SODIUM HEXAMETA PHOSPHATE(SHMP)
Chemical formula：(NaPO3)6
Molecularweight：611.77
Standard executed：HG/T2519-2017(Industrial Grage) GB1886.4-2015(Food Grade)
CAS Number：10124-56-8
Properties:
White powder, density is 2.484 (20℃), easily solublein water, but not in organic solution, absorbent to dampness, and turn sticky when absorbed dampness in air. It is possible to form solvent compound with metallic ions such as Ca, Ba, Mg, Cu and Fe; it is a fine agent for water treatment.
Application:
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 solutionfor printing, dyeing, and boiler; Diffusant in papermaking; slow corrodent, floating agent, dispersing medium, high temperature agglomerant, detergent and soil analytical chemistry reagent. For food grade, it is mainly used as additive agent, PH adjusting agent and fermentation agent, and nourishment.
Packing and storage:
Plastic-woven sack with inner polythene film; net weight at 25Kg，50Kg or 1,000Kg. Store at a wellventilated, dry place.
Technical Specifications:
NO. | Specifications | Industrial Grage | Food Grade |
1 | Total phosphate, as P2O5 | MIN 68.0% | MIN 68.0% |
2 | Inactive phosphate, asP2O5 | MAX 7.5% | MAX 7.5% |
3 | Iron, as Fe | MAX 0.03% | MAX 0.02% |
4 | PH value (1% solution) | 5.8-7.0 | 5.8-7.0 |
5 | Solubility | Qualified | Qualified |
6 | Heavy metal, as Pb | MAX 0.001% | |
7 | Arsenic, as As | MAX 0.0003% | |
8 | Fluoride, as F | MAX 0.003% | |
9 | Water insoluble | MAX 0.04% | MAX 0.06% |
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