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chloropicrin

[klawr-uh-pik-rin, -pahy-krin, klohr-] /ˌklɔr əˈpɪk rɪn, -ˈpaɪ krɪn, ˌkloʊr-/
noun, Chemistry, Military
1.
a colorless, somewhat oily, water-insoluble, poisonous liquid, CCl 3 NO 2 , that causes lachrymation and headache: used as an insecticide, a fungicide, in organic synthesis, and as a war gas.
Also, chlorpicrin.
Also called nitrochloroform.
Origin
1885-1890
1885-90; chloro-2 + picr(ic acid) + -in2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for chloropicrin
  • Current chloropicrin labels are not restrictive to use.
  • chloropicrin is used for fumigation, to sterilize soil and seed.
British Dictionary definitions for chloropicrin

chloropicrin

/ˌklɔːrəʊˈpɪkrɪn/
noun
1.
a colourless insoluble toxic lachrymatory liquid used as a pesticide and a tear gas; nitrotrichloromethane. Formula: CCl3NO2
Word Origin
C20: from chloro- + picro- + -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Encyclopedia Article for chloropicrin

toxic organic compound used alone or in combination with methyl bromide as a soil fumigant and fungicide. Chloropicrin has a boiling point of 112 C (234 F). Its vapours are irritating to the skin, eyes, and upper respiratory tract, and it has been used in chemical warfare and as a tear gas. Chloropicrin is typically prepared by chlorination of either picric acid or nitromethane.

Learn more about chloropicrin with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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