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Tetramethylpyrophosphate

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Tetramethylpyrophosphate

EINECS N/A
CAS No. 690-49-3 Density 1.34g/cm3
PSA 99.91000 LogP 1.80480
Solubility N/A Melting Point N/A
Formula C4H12 O7 P2 Boiling Point 179.9°C at 760 mmHg
Molecular Weight 234.083 Flash Point 77°C
Transport Information N/A Appearance N/A
Safety Poison by ingestion and intraperitoneal routes. When heated to decomposition it emits toxic fumes of POx. See also PHOSPHATES. Risk Codes N/A
Molecular Structure Molecular Structure of 690-49-3 (TETRAMETHYLPYROPHOSPHATE) Hazard Symbols N/A
Synonyms

Diphosphoricacid, tetramethyl ester (9CI); Methyl pyrophosphate (Me4P2O7) (6CI,7CI);Pyrophosphoric acid, tetramethyl ester (8CI); Tetramethyl pyrophosphate

Article Data 10

Tetramethylpyrophosphate Chemical Properties

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

Tetramethylpyrophosphate Toxicity Data With Reference

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.

Tetramethylpyrophosphate Safety Profile

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.

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