EPN (insecticide)

EPN (insecticide)
Names
IUPAC name
O-Ethyl O-(4-nitrophenyl) phenylphosphonothioate
Other names
Ethyl p-nitrophenyl thionobenzenephosphonate, Ethyl p-nitrophenyl benzenethionophosphonate
Identifiers
2104-64-5
ChemSpider 15571
Jmol interactive 3D Image
PubChem 16421
Properties
C14H14NO4PS
Molar mass 323.30 g·mol−1
Appearance Light yellow crystalline powder[1]
Density 1.3 g/cm3[1]
Melting point 36 °C (97 °F; 309 K)[1]
Insoluble[1]
Hazards
Flash point noncombustible [2]
Lethal dose or concentration (LD, LC):
20 mg/kg (oral, dog)
8 mg/kg (oral, rat)
36 mg/kg (oral, rat)
7 mg/kg (oral, rat)
12.2 mg/kg (oral, mouse)[3]
US health exposure limits (NIOSH):
TWA 0.5 mg/m3 [skin][2]
TWA 0.5 mg/m3 [skin][2]
5 mg/m3[2]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

EPN is an insecticide of the phosphonothioate class.[4] It is used against pests such as European corn borer, rice stem borer, bollworm, tobacco budworm, and boll weevil.[5]

References

  1. 1 2 3 4 "EPN International Chemical Safety Card". National Institute for Occupational Safety and Health.
  2. 1 2 3 4 "NIOSH Pocket Guide to Chemical Hazards #0255". National Institute for Occupational Safety and Health (NIOSH).
  3. "EPN". Immediately Dangerous to Life or Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH). 4 December 2014. Retrieved 19 March 2015.
  4. "EPN Data Sheet". alanwood.net.
  5. "EPN Chemical Profile". Pesticide Management Education Program, Cornell University.

External links


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