phosgene
Carbonyl Car"bon*yl, n. [Carbon + -yl.] (Chem.) The radical {(CO)''}, occuring, always combined, in many compounds, as the aldehydes, the ketones, urea, carbonyl chloride, etc. [1913 Webster]

Note: Though denoted by a formula identical with that of carbon monoxide, it is chemically distinct, as carbon seems to be divalent in carbon monoxide, but tetravalent in carbonyl compounds. [1913 Webster]

{Carbonyl chloride} (Chem.), a colorless gas, {COCl2}, of offensive odor, and easily condensable to liquid. It is formed from chlorine and carbon monoxide, under the influence of light, and hence has been called {phosgene}, or {phosgene gas}; -- called also {carbon oxychloride}. It is used in chemical synthesis, and was also used as a poison gas in World War I. [1913 Webster +PJC]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Phosgene — Phosgène Dichlorure de méthanoyle Phosgène Général Nom IUPAC Dichlorure de méthanoyle …   Wikipédia en Français

  • Phosgéne — Phosgène Dichlorure de méthanoyle Phosgène Général Nom IUPAC Dichlorure de méthanoyle …   Wikipédia en Français

  • phosgène — [ fɔsʒɛn ] n. m. • 1823; du gr. phôs « lumière » et gène ♦ Chim. Gaz incolore, très toxique, obtenu par la combinaison du chlore et de l oxyde de carbone (COCl2). ● phosgène nom masculin (du grec phôs, lumière) Dénomination courante du chlorure… …   Encyclopédie Universelle

  • Phosgene — Phos gene, a. [Gr. fw^s light + the root of gi gnesqai to be born: cf. F. phosg[ e]ne.] (Old Chem.) Producing, or produced by, the action of light; used specifically to designate a gas also called {carbonyl chloride}. See {Carbonyl}. [1913… …   The Collaborative International Dictionary of English

  • phosgene — phos gene (f[o^]s j[=e]n or f[o^]z j[=e]n), n. (Chem.) A reactive chemical substance ({COCl2}), also called {carbonyl choride}, used in synthesis of numerous substances. In the First Worlds War it was also used as a poisonous gas in combat. [PJC] …   The Collaborative International Dictionary of English

  • phosgene — [fäs′jēn΄] n. [so named (1812) by Sir Humphry Davy < Gr phōs, light (see PHOSPHORUS) + gene, GEN] a colorless, volatile, highly poisonous liquid, COCl2, prepared by the reaction of carbon monoxide with chlorine in the presence of activated… …   English World dictionary

  • Phosgene — Not to be confused with phosphine, oxalyl chloride, or phosgene oxime. Phosgene[1] …   Wikipedia

  • Phosgène — Dichlorure de méthanoyle Phosgène Général Nom IUPAC Dichlorure de méthanoyle …   Wikipédia en Français

  • phosgene — /fos jeen, foz /, n. Chem. a poisonous, colorless, very volatile liquid or suffocating gas, COCl2, a chemical warfare compound: used chiefly in organic synthesis. Also called carbon oxychloride, carbonyl chloride, chloroformyl chloride. [1805 15; …   Universalium

  • phosgène — (fos jè n ) adj. m. Terme de chimie. Le gaz phosgène, le gaz oxychloride carbonique, ainsi dit parce qu il résulte de l action des rayons solaires sur un mélange à parties égales de gaz chlore et de gaz oxyde de carbone. ÉTYMOLOGIE    Du grec,… …   Dictionnaire de la Langue Française d'Émile Littré

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