| Content : |
Chemical formula: Na4P2O7
Molecular weight: 265.90
Standard executed: GB25557-2010
Capacity : 10,000MT/a
Properties:
White powder; soluble in water but insoluble in ethanol; Relative density 2.45 and melting point 890℃,Deliquescent in the open air. Its aqueous solution shows weak alkalinity and is stable at 70 ℃, but will be hydrolyzed into di-sodium phosphate when boiled .
Technical Data:
| NO |
Indexes |
Food Grade |
| 1 |
Assay (asNa4P2O7)% ≥ |
96.5 |
| 2 |
P2O5% ≥ |
51.5 |
| 3 |
Water insoluble，% ≤ |
0.2 |
| 4 |
PH Value |
9.9-10.7 |
| 5 |
As，ppm,≤ |
3 |
| 6 |
Pb,ppm,≤ |
10 |
| 7 |
Fluoride（as F），ppm,≤ |
50 |
| 8 |
L.O.I%≤ |
0.5 |
| 9 |
Ortho Phosphate |
Pass test |
| 10 |
Size through 60 mesh≥ |
90% |
Application:
In food industry it used as buffering agent, emulsifier, nutrition ingredients and quality improver .
Package:
In double layer bags of 25 Kg or 50 Kg or 1000 Kg net. It must be stored in places well ventilated and dry. |
