Names | |
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Preferred IUPAC name
O,O-Diethyl O-[4-(methanesulfinyl)phenyl] phosphorothioate | |
Identifiers | |
3D model (JSmol)
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ChemSpider | |
ECHA InfoCard | 100.003.741 |
PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
C11H17O4PS2 | |
Molar mass | 308.35 g·mol−1 |
Appearance | Brown liquid or yellow oil[1] |
Density | 1.20 g/mL (20°C)[1] |
0.2% (25°C) | |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards
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combustible[1] |
NIOSH (US health exposure limits): | |
PEL (Permissible)
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none[1] |
REL (Recommended)
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TWA 0.1 mg/m3[1] |
IDLH (Immediate danger)
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N.D.[1] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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.[2] It is widely used on corn, onions, rutabagas, pineapple, bananas, sugar cane, sugar beets, pea nuts, etc.