O,O,O-Triethylphosphorothioate
- CAS NO.：126-68-1
- Empirical Formula: C6H15O3PS
- Molecular Weight: 198.22
- MDL number: MFCD00048544
- EINECS: 204-797-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:55:46
What is O,O,O-Triethylphosphorothioate?
Chemical properties
Colorless liquid; characteristic odor. Combustible.
The Uses of O,O,O-Triethylphosphorothioate
Plasticizer, lubricant additive, antifoam agent, hydraulic fluid, intermediate.
Synthesis Reference(s)
Tetrahedron Letters, 30, p. 6757, 1989 DOI: 10.1016/S0040-4039(00)70669-1
Hazard
Toxic by ingestion, cholinesterase inhibitor.
Safety Profile
Poison by inhalation andintravenous routes. A cholinesterase inhibitor.Combustible when exposed to heat or flame; can reactwith oxidizing materials. When heated to decomposition itemits very toxic fumes of POx and SOx.
Properties of O,O,O-Triethylphosphorothioate
| Melting point: | >280 °C (decomp) |
| Boiling point: | 217°C |
| Density | 1.077 |
| refractive index | 1.4480 |
| Flash point: | 225°F (COC) |
| solubility | Chloroform, Ethyl Acetate (Slightly), Methanol (Slightly) |
| form | Oil |
| color | Colorless liquid |
| Odor | strong characteristic odor |
| EPA Substance Registry System | O,O,O-Triethyl phosphorothioate (126-68-1) |
Safety information for O,O,O-Triethylphosphorothioate
Computed Descriptors for O,O,O-Triethylphosphorothioate
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