Dimethametryn
Action/Use:
- Herbicide
Use:
For control of annual broadleaf weeds and some sedges in rice.
Identification
Common Name(s): Dimethametryn (ISO, BSI, ISOE, JMAF)
Chemistry
Class: Triazine.
Formula: C11H2F21N5S.
Properties: Colorless crystals. Melting point 65°C. Boiling point 151-153°C/0.05 mmHg. Solubility at 20°C in acetone 650 g/l, dichlormethane 800 g/l, hexane 60 g/l, methanol 700 g/l, n-octanol 350 g/l, toluene 600 g/l.
Mode of Action / Resistance Management
Chemical Group: Triazine
Mode of Action: Inhibition of photosynthesis at photosystem II
Action Group: HRAC Group C1
Registration
U.S.A.: Not registered.
Environmental Guidelines
Water Solubility: 50 mg/l at 20°C
Hazards: Fish: LC50 (96 h) >5 mg/l (rainbow trout); 8 mg/l (crucian carp). Bird: Dietary (8 day) LC50 >1000 ppm (Japanese quail). Bee: LC50 (48 h) >100 µg/bee (contact, oral)
Safety Guidelines
Signal Word: DANGER
Toxicity Class: I
Toxicity: (Rat): Oral LD50 3000 mg/kg; Dermal LD50 >2150 mg/kg; Inhalation LC50 (4 h) >5460 mg/m3
Suppliers and Branded Products
Discontinued Names:
Avirosan*
Kusahope* D
