Food additive Sodium tripolyphosphate with 94% purity CAS 7758-29-4
| Sodium tripolyphosphate Basic information | |
| Product Name: | Sodium tripolyphosphate |
| CAS: | 7758-29-4 |
| MF: | Na5O10P3 |
| MW: | 367.86 |
| EINECS: | 231-838-7 |
| Mol File: | 7758-29-4.mol |
| Sodium tripolyphosphate Chemical Properties | |
| Melting point | 622 °C |
| density | 2.52 g/cm3 (20ºC) |
| vapor pressure | <0.1 hPa (20 °C) |
| storage temp. | Storage temperature: no restrictions. |
| solubility | H2O: may be clear to slightly hazy |
| form | Powder/Solid |
| color | White |
| Odor | Odorless |
| PH | 9.0-10.0 (25ºC, 1% in H2O) |
| PH Range | 9.5 - 10.3 at 1 g/l at 20 °C |
| Water Solubility | 20 g/100 mL (20 ºC) |
| Sensitive | Hygroscopic |
| Merck | 148,697 |
| Stability: | Stable. Incompatible with strong oxidizing agents, strong acids. Hygroscopic. |
| InChIKey | HWGNBUXHKFFFIH-UHFFFAOYSA-I |
| CAS DataBase Reference | 7758-29-4(CAS DataBase Reference) |
| EPA Substance Registry System | Sodium tripolyphosphate (7758-29-4) |
| Testing Items | Testing Result |
| Appearance | White powder |
| Purity%≥ | 94 |
| P2O5%≥ | 57 |
| Fe% ≤ | 0.01 |
| PH(1%Solution) | 9.2-10.0 |
| Insoluble in Water% ≤ | 0.15 |
| Whiteness %≥ | 90 |