Tetrasodium pyrophosphate CAS#7722‑88‑5
Sodium Pyrophosphate belongs to a key class of inorganic phosphate compounds. Under ambient temperature conditions, it appears as an odorless, tasteless white powder featuring excellent flow‑ability.
Tetrasodium pyrophosphate Chemical Properties
| Melting point | 80 °C |
| Boiling point | 93.8 °C |
| density | 2.53 g/mL at 25 °C(lit.) |
| vapor pressure | 0Pa at 20℃ |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | H2O: 0.1 M at 20 °C, clear, colorless |
| form | Granular |
| color | White |
| Specific Gravity | 2.534 |
| Odor | Odorless |
| PH Range | 10.3 |
| Water Solubility | Soluble in water. Insoluble in ethyl alcohol. |
| Sensitive | Hygroscopic |
| Merck | 14,9240 |
| Exposure limits | NIOSH: TWA 5 mg/m3 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| InChIKey | FQENQNTWSFEDLI-UHFFFAOYSA-J |
| LogP | -3.42 |
CAS DataBase Reference | 7722-88-5(CAS DataBase Reference) |
EPA Substance Registry System | Tetrasodium pyrophosphate (7722-88-5) |
Safety Information
| Hazard Codes | Xi,Xn |
| Risk Statements | 36/37/38-41-22 |
| Safety Statements | 26-36-39 |
| OEB | B |
| OEL | TWA: 5 mg/m3 |
| WGK Germany | 3 |
| RTECS | UX7350000 |
| TSCA | Yes |
| HS Code | 28353990 |
Hazardous Substances Data | 7722-88-5(Hazardous Substances Data) |