Chemistry:Fensulfothion

Fensulfothion

Names
Preferred IUPAC name O,O-Diethyl O-[4-(methanesulfinyl)phenyl] phosphorothioate
Identifiers
CAS Number	115-90-2 Y
3D model (JSmol)	Interactive image
ChemSpider	7991
PubChem CID	8292
UNII	VB39B105PO Y
InChI InChI=1S/C11H17O4PS2/c1-4-13-16(17,14-5-2)15-10-6-8-11(9-7-10)18(3)12/h6-9H,4-5H2,1-3H3 Key: XDNBJTQLKCIJBV-UHFFFAOYSA-N InChI=1/C11H17O4PS2/c1-4-13-16(17,14-5-2)15-10-6-8-11(9-7-10)18(3)12/h6-9H,4-5H2,1-3H3 Key: XDNBJTQLKCIJBV-UHFFFAOYAH
SMILES S=P(Oc1ccc(cc1)S(=O)C)(OCC)OCC
Properties
Chemical formula	C11H17O4PS2
Molar mass	308.35 g·mol−1
Appearance	Brown liquid or yellow oil
Density	1.20 g/mL (20°C)
Solubility in water	0.2% (25°C)
Hazards
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).
Infobox references

Fensulfothion is an organophosphorus compound with the formula CH
2S(O)C
6H
4OP(S)(OC
2H
5)
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.

Safety

It is highly toxic and listed as an extremely hazardous substance.

External links

• Fensulfothion in the Pesticide Properties DataBase (PPDB)