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Sodium Tripolyphospate
A polyphosphate of sodium, the sodium salt of triphosphoric acid.
Soluble in water and certain solvents.
| Synonym: | STPP, sodium triphosphate, pentasodium triphosphate
|
| Chemical Formula: | Na5P3O10
|
| Application: | -Used in water softening process
-Used as a sequestering, peptizing, deflocculating agent
-Used as a preservative for seafood, meats, poultry and pet foods
-Used as a builder in soaps and detergents
|
| Physical Properties: | Low toxicity
MP 622 oC
Density 2.52 g/cm3 |
| Item | Result |
|---|
| Na5P3O10 (%) | 94
|
| Fe (ppm) | 69
|
| Water Insoluble (%) | 0.1
|