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CAS No.: | 690-49-3 |
---|---|
Name: | TETRAMETHYLPYROPHOSPHATE |
Article Data: | 10 |
Molecular Structure: | |
Formula: | C4H12 O7 P2 |
Molecular Weight: | 234.083 |
Synonyms: | Diphosphoricacid, tetramethyl ester (9CI); Methyl pyrophosphate (Me4P2O7) (6CI,7CI);Pyrophosphoric acid, tetramethyl ester (8CI); Tetramethyl pyrophosphate |
Density: | 1.34g/cm3 |
Boiling Point: | 179.9°C at 760 mmHg |
Flash Point: | 77°C |
Safety: | Poison by ingestion and intraperitoneal routes. When heated to decomposition it emits toxic fumes of POx. See also PHOSPHATES. |
PSA: | 99.91000 |
LogP: | 1.80480 |
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IUPAC Name: Dimethoxyphosphoryl dimethyl phosphate
Synonyms of Tetramethylpyrophosphate (CAS NO.690-49-3) : Diphosphoric acid, tetramethyl ester ; Methyl pyrophosphate ; Tetramethyldifosfat ; Pyrophosphoric acid, tetramethyl ester
CAS NO:690-49-3
Molecular Formula: C4H12O7P2
Molecular Weight :234.081402 g/mol
Molecular Structure :
Index of Refraction:1.407
Surface Tension: 38 dyne/cm
Density: 1.34 g/cm3
Flash Point: 77 °C
Enthalpy of Vaporization: 39.91 kJ/mol
Boiling Point: 179.9 °C at 760 mmHg
Vapour Pressure: 1.24 mmHg at 25°C
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
mouse | LD50 | intraperitoneal | 589ug/kg (0.589mg/kg) | PERIPHERAL NERVE AND SENSATION: FLACCID PARALYSIS WITHOUT ANESTHESIA (USUALLY NEUROMUSCULAR BLOCKAGE) | Pharmazie. Vol. 35, Pg. 806, 1980. |
rat | LD50 | oral | 1700ug/kg (1.7mg/kg) | Journal of Agricultural and Food Chemistry. Vol. 31, Pg. 710, 1983. |
Poison by ingestion and intraperitoneal routes. When Tetramethylpyrophosphate (CAS NO.690-49-3) is heated to decomposition ,it emits toxic fumes of POx. See also PHOSPHATES.