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EXTOXNET PIP - 2,4-D Page 1 of 4 <br /> EXTOXNET <br /> Extension Toxicology Network <br /> Pesticide Information Profiles <br /> A Pesticide Information Project of Cooperative Extension.Offices of Cornell University, Oregon State <br /> University, the University of Idaho, and the University of California at Davis and the Institute for <br />!; Environmental Toxicology,Michigan State University.Major_support and funding was provided by the <br /> USDA/Extension Service/National Agricultural Pesticide Impact Assessment Program. <br /> EXTOXNET primary files maintained and archived at Oregon State University <br /> Revised June 1996 <br /> 2,4-D <br /> mes:2 4-D is used in man commercial products. Commercial names for <br /> Other Na <br /> Trade and Ot Y <br /> products containing 2,4-D include Aqua-Kleen, Barrage, Lawn-Keep,Malerbane,Planotox, Plantgard, <br /> Savage, Salvo, Weedone, and Weedtrine-II. <br /> Regulatory Status: 2,4-D is a General Use Pesticide (GUP) in the U.S. The diethylamine salt is <br /> toxicity class III- slightly toxic orally,but toxicity class I-highly toxic by eye exposure. It bears the <br /> Signal Word DANGER-POISON because 2,4-D has produced serious eye and skin irritation among <br /> agricultural workers. <br /> Chemical Class: phenoxy compound <br /> Introduction: There are many forms or derivatives of 2,4-D including esters, amines, and salts. <br /> Unless otherwise specified, this document will refer to the acid form of 2,4-D. 2,4-D, a chlorinated <br /> phenoxy compound, functions as a systemic herbicide and is used to control many types of broadleaf <br /> weeds. It is used in cultivated agriculture,in pasture and rangeland applications, forest management, <br /> home, garden, and to control aquatic vegetation. It may be found in emulsion form, in aqueous solutions <br /> (salts), and as a dry compound. <br /> The product Agent Orange, used extensively throughout Vietnam,was about 50%2,4-D. However, the <br /> controversies associated with the use of Agent Orange were associated with a contaminant(dioxin) in <br /> the 2,4,5-T component of the defoliant. <br /> Formulation: It may be found in emulsion form, in aqueous solutions (salts), and as a dry <br /> compound. <br /> Toxicological Effects: <br /> http://extoxnet.orst.edu/pips/24-D.htm 5/8/2008 <br />