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diphosgene

[ dahy-fos-jeen ]

noun

, Chemistry.
  1. a colorless liquid, C 2 Cl 4 O 2 , usually derived from methyl formate or methyl chloroformate by chlorination: a World War I poison gas now used chiefly in organic synthesis.


diphosgene

/ daɪˈfɒzdʒiːn /

noun

  1. an oily liquid with an extremely poisonous vapour, made by treating methanol with phosgene and chlorinating the product: has been used in chemical warfare. Formula: ClCOOCCl 3
“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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Word History and Origins

Origin of diphosgene1

First recorded in 1920–25; di- 1 + phosgene
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Example Sentences

This gas was first used by the Germans late in 1915 and then adopted by the Allies, while the Germans switched to diphosgene which is less stable than its chemical brother but easier to fill into shells.

Chemistry's most spectacular contribution to World War I, apparently not yet used in World War II�chlorine, phosgene, diphosgene, chlorpicrin, diphenylchlorarsine, mustard�were all discovered in peace time by non-military scientists.

Of the lethal gases they learn that chlorine, phosgene and diphosgene attack a man's lungs, are soon blown away.

The poison gases: mustard, lewisite, ethyldichlorarsine, chlorpicrin, diphosgene, phosgene and chlorine.

The familiar Green Cross represented the slightly persistent, volatile, lethal compounds, such as phosgene and diphosgene.

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diphoniadiphosphate