Fomesafen

Trade name(s) Agent, Reflex, Top Gun Flex

Manufacturer(s) Loveland, Syngenta and Winfield Solutions

Formulation(s) 1.88 and 2 lb sodium salt/gal

Remarks Selective preemergence herbicide primarily for broadleaf weed control.

Water solubility 50 mg/L for acid; 600,000 mg/L for sodium salt

Storage conditions Store above 32°F to prevent freezing

Acute toxicity LD50 - 1,250 to 2,000 mg/kg

Action in plant Inhibits protoporphyrinogen oxidase (PPO) that disrupts cell membranes

Site of action Group 14: protoporphyrinogen oxidase inhibitor

Chemical family diphenylether

Koc Average is 60 mL/g for the Na salt