Sodium Hexametaphosphate

Origin China

CAS No. 68915-31-1 / 10124-56-8

Standard executed HG/T2837-1997

chemical formula (NaPO3)6

Molecular weight 611.82

Properties: 1. Appearance: white powder; 2. Relative density: 2.484 (20 degree centigrade); 3. Solubility: easily soluble in water, but not in organic solution; 4. Absorbent to dampness, and turn sticky when absorbed dampness in air; 5. Can form soluble chelate with metallic ions such as Ca, Ba, Mg, Cu and Fe. Technical Specifications: 1.

Technical grade: (1)Total phosphate, as P2O5: 68.0% min. (2)Inactive phosphate, as P2O5: 7.5% max. (3)pH of 1% water solution: 5.8-7.3 (4)Solubility: Qualified (5)Water insoluble: 0.05% max. (6)Iron, as Fe: 0.05% max. 2. Food grade: (1)Total phosphate, as P2O5: 68.0% min. (2)Inactive phosphate, as P2O5: 7.5% max.

(3)pH of 1% water solution: 5.8-6.5 (4)Solubility: Qualified (5)Water insoluble: 0.0 6% max. (6)Arsenic, as As: 0.0003% max. (7)Fluoride, as F: 0.003% max. (8)Heavy metal, as Pb: 0.001% max. (9)Iron, as Fe: 0.05% max. Application: 1.

Technical grade: used in such industries as oil field, paper-making, textile, dyeing, petrochemical industry, tanning industry, metallurgical industry and building material industry, and used as a water softening agent in solution for printing, dyeing, and boiler, as diffusant in papermaking; retarding agent, floating agent, dispersing medium, high temperature agglomerant, detergent and soil analytical chemical reagent; 2.

Food grade: mainly used as additive agent, pH adjusting agent, fermenting agent, and nourishment, etc.Packaging: 25kg/50kg pp bag