Dichlobenil

Trade name(s) Casoron, Barrier

Manufacturer(s) Chemtura, PBI/Gordon

Formulation(s) 50% wettable powder, 4% granules, 15.3% liquid

Remarks A nitrile compound used as a preemergent and early postemergent herbicide in noncrop areas and around established trees and shrubs. Dichlobenil is most effective when applied before weeds emerge, during cool weather, and immediately incorporated through irrigation or rain. It has little, if any, effect on foliage.

Water solubility 25 ppm

Storage conditions Store under cool, dry conditions to avoid volatility.

Acute toxicity LD50 - 5,000 mg/kg

Action in plant Inhibits meristematic tissue in growing points of roots and shoots.

Site of action Group 20: inhibits cell wall synthesis Site A

Chemical family Nitrile

Koc Average is 400 mL/g (estimated)