| Names | |
|---|---|
| Preferred IUPAC name
O,O-Diethyl O-[4-(methanesulfinyl)phenyl] phosphorothioate | |
| Identifiers | |
3D model (JSmol) |
|
| ChemSpider | |
| ECHA InfoCard | 100.003.741 |
PubChem CID |
|
| UNII | |
CompTox Dashboard (EPA) |
|
| |
| |
| Properties | |
| C11H17O4PS2 | |
| Molar mass | 308.35 g·mol−1 |
| Appearance | Brown liquid or yellow oil |
| Density | 1.20 g/mL (20°C) |
| 0.2% (25°C) | |
| Hazards | |
| Occupational safety and health (OHS/OSH): | |
Main hazards |
combustible |
| NIOSH (US health exposure limits): | |
PEL (Permissible) |
none |
REL (Recommended) |
TWA 0.1 mg/m3 |
IDLH (Immediate danger) |
N.D. |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
| |
Fensulfothion is an organophosphorus compound with the formula CH2S(O)C6H4OP(S)(OC2H5)2. It is an insecticide and nematicide that acts by inhibiting the enzyme acetylcholinesterase. Chemically, it is classified as a thiophosphate. It is widely used on corn, onions, rutabagas, pineapple, bananas, sugar cane, sugar beets, pea nuts, etc.
It is highly toxic and listed as an extremely hazardous substance.