Fonofos
Names
Preferred IUPAC name
O-Ethyl S-phenyl ethylphosphonodithioate
Other names
Dyfonate, Dyphonate, Fonophos
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.012.189 Edit this at Wikidata
UNII
  • InChI=1S/C10H15OPS2/c1-3-11-12(13,4-2)14-10-8-6-5-7-9-10/h5-9H,3-4H2,1-2H3
    Key: KVGLBTYUCJYMND-UHFFFAOYSA-N
  • InChI=1/C10H15OPS2/c1-3-11-12(13,4-2)14-10-8-6-5-7-9-10/h5-9H,3-4H2,1-2H3
    Key: KVGLBTYUCJYMND-UHFFFAOYAE
  • S=P(Sc1ccccc1)(OCC)CC
Properties
C10H15OPS2
Molar mass 246.32 g·mol−1
Appearance Light-yellow liquid with an aromatic odor[1]
Density 1.16 g/cm3[2]
Boiling point 130 °C (266 °F; 403 K) 0.13 mbar[2]
0.001% (20°C)[3]
Vapor pressure 0.0002 mmHg (25°C)[3]
Hazards
Flash point > 94 °C; 201 °F; 367 K[3]
NIOSH (US health exposure limits):
PEL (Permissible)
 none[3]
REL (Recommended)
 TWA 0.1 mg/m3 [skin][3]
IDLH (Immediate danger)
 N.D.[3]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Fonofos is an organothiophosphate insecticide primarily used on corn.[4] It is highly toxic[4] and listed as an extremely hazardous substance. [5]

Physical and chemical properties

Physical properties

At room temperature, fonofos has a clear-to-yellow color. It has a distinct Mercaptan odour. It is soluble in most common organic Solvents. It is available in multiple forms, including granular, microgranular,

References

  1. ^ CDC – NIOSH Pocket Guide to Chemical Hazards
  2. ^ a b Record in the GESTIS Substance Database of the Institute for Occupational Safety and Health
  3. ^ a b c d e f NIOSH Pocket Guide to Chemical Hazards. "#0292". National Institute for Occupational Safety and Health (NIOSH).
  4. ^ a b Fonofos, Pesticide Information Profile, Extension Toxicology Network
  5. ^ Appendix A List of Extremely Hazardous Chemicals


Categories