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diphosgene

[ dahy-fos-jeen ]
/ daɪˈfɒs dʒin /

noun Chemistry.

a colorless liquid, C2Cl4O2, usually derived from methyl formate or methyl chloroformate by chlorination: a World War I poison gas now used chiefly in organic synthesis.

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Also called trichloromethyl chloroformate.

Origin of diphosgene

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

Words nearby diphosgene

diphenylaminechlorarsine, diphenylhydantoin, diphenylhydantoin sodium, diphenyl ketone, diphonia, diphosgene, diphosphate, diphosphoglycerate, diphtheria, diphtheria antitoxin, diphtheria, tetanus toxoids, and pertussis vaccine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for diphosgene

diphosgene
/ (daɪˈfɒzdʒiːn) /

noun

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

Medical definitions for diphosgene

diphosgene
[ dī-fŏz′jēn′ ]

n.

A colorless liquid that is used in organic synthesis and whose vapor was used as a poison gas in World War I.trichlormethyl chloroformate
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.