Trade name(s) Hyvar X, Hyvar X-L
Formulation(s) 80% wettable powder, 2 lb/gal water-soluble liquid
Remarks A substituted uracil compound used preemergence or as a spot-treatment on brush. A nonselective soil-residual herbicide; controls a wide range of weeds and brush.
Water solubility 815 ppm
Storage conditions Stable to 0°F, but water-soluble formulations become less soluble when exposed to air.
Acute toxicity LD50 - 5,200 mg/kg
Action in plant Inhibits photosynthesis.
Site of action Group 5: photosystem II inhibitor
Chemical family Uracil
Koc Average is 32 mL/g