O,S-Diethyl methylphosphonothioate
- CAS NO.：2511-10-6
- Empirical Formula: C5H13O2PS
- Molecular Weight: 168.19
- MDL number: MFCD01705977
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:56:25
What is O,S-Diethyl methylphosphonothioate?
The Uses of O,S-Diethyl methylphosphonothioate
O,S-Diethyl methylphosphonothioate is used as an inhibitor of cholinesterase. It is also used in pharmaceuticals, intermediates and fine chemicals. It also serves as phosphorylating and phosphitylating agents.
Properties of O,S-Diethyl methylphosphonothioate
| Melting point: | -8.2°C |
| Boiling point: | 95-97℃/10mm |
| Density | 1.094 |
| RTECS | TB1085000 |
| refractive index | 1.4740 |
| storage temp. | Hygroscopic, Refrigerator, under inert atmosphere |
| solubility | Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly) |
| form | Liquid |
| color | Colourless |
| Water Solubility | Immiscible with water. |
| Stability: | Moisture Sensitive |
| EPA Substance Registry System | Phosphonothioic acid, methyl-, O,S-diethyl ester (2511-10-6) |
Safety information for O,S-Diethyl methylphosphonothioate
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H300:Acute toxicity,oral H310:Acute toxicity,dermal H330:Acute toxicity,inhalation |
| Precautionary Statement Codes |
P320:Specific treatment is urgent (see … on this label). P330:Rinse mouth. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P405:Store locked up. |
Computed Descriptors for O,S-Diethyl methylphosphonothioate
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