Trade name(s) Princep, Simazine, Sim-Trol
Manufacturer(s) Drexel, Loveland, Sipcam Agro, Syngenta, WinField
Formulation(s) 80% wettable powder, 4 lb/gal flowable liquid, and 90% water-dispersible granules, 90% dry flowable
Remarks A triazine herbicide used selectively or as a complete vegetation killer. Requires considerable moisture to activate in soil. Shows long residual action.
Water solubility 3.5 ppm
Storage conditions Stable.
Acute toxicity LD50 - 5,000 mg/kg
Action in plant Inhibits photosynthesis.
Site of action Group 5: photosystem II inhibitor
Chemical family Triazine
Koc Average is 130 mL/g