| CAS No.: | 7758-29-4 |
|---|---|
| Formula: | Na5o10p3 |
| EINECS: | 231-838-7 |
| Certification: | ISO |
| Purity: | 90%~99% |
| Type: | Tripolyphosphate |
| Samples: |
|---|
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Audited Supplier White Powder Food Additives STPP Sodium Phosphate Tripolyphosphate 94%
Sodium triphosphate (STP, STPP or sodium tripolyphosphate or TPP, ) 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. Environmental problems associated with eutrophication are attributed to its widespreaduse.
| Sodium Tripolyphosphate / STPP | ||
| Indexes | Industrial Grade | Food Grade |
| Assay Na5P3O10 % ≥ | 94.0 | 94.0 |
| P2O5 % ≥ | 57.0 | 57.0 |
| Water Insoluble Matter %≤ | 0.15 | 0.05 |
| Iron(Fe) %≤ | 0.01 | 0.01 |
| PH value (1% water solution) | 9.2-10.0 | 9.5-10.0 |
| Heavy Metal (as Pb) %≤ | -- | 0.001 |
| Arse nic (As) %≤ | -- | 0.0003 |
| Fluoride (F) %≤ | -- | 0.003 |
| Particle Size Through 16 mesh sieve %≥ Through 35 mesh sieve %≥ Trough 100 mesh sieve %≥ |
95.0 90.0 40.0 |
95.0 90.0 40.0 |
25kg/bag or 1000kg/bag
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