Synonyms: Sodium Hexameta Phosphate; Sodium Hexa Meta Phosphate

Chemical formula: (NaPO3)6

Molecular weight: 611.82

Standard executed: HG/T2837-1997

CAS No.: 10124-56-8

H.S. Code: 28353900

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.Industrial 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. Industrial 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: Plastic-woven sack with inner polythene bag; Net weight: 25kg, 50kg or 1,000kg. Stored in ventilated and dry place.

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