Fomesafen
Action/Use:
- Herbicide
Use:
Postemergence, over the top, on soybeans. Battle Star* for use on soybeans and cotton.
Identification
Common Name(s): Fomesafen (ANSI, BSI, ISOE); ; fomésaféne (ISOF)
Chemistry
Properties: Flex*: White crystalline solid. Melting point 220°C. Stable up to 2 years at 25°C, 6 months at 50°C. Reflex*: Clear, pale yellow odorless liquid. Boiling point 213°F (100.6°C). Incompatible with acids. Soluble in range of organic solvents.
Mode of Action / Resistance Management
Chemical Group: Diphenylether
Mode of Action: Inhibition of protoporphyrinogen oxidase (PPO)
Action Group: HRAC Group E; WSSA Group 14
Registration
Outside U.S.A.: Flexstar* GT in Canada. Flosil* in Argentina.
Environmental Guidelines
Water Solubility: Soluble, 50 mg/l at 25°C (pH 7); <1 mg/l (pH 1)
Safety Guidelines
Signal Word: WARNING
Toxicity Class: II
Toxicity: Reflex* (Rat): Oral LD50 1858 mg/kg (male), 1499 mg/kg (female). (Rabbit): Moderate eye, skin irritation
Protective Clothing: Chemical-resistant gloves. Protective eyewear.
Suppliers and Branded Products
Basic Producers:
Albaugh, Inc. (Battle Star*)
Cheminova A/S (Dawn*)
IPESA S.A. (Flosil*)
Shandong Kesai Eagrow Co., Ltd. (Eagrow*)
Syngenta (Flex*, Flexstar*, Reflex*)
Wangs Crop-Science Co., Ltd. (Format*)
Willowood USA (Willowood* Fomesafen)
Formulators' Trade Names:
Cheminova, Inc. (Dawn*, Rhythm*)
B.V. Industrie- & Handelsonderneming Simonis (Wopro-fomesafen*)
Willowood Ltd. (Willowood* Fomesafen)
Discontinued Names:
Tornado*
Twister*
