Product name：SODIUM ACID PYROPHOSPHATE(FOOD GRADE)
I. Chemical Name: SODIUM ACID PYROPHOSPHATE(FOOD GRADE)
Ⅱ. Molecular formula: Na2H2P2O7
Ⅲ. Molecular Weight: 221.94
IV. Properties: white powder, Relative density 1.86, hygroscopic, Aq. solution is acidic, PH of 1% Aq. solution is 4±0.5.
V. Quality Standard:
| Index name | GB 25567-2010 |
| Assay (as Na2H2P2O7) ≥% | 93.0-100.5 |
| As ≤% | 0.0003 |
| Heavy metals (as Pb) ≤% | 0.001 |
| F≤% | 0.005 |
| PH value(10g/L Solution ) | 4.0±0.5 |
| Pb ≤% | 0.0002 |
| Water insoluble ≤% | 1.0 |
VI. Packing: PE bag lined composite plastic woven bag, Net wt 25KG.
