| Identification | ||
| Name | Sodium tripolyphosphate | |
| Synonyms | Pentasodium triphosphate; Sodium triphosphate; STPP | |
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| Molecular Structure |
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| Molecular Formula | Na5P3O10 | |
| Molecular Weight | 367.86 | |
| CAS Registry Number | 7758-29-4 | |
| EINECS | 231-838-7 | |
| Properties | ||
| Water solubility | 20 g/100 mL (20 ºC) | |