Product
Industrial additive
Industrial sodium tripolyphosphate
Sodium tripolyphosphate is an inorganic substance, also known as pentasodium phosphate, sodium pyrometaphosphate, STPP, or pentasodium tripolyphosphate. The chemical formula is Na5P3O10, with a relative molecular weight of 367.86 and a melting point of 622 ℃. It is a type of amorphous water-soluble linear polyphosphate. It has functions such as chelation, suspension, dispersion, gelation, and emulsification.
Specification and MSDS
| 别称 | 三聚磷酸钠 |
| CAS | 7758-29-4 |
| 化学式 | Na5P3O10 |
| 熔点 | 622℃ |
| 纯度 | ≥99.0% |
| 分子量 | 367.86 |
| 密度 | 2.52g/cm³ |
| PH值 | 9.0-10.0 (25℃, 1% in H2O) |
For specific product specifications and MSDS,please contact the product manager
Product packaging and storage conditions
Packaging: Net weight 25 kg/pack
Storage conditions: clean, dry, and ventilated storage
Shelf life: 24 months (unopened)







