Dimethachlor
Action/Use:
- Herbicide
Use:
Preemergence control of most annual grass and broadleaf weeds in oilseed rape.
Identification
Common Name(s): Dimethachlor (BSI, ISOE, WSSA); ; Diméthachlore (ISOF, (m))
Chemistry
Properties: Colorless crystals. Readily soluble in most organic solvents, e.g. ketones, alcohols, chlorinated hydrocarbons, and aromatic hydrocarbons. In methanol, benzene, dichloromethane >800 g/kg, n-octanol 440 g/kg at 25°C.
Mode of Action / Resistance Management
Chemical Group: chloroacetamide
Mode of Action: inhibition of VLCFAs (inhibition of cell divison)
Action Group: HRAC Group K3; WSSA Group 15
Registration
U.S.A.: Not registered.
Environmental Guidelines
Hazards: Fish: LC50 (96 h) 15 mg/l (bluegill sunfish); 3.9 mg/l (rainbow trout); 8 mg/l (crucian carp). Bird: LC50 200 ppm (mallard duck); 524 ppm (Japanese quail). Bee: LD50 >200 µg/bee
Water Solubility: 2.3 g/l at 25°C
Safety Guidelines
Signal Word: CAUTION
Toxicity Class: III
Toxicity: (Rat): Oral LD50 1600->2000 mg/kg. Dermal >3170 mg/kg
Suppliers and Branded Products
Basic Producers:
Premix Products:
+ Clomazone+ Napropamide
- Colzor* Trio — Syngenta
