Product name：Sodium hexametaphosphate (Food grade)
I. Chemical Name: Sodium hexametaphosphate
Ⅱ. Molecular formula: (NaPO3)6
Ⅲ. Molecular Weight: 611.77
IV. Properties: colorless transparent glass lumpy or flaky.
V. Quality Standard:
| Index name | GB 1890-2005 |
| Total phosphate (as P2O5) ≥% | 68.0 |
| Inactive phosphate (as P2O5) ≤% | 7.5 |
| PH value | 5.8-6.5 |
| Water insoluble ≤% | 0.06 |
| Fe ≤% | 0.02 |
| As ≤% | 0.0003 |
| Heavy metals (as Pb) ≤% | 0.001 |
| Fluoride (F)≤% | 0.003 |
VI. Packing: PE bag lined composite plastic woven bag, Net wt 25KG.
