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Molecular Formula: Na6P6O18
Molecular weight: 611.77
Structural Formula:
Properities:
White powder, relative density is 2.484 (20), easily soluble in water, but not inganic solution, absorbent to dampness, turn sticky when absorbed dampness in air. It is possible to form solvent compound with metallic ions such as Ca, Ba, Mg, Cu Fe; It is a fine agent fwater treatment.
Application:
Findustrial use, such as oil field, paper-making, textile, dyeing, petrochemical industry, tanning industry, metallurgical industry building material industry, it is mainly used as a water softening agent in solution fprinting, dyeing, boiler; Diffusant in papermaking; Retarding agent, floating agent, dispersing medium, high temperature agglomerant, detergent soil analytical chemistry reagent. Ffood grade, it is mainly used as additive agent, pH adjusting agent fermentation agent, nourishment.
Specification:
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Specification |
Industrial grade |
Food grade |
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Total phosphate, as P2O5%≥ |
68.0 |
68.0 |
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Inactive phosphate, as P2O5%≤ |
7.5 |
7.5 |
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Iron, as Fe, %≤ |
0.05 |
0.05 |
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pH of 1% water solution |
5.8-7.3 |
5.8-6.5 |
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Solubility |
Qualified |
Qualified |
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Heavy metal, as Pb, %≤ |
- |
0.001 |
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Arsenic, as As, %≤ |
- |
0.0003 |
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Fluoride, as F, %≤ |
- |
0.003 |
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Water insoluble, %≤ |
0.05 |
0.06 |
Packing：
Plastic-woven sack with inner polythene bag; Net weight: 25kg, 50kg 1, 000kg. Stored in ventilated dry place.
Keywords:
Sodium metaphosphate; Sodium hexametaphosphate; Metaphosphoric acid hexasodium salt; SHMP
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China (Mainland)
