Monocrotophos

Monocrotophos
Names
Preferred IUPAC name
Dimethyl (2E)-4-(methylamino)-4-oxobut-2-en-2-yl phosphate
Other names
3-Hydroxy-N-methylcrotonamide dimethylphosphate, Monocron
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.027.311 Edit this at Wikidata
KEGG
UNII
  • InChI=1S/C7H14NO5P/c1-6(5-7(9)8-2)13-14(10,11-3)12-4/h5H,1-4H3,(H,8,9)/b6-5+ checkY
    Key: KRTSDMXIXPKRQR-AATRIKPKSA-N checkY
  • InChI=1/C7H14NO5P/c1-6(5-7(9)8-2)13-14(10,11-3)12-4/h5H,1-4H3,(H,8,9)/b6-5+
    Key: KRTSDMXIXPKRQR-AATRIKPKBN
  • O=P(O/C(=C/C(=O)NC)C)(OC)OC
Properties
C7H14NO5P
Molar mass 223.2 g/mol
Appearance Colorless to reddish-brown solid
Odor Mild, ester-like[1]
Density 1.33 g/cm3
Melting point 55 °C (131 °F; 328 K)
Boiling point 120 °C (248 °F; 393 K) .0005 mmHg
miscible[1]
Vapor pressure 0.000007 mmHg (20°C)[1]
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 blood cholinesterase[1]
Flash point > 93 °C; 200 °F; 366 K[1]
NIOSH (US health exposure limits):
PEL (Permissible)
 none[1]
REL (Recommended)
 TWA 0.25 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).
checkY verify (what is checkY☒N ?)

Monocrotophos is an organophosphate insecticide. It is acutely toxic to birds and humans, so it has been banned in the U.S., the E.U., India and many other countries.

  1. ^ a b c d e f g h NIOSH Pocket Guide to Chemical Hazards. "#0435". National Institute for Occupational Safety and Health (NIOSH).