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Cas Database |
| Name |
Trimethyl thiophosphate |
EINECS | N/A |
| CAS No. | 152-18-1 | Density | 1.208g/cm3 |
| PSA | 69.59000 | LogP | 1.80070 |
| Solubility | N/A | Melting Point |
>116 °C (decomp) |
| Formula | C3H9 O3 P S | Boiling Point | 131.3°Cat760mmHg |
| Molecular Weight | 156.142 | Flash Point | 33.2°C |
| Transport Information | N/A | Appearance | N/A |
| Safety | Potentially explosive exothermic reaction with chlorine. When heated to decomposition it emits toxic fumes of POx and SOx. | Risk Codes | N/A |
| Molecular Structure |
|
Hazard Symbols | N/A |
| Synonyms |
7900-HC; HC7900; Methyl phosphorothioate ((MeO)3PS); O,O,O-Trimethyl phosphorothioate;O,O,O-Trimethyl phosphorothionate; O,O,O-Trimethyl thiophosphate; SD 4741;Trimethoxyphosphine sulfide; Trimethyl thionophosphate |
Article Data | 17 |
Trimethyl thiophosphate Chemical Properties
IUPAC Name:Trimethoxy(sulfanylidene)-λ5-phosphane (152-18-1)
Synonyms: O,O,O-Trimethyl phosphorothioate ; O,O,O-Trimethythiophosphate ; Trimethylphosphorothionate ; Trimethyl thiophosphate ; (CH3O)3PS ; 7900-HC ; HC7900 ; HC7900
CAS: 152-18-1
Molecular Formula of Trimethyl thiophosphate (152-18-1) : C3H9O3PS
Molecular Weight of Trimethyl thiophosphate (152-18-1) :156.14
Molecular Structure Trimethyl thiophosphate (152-18-1) :
Mol File: 152-18-1.mol
Surface Tension: 39.6 dyne/cm
Density: 1.208 g/cm3
Flash Point: 33.2 °C
Enthalpy of Vaporization: 35.37 kJ/mol
Boiling Point: 131.3 °C at 760 mmHg
Vapour Pressure: 11.4 mmHg at 25°C
Trimethyl thiophosphate Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | 900mg/kg (900mg/kg) | Actualites Pharmacologiques. Vol. 16, Pg. 7, 1963. | |
| mouse | LD50 | oral | 1150mg/kg (1150mg/kg) | Journal of Agricultural and Food Chemistry. Vol. 28, Pg. 599, 1980. | |
| rat | LC50 | inhalation | 220ppm/4H (220ppm) | "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1148, 1986. | |
| rat | LD50 | oral | 562mg/kg (562mg/kg) | "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1148, 1986. |
Trimethyl thiophosphate Safety Profile
RIDADR UN3278
HazardClass 6.1
PackingGroup III
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