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Definition of Ketene
1. Noun. (organic chemistry) any of a class of unsaturated ketones, having a general formula R1R2C=C=O, that react as if they were inner acid anhydrides ¹
2. Noun. (organic compound) the parent compound of this class, CH2=C=O, an unstable, reactive colourless gas ¹
¹ Source: wiktionary.com
Definition of Ketene
1. a toxic gas [n -S]
Medical Definition of Ketene
1. CH2==C==O;a very reactive acetylating agent, used in chemical syntheses. (05 Mar 2000)
Lexicographical Neighbors of Ketene
Literary usage of Ketene
Below you will find example usage of this term as found in modern and/or classical literature:
1. Journal of the American Chemical Society by American Chemical Society (1879)
"During warm-up, the product with absorption bands at 1670 and 1630 cm-1 goes
rapidly to thymol at about —90° and the ketene goes to ..."
2. The Chemical News and Journal of Industrial Science (1908)
"These are colourless ; pyridine and quinoline do not form ketene bases ...
To this class belong ketene, methyl ketene, ethyl ketene, and carbon suboxide. ..."
3. Organic Chemistry for Advanced Students by Julius Berend Cohen (1918)
"Both ketene and carbon suboxide are colourless and poisonous gases, with an
unpleasant and ... ketene can be liquefied at — 56°, carbon suboxide at 7°. ..."
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