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| Classification: Phosphate | Name: Sodium Tripolyphosphate |
| CAS No.: 7758-29-4 | Other Names: pentasodium tripolyphosphate |
| MF: Na5P3O10 | EINECS No.: 231-838-7 |
| Place of Origin: China(Mainland) | Grade Standard: Industrial / Technical |
| Brand Name: ZEXIN | Appearance: White Powder/Granule |
| Purity:≥94% | Water insoluble: ≤0.1% |
| pH ( 1% solution ):9.2~10.0 | Phosphoric anhydride: ≥57% |
| Stacking density: 0.35~0.95g/cm3 | Whiteness:≥90% |
Sodium tripolyphosphate (STPP) Technical Grade
STPP is a is an inorganic compound with formula Na5P3O10. It is the sodium salt of the polyphosphate penta-anion, which is the conjugate base of triphosphoric acid. It is produced on a large scale as a component of many domestic and industrial products, especially detergents and ceramic.
