Appearance: Pure metolachlor is light yellow oily liquit
Flash Point: 110-180°C
Vapour Pressure: 0.0017 Pa
Stability: Stable in water, Easy dissolves in alcohol, dichloromethane, benzene, toluene etc. many solvents. Hardly dissolves in ethylene glycol, petroleum.
Mode of Action:
Selective herbicide, absorbed predominantly by the hypocotyls and shoots. Inhibits germination
Characteristics and Uses:
Metolachlor is a kind of selective herbicide before sprout. It is principally used for weeds of goosgrass, largecrabgrass, sprangletop, greenbristlegrass, barnyardgrass, barn nutgrass, ducktongueweed common purslane, hen, pale smartweed, mustard. etc. Used to control insects on peanuts, sugarcane, soya beans, mainzes. Usually take surface treament of the presprout soil. The spray, mix with soil and water-mix etc. methods are used in application.
MAMMALIAN TOXICOLOGYOral Acute oral LD50 for female rats 1063, male rats 1936 mg/kg. Skin and eye Acute percutaneous LD50 for rats >5050 mg/kg. Mild skin and eye irritant (rabbits). May cause skin sensitisation (guinea pigs). InhalationLC50 (4 h) for rats >2.02 mg/l air. NOEL (90 d) for rats 300 mg/kg diet (c. 15 mg/kg daily), for mice 100 mg/kg diet (c. 100 mg/kg daily), for dogs 300 mg/kg diet (c. 9.7 mg/kg daily). ADI (EPA) cRfD 0.10 mg/kg b.w. . Water GV 0.01 mg/l Toxicity class WHO (a.i.) IIIEPA (formulation)IIIEC classification (R43) ECOTOXICOLOGYBirds Acute oral LD50 for mallard ducks and bobwhite quail >2150 mg/kg. Dietary LC50 (8 d) for bobwhite quail and mallard ducks >10 000 mg/kg. FishLC50 (96 h) for rainbow trout 3.9, carp 4.9, bluegill sunfish 10 mg/l. DaphniaLC50 (48