Laserfiche WebLink
I:XI'ONNI -I`PIP-CI IL.ORONCRIN . 'o:i!acc.orst.cdu/cgi-bin/mfs Ol/pips/chloropi.htm <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 /> CHLOROPICRIN <br /> TRADE OR OTHER NAMES: Some trade names for products containing chloropicrin include <br /> "Chlor-O-Pic," "Metapicrin" "Timberfume" and "Tri-Clor." A partial list of trade names for chloropicrin <br /> mixtures with methyl bromide includes "Tri-Con," "Terr-O-Gas," "Preplant Soil Fumigant" and <br /> "Pic-Brom." Chloropicrin mixtures with 1,3-Dichloropropene include "Telone C-17," "Tri-Form" and <br /> "Pic-Clor." <br /> REGULATORY STATUS: Chloropicrin is currently undergoing USEPA FIFRA reregistration. It is a <br /> Class I toxicity, Restricted Use Pesticide (RUP), labeled with the signal word "Danger" (231). The U.S. <br /> Department of Transportation (DOT) proper shipping name is "Chloropicrin, 6.1, UN 1580, PGI, Poison <br /> Inhalation Hazard, Hazard Zone B." The Emergency Response Guide (ERG) number is 56. NFPA <br /> designations are 4-Health, 0-Fire, 3-Reactivity. Chloropicrin is not listed under the EPA Clean Air Act, <br /> EPA Clean Water Act or the EPA Marine Pollutant List(258). A tolerance is not required for preplant <br /> soil fumigation uses of chloropicrin. <br /> INTRODUCTION: Chloropicrin is a clear, colorless, oily liquid with a strong, sharp, highly irritating <br /> odor. It is a strong lachrymator(231). Chloropicrin has been used as an insecticide since 1917 and as a <br /> soil fumigant since 1920 (259). The primary use today is for preplant soil fumigation to control soil <br /> borne fungi, diseases and nematodes (231). It also is used to treat wood poles and timbers for internal <br /> decay by fungi and insects; as a warning/clearing agent for sulfuryl fluoride (structural fumigant) and <br /> methyl bromide (soil and structural fumigant); and is also used in organic synthesis. For soil fumigation <br /> and wood treatment, chloropicrin is packaged in DOT 4BW240 steel cylinders and bulk tanks which <br /> may be pressurized. When used as a warning agent for methyl bromide, chloropicrin is packaged along <br /> with the methyl bromide in steel cylinders. When used as a structural fumigation warning agent for <br /> sulfuryl fluoride, chloropicrin is packaged in small plastic bottles in DOT approved overpacks. <br /> Chloropicrin has a moderate vapor pressure (18.3 mmHg at 20 degrees C) and exists as a liquid at room <br /> temperature. Chloropicrin/methyl bromide mixtures will volatilize readily upon opening of the cylinder <br /> valve. Materials incompatible with chloropicrin are PVC, fiberglass, aluminum and magnesium and their <br /> alloys (231,260). <br /> TOXICOLOGICAL EFFECTS <br /> • Acute Toxicity: Undiluted chloropicrin is highly toxic by ingestion or direct contact with the skin <br /> I o1'4 5/12/00 2:04 PM <br />