Fensulfothion

Last updated
Fensulfothion
Fensulfothion.svg
Names
Preferred IUPAC name
O,O-Diethyl O-[4-(methanesulfinyl)phenyl] phosphorothioate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.003.741 OOjs UI icon edit-ltr-progressive.svg
PubChem CID
UNII
  • 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
  • S=P(Oc1ccc(cc1)S(=O)C)(OCC)OCC
Properties
C11H17O4PS2
Molar mass 308.35 g·mol−1
AppearanceBrown 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
combustible [1]
NIOSH (US health exposure limits):
PEL (Permissible)
none [1]
REL (Recommended)
TWA 0.1 mg/m3 [1]
IDLH (Immediate danger)
N.D. [1]
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. [2] It is widely used on corn, onions, rutabagas, pineapple, bananas, sugar cane, sugar beets, pea nuts, etc.

Contents

Safety

It is highly toxic and listed as an extremely hazardous substance. [3]

References

  1. 1 2 3 4 5 6 NIOSH Pocket Guide to Chemical Hazards. "#0284". National Institute for Occupational Safety and Health (NIOSH).
  2. Metcalf Deceased, Robert L.; Horowitz, Abraham Rami (2014). "Insect Control, 2. Individual Insecticides". Ullmann's Encyclopedia of Industrial Chemistry. pp. 1–94. doi:10.1002/14356007.s14_s01. ISBN   978-3-527-30673-2.
  3. Appendix A List of Extremely Hazardous Chemicals