Tetrasodium Pyrophosphate
Negotiable
Min.Order:1
Lianyungang Shuren Kechuang Food Additive Co., Ltd.
1,Formula :Na4P2O7
2,Formula wt: anhydrous 265.90
3,CAS: anhydrous [7722-88-5]
4,Einecs: 231-767-1
5,Specificity: Colourless or white crystals, or a white crystalline or granular powder, easily vaporize. It will loose water at 100℃. It will melt at 985℃, easily melt in water, can not melt in ethyl alcohol. Aqueous is alkalescence.
6,H.S. Code: 28352990 CIQ Checking: Non Statutory Inspection
Name of index |
| FCC-V | E450(iii) |
Description |
| Colourless or white crystals, or a white crystalline or granular powder | |
Identification |
| Pass test | |
Solubility |
| -- | Soluble in water. Insoluble in ethanol |
pH of a 1 % solution |
| -- | 9.8-10.8 |
Assay (ignited basis) | % | 95.0-100.5 | ≥95 |
P2O5 Content | % | -- | 52.5-54.0 |
Water insoluble | ≤% | 0.2 | 0.2 |
Fluoride | ≤% | 0.005 | 0.001(expressed as fluorine) |
Loss on Ignition | ≤% | 0.5 | 0.5(105℃,4h then 550℃30m) |
As | ≤mg/kg | 3 | 1 |
Cadmium | ≤mg/kg | -- | 1 |
Mercury | ≤mg/kg | -- | 1 |
Lead | ≤mg/kg | 4 | 1 |