Demeton

Demeton
Names
IUPAC name
O,O-Diethyl S-2-(ethylsulfanyl)ethyl phosphorothioate
Other names
Demeton thiol; Izosystox
Identifiers
126-75-0 N
3D model (Jmol) Interactive image
ChemSpider 23115 YesY
ECHA InfoCard 100.149.173
PubChem 24723
Properties
C8H19O3PS2
Molar mass 258.3384 g/mol
Appearance colorless to amber oily liquid[1]
Odor sulfurous
Density 1.146 g/cm3
Boiling point 128 °C (262 °F; 401 K)
2.0 g/100 mL
1.5
Hazards
Flash point 147.6 °C (297.7 °F; 420.8 K)
Lethal dose or concentration (LD, LC):
1.5 mg/kg (oral, rat)
5 mg/kg (rabbit, oral)
7.85 mg/kg (mouse, oral)
1.7 mg/kg (rat, oral)[2]
15 mg/m3 (rat, 4 hr)
15 mg/m3 (cat, 4 hr)[2]
US health exposure limits (NIOSH):
PEL (Permissible)
 TWA 0.1 mg/m3 [skin][1]
REL (Recommended)
 TWA 0.1 mg/m3 [skin][1]
IDLH (Immediate danger)
 10 mg/m3[1]
Related compounds
Demeton-S-methyl
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Demeton is a phosphorothioate insecticide with the chemical formula C8H19O3PS2.

See also

References

  1. 1 2 3 4 "NIOSH Pocket Guide to Chemical Hazards #0177". National Institute for Occupational Safety and Health (NIOSH).
  2. 1 2 "Demeton". Immediately Dangerous to Life and Health. National Institute for Occupational Safety and Health (NIOSH).


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