Molecular Formula:Na2HPO4；Na2HPO4.2H2O;Na2HPO4.12H2O
Molecular Weight:141.96;177.99;358.14
CAS NO:7558-79-4(Anhydrous);10028-24-7(Dihydrate);10039-32-4(Dodecahydrate).
Standard executed:HG/T 2965-2009 for Dodecahydrate;According to customer's demand for Anhydrous and Dihydrate.
Appearance:White powder or granule.
Usage:Used as boiler-water solfener,fire retardant for textile,wood and paper.
Packaging:25Kg、50Kg，1000Kg bags or according to customer's demand.
Specification
| Item | Industrial Grade |
| Main contents(as Na2HPO4.12H2O），w/% ≥ | 97.0 |
| Sulphate(as SO4) , W/% ≤ |
0.7 |
| Chloride(as Cl） W/% ≤ | 0.05 |
| Arsenic (as As) W/% ≤ | 0.005 |
| Fluoride(as F） W/% ≤ | 0.05 |
| Iron (as Fe) W/% ≤ | 0.05 |
| Water insoluble , w/%≤ | 0.05 |
| PH value(10g/L solution) | 9.0±0.2 |