Tags: Chemical Compound, Chemical Substance.
Dimethyl tetrachloroterephthalate (DCPA) is a chemical used in several selective preemergent herbicides. It is manufactured by American Vanguard under the name Dacthal.Dimethyl tetrachloroterephthalate is a selective preemergent herbicide meaning it should be applied before the weeds germinate. Because it is selective it will kill grass and many common weeds without killing sensitive plants such as flowers fruits and vegetables.
