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Home » Product List » Sodium Phosphate » Sodium Hexametaphosphate (SHMP)
Product Details
Sodium Hexametaphosphate (SHMP)
Product: SHMP; Sodium Hexametaphosphate
Chemical formula: (NaPO3)6
Standard executed: HG/T2837-1997
Molecular weight: 611.82
CAS No.: 10124-56-8
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
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 in plastic woven bag with polythene liner; Stored in ventilated and dry place.
| No | Specifications | Technical Grade | Food Grade |
| 1 | Total phosphate, as P2O5 | 68.0% min. | 68.0% min. |
| 2 | Inactive phosphate, as P2O5 | 7.5% max. | 7.5% max. |
| 3 | Iron, as Fe | 0.05% max. | 0.05% max. |
| 4 | pH of 1% water solution | 5.8-7.3 | 5.8-6.5 |
| 5 | Solubility | Qualified | Qualified |
| 6 | Heavy metal, as Pb | - | 0.001% max. |
| 7 | Arsenic, as As | - | 0.0003% max. |
| 8 | Fluoride, as F | - | 0.003% max. |
| 9 | Water insoluble | 0.05% max. | 0.06% max. |
