Pendimethalin

Pendimethalin is an herbicide of the dinitroaniline class used in premergence and postemergence applications to control annual grasses and certain broadleaf weeds. It inhibits cell division and cell elongation. Pendimethalin is listed in the K1-group according to the Herbicide Resistance Action Committee (HRAC) classification and is approved in Europe, North America, South America, Africa, Asia and Oceania for different crops including cereals (wheat, barley, rye, triticale), corn, soybeans, rice, potato, legumes, fruits, vegetables, nuts as well as lawns and ornamental plants.

Pendimethalin
Names
Preferred IUPAC name
3,4-Dimethyl-2,6-dinitro-N-(pentan-3-yl)aniline
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.049.927
EC Number
  • 254-938-2
KEGG
UNII
UN number 3077 2588
  • InChI=1S/C13H19N3O4/c1-5-10(6-2)14-12-11(15(17)18)7-8(3)9(4)13(12)16(19)20/h7,10,14H,5-6H2,1-4H3 N
    Key: CHIFOSRWCNZCFN-UHFFFAOYSA-N N
  • InChI=1/C13H19N3O4/c1-5-10(6-2)14-12-11(15(17)18)7-8(3)9(4)13(12)16(19)20/h7,10,14H,5-6H2,1-4H3
    Key: CHIFOSRWCNZCFN-UHFFFAOYAS
  • CCC(CC)Nc1c([N+](=O)[O-])cc(C)c(C)c1[N+](=O)[O-]
Properties
C13H19N3O4
Molar mass 281.312 g·mol−1
Density 1.17 g/cm3
Melting point 47 to 58 °C (117 to 136 °F; 320 to 331 K)
Boiling point 330 °C (626 °F; 603 K)
0.275 ppm
Hazards
GHS labelling:
Warning
H317, H410
P261, P272, P273, P280, P302+P352, P321, P333+P313, P363, P391, P501
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
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