Molecular Formula:Na4P2O7 ；Na4P2O7.10H2O
Molecular Weight:265.90；446.10
CAS NO.:7722-88-5（Anhydrous）;13472-36-1(Decahydrate)
Standard executed:GB 25557-2010
Appearance:White powder or crystal..
Usage: Used as acidity-adjuster,emulsifier,expanding,expanding,complexing and water retaining agent in food industry.
Packaging: 25kg,50kg,1000kg bags or according to customer's demand.
■Specification
| Item | Food Grade | |
| Main contents (Na4P2O7.10H2O) w/% ≥ | 98.0 | |
| Main contents （Na4P2O7),w/% | 96.5-100.5 | |
| Ortho phosphates | Pass | |
| PH value(10g/L solution) | 9.9-10.7 | |
| Arsenic(as As） ≤ | 3 | |
| Fluoride(As F) ≤ | 50 | |
| Heavy metals（As Pb) ≤ | 10 | |
| Lead(as Pb) w/% ≤ | 4 | |
| Water insoluble ≤ | 0.2 | |
| Loss of ignition | (Na4P2O7.10H2O) w/% | 38.0-42.0 |
| （Na4P2O7),w/% ≤ | 0.5 | |