Flurochloridone
Action/Use:
- Herbicide
Use:
Preemergence control for cotton, potatoes, winter rye, winter wheat, and sunflowers.
Identification
Common Name(s): Flurochloridone (BSI, draft E-ISO, draft F-ISO); ; Fluorochloridone (WSSA)
Chemistry
Formula: C12H10CI2F3NO.
Properties: Mixture cis- & trans- isomers in the ratio 1:3. Form: brown-beige, waxy solid. Melting point 55.6°-79.7°C. Solubility (20°C): ethanol 100 g/l, kerosene <5 g/l. Readily soluble in acetone, chlorobenzene, xylene.
Mode of Action / Resistance Management
Mode of Action: Bleaching inhibition of carotenoid biosynthesis at the phytoene desaturase step (PDS)
Action Group: HRAC Group F1; WSSA Group 12
Environmental Guidelines
Hazards: Fish: LC50 (96 h) 3.0 mg/l (rainbow trout); 6.7 mg/l (bluegill sunfish). Bird: Oral LD50 >2000 mg/kg (bobwhite quail). Dietary LC50 (5 d) >5000 mg/kg (mallard duck, bobwhite quail). Bee: Contact, oral LD50 >100 µg/bee
Water Solubility: 35.1 mg/l (distilled), 20.4 mg/l (pH 9) (25°C)
Safety Guidelines
Signal Word: CAUTION
Toxicity Class: III
Toxicity: (Rat): LD50 4000 mg/kg (male); 3650 (female). Inhalation LC50 (4 h) >0.121 mg/l air. (Rabbit): Dermal LD50 >5000 mg/kg
Suppliers and Branded Products
Basic Producers:
Formulators' Trade Names:
Stockton Agrimor AG (Ares*, Fidelity*)
Premix Products:
+ Acetochlor
- Twinpack* — Makhteshim Agan Group
