Pendimethalin

Trade name(s) Pendulum Aquacap, Pentagon, Prowl, Stomp, Repose, Hurdle, Prowl H2O, Stealth, Pendant

Manufacturer(s) BASF, Olympic Horticultural, Corteva

Formulation(s) 3.3, 3.8, and 4 lb/gal emulsifiable concentrate; 60% water-dispersible granules, 2% granular

Remarks Depending on the crop, this is a selective, preplant, preemergence, and early postemergence herbicide that is used to control annual broadleaf and grass weeds.

Water solubility 0.5 ppm

Storage conditions Store above 40°F. If frozen, redissolve at warm temperatures. Avoid flame and temperatures above 92°F.

Acute toxicity LD50 - 3,380 mg/kg

Action in plant Inhibits mitosis in roots and shoots.

Site of action Group 3: microtubule assembly inhibitor

Chemical family Dinitroaniline

Koc Average is 17,200 mL/g