Water insoluble %≤	0.05	0.06

3. Application

1). SHMP For industrial use, such as oil field, paper-making, textile, dyeing, petrochemical industry, tanning industry, metallurgical industry and building material industry. It is mainly used as a water softening agent in solution for printing, dyeing, and boiler; Diffusing in papermaking; Slow corrodent, floating agent, dispersing medium, high temperature agglomerant, detergent and soil analytical chemistry reagent.
2). SHMP For food grade, it is mainly used as additive agent, pH adjusting agent and fermentation agent, and nourishment.