Product introduction
Sodium tripolyphosphate, also known as pentasodium phosphate, sodium pyrometaphosphate , STPP, pentasodium tripolyphosphate. White powdery crystal, good fluidity, melting point 622℃, easily soluble in water, and its aqueous solution is alkaline. It is commonly used in food as moisture retention agent, quality improver, pH regulator, and metal chelating agent .
Application
1) Used in meat processing , synthetic detergent formulations , textile dyeing.
2) Used as a dispersant, co-solvent , etc. Used as a high-efficiency water softener for cooling water treatment in power stations, roling stock , boilers and fertilizer plants.
3) Used as a soap synergist and to prevent the precipitation and blooming of bar soap grease.
Product details
Product name | Sodium tripolyphosphate |
CASNo. | 7758—29—4 |
MF | Na5O10P3 |
EINECS No. | 231—838—7 |
Appearance | white powdery crystal |
Size | Food grade / industrial grade |
Brand Name | Pulis |
Packaging | 25kg/50kg/1000kg bag |
Specification
Item | Index | Test results |
Na5P3O10 | =94% | 96.3% |
P205 | =57% | 57.5% |
Fe | =0.015% | 0.003% |
Water insolubles | =0.1% | 0.048% |
PH value (10g/ L solution) | 9.2—10 | 9.69 |
As ( As Pb) | =0.001% | 0.001% |
Fluoride ( As F) | =0.003% | 0.0006% |