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EXTOXNET PIP - PROPAI,,., 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 /> Propanil <br /> Trade and Other Names: Trade names include Arrosol, Bay 30130, Cekupropanil, Chem-Rice, <br /> DPA, DCPA, Dropaven, Erban, FW-734, Herbax, Prop-Job, Propanex, Propanilo, Riselect, S 10145, <br /> Stam, Stam 80 EDF, Stam M-4, Stampede, Strel, Supernox, Surcopur, Surpur, Vertac, Wham DF, and <br /> Wham EZ. <br /> Regulatory Status: Propanil is a General Use Pesticide (GUP). Propanil is in toxicity class II - <br /> moderately toxic, due to its potential to irritate eyes and skin. Products containing propanil bear the <br /> Signal Word WARNING. <br /> Chemical Class: acetanilide <br /> Introduction: Propanil is an acetanilide post-emergence herbicide with no residual effect. It is used <br /> against numerous grasses and broad-leaved weeds in rice, potatoes, and wheat. It is available as <br /> emulsifiable concentrates, liquid and dry flowable, low volume, and ultra low volume (ULV) <br /> formulations. Mixing with carbamates or organophosphorans compounds is not recommended. The <br /> information presented here, unless otherwise noted, pertains to technical propanil. <br /> Formulation: It is available as emulsifiable concentrates, liquid and dry flowable, low volume, and <br /> ultra low volume (ULV) formulations. <br /> Toxicological Effects: <br /> . Acute toxicity: Propanil is moderately toxic via ingestion. The reported rat oral LD50 values for <br /> technical propanil range from 1080 mg/kg to greater than 2500 mg/kg [8,58]; and for formulations <br /> range from 500 to greater than 5000 mg/kg [58]. The oral LD50 is 1217 mg/kg for technical <br /> propanil in dogs [87]. Technical propanil is practically nontoxic via the dermal route,with a <br /> reported LD50 of greater than 5000 mg/kg (58) in rabbits. The LD50 in rats suggests slight dermal <br /> http://extoxnet.orst.edu/pips/propanil.htm 9/21/2004 <br />