Sodium Hexametaphosphate (SHMP)
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- In detail
Sodium Hexametaphosphate (SHMP)
1.Product: Sodium Hexameta phosphate; Sodium Metaphosphate; Sodium Phosphate
Chemical formula: (NaPO3)6
Standard executed: HG/T2837-1997
CAS No.: 10124-56-8HS Code：2835390010
2.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
3.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.
4.Packing: 25kg or 50Kg/woven bag lined with PE liner, or 1000 Kg/Container bag; 20-25mt/20 feet container
| No. | Specifications | Industrial Grade | Food Grade |
| 1 | Total phosphate, as P2O5≥ | 68.0 | 68.0 |
| 2 | Inactive phosphate, as P2O5%≤ | 7.5 | 7.5 |
| 3 | Iron, as Fe %≤ | 0.05 | 0.05 |
| 4 | Ph value (1% solution) %≤ | 5.8-7.3 | 5.8-6.5 |
| 5 | Solubility | Qualified | Qualified |
| 6 | Heavy metals, as Pb %≤ | 0.001 | |
| 7 | Arsenic, as As%≤ | 0.0003 | |
| 8 | Fluoride as F%≤ | 0.003 | |
| 9 | Water insoluble %≤ | 0.05 | 0.06 |