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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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diphoniadiphosphate