Pendimethalin
Trade and Other Names: Trade names include AC 92553, Accotab, Go-Go-San, Herbadox, Penoxalin, Prowl, Sipaxol, Sovereign, Stomp and Way-Up.
Introduction: Pendimethalin is a selective herbicide used to control most annual grasses and certain broadleaf weeds in field corn, potatoes, rice, cotton, soybeans, tobacco, peanuts, and sunflowers. It is used both pre-emergence, that is before weed seeds have sprouted, and early post-emergence. Incorporation into the soil by cultivation or irrigation is recommended within 7 days following application. Pendimethalin is available in emulsifiable concentrate, wettable powder, or dispersible granule formulations.
Formulation: Pendimethalin is available in emulsifiable concentrate, wettable powder, or dispersible granule formulations.
Physical Properties:
Appearance: Pendimethalin is an orange-yellow crystalline solid with a faint nutty or fruit-like odor.
Chemical Name: N-(1-ethylpropyl)-2,6-dinitro-3,4-xylidine
CAS Number: 40487-42-1
Molecular Weight: 281.31
Water Solubility: 0.3 mg/L @ 20 C
Solubility in Other Solvents: v.s. in most organic solvents such as acetone and xylene; s. in corn oil, isopropanol, heptane, benzene, toluene, chloroform, and dichloromethane; s.s. in petroleum ether and petrol
Melting Point: 54-58 C
Vapor Pressure: 4 mPa @ 25 C
Partition Coefficient: 5.1818
Adsorption Coefficient: 5000