1.Competitive price
2.Fast Delivery Within 2 days
3.SGS , BV, GMP,ISO approve
4.Professional factory
$1.30 - $1.40 / Kilogram
White powder or granular;Relative density 1.86g/cm3;Soluble in water and insoluble in ethanol; If its aqueous solution is heated together with diluted inorganic acid, it will be hydrolyzed into Phosphoric Acid; It is hydroscopic, and when absorbing humidity it will become into a product with hexa-hydrates; If it is heated at a temperature above 220℃, it will be decomposed into sodium meta phosphate
| Test | Result |
| Assay (as Na2H2P2O7) | 95% min |
| P2O5 | 63-64.5% |
| Loss on drying | 0.5% max |
| Water Insoluble | 1.0% max |
| pH Value (1% solution) | 3.5-4.5 |
| Fluoride | 10 mg/kg max |
| As | 3 mg/kg max |
| Lead | 4 mg/kg max |
| Cd | 1 mg/kg max |
| Heavy Metals (As+Pb) | 10 mg/kg max |
| Bulk Density | 800 g/l-1050 g/l |
| ROR | 15/28/40 |
