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)

Ketene Pictures

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Lexicographical Neighbors of Ketene

ketazolam
ketch
ketched
ketches
ketching
ketchup
ketchup bottle
ketchupless
ketchuplike
ketchuppy
ketchups
kete
keteleeria
ketembilla
ketembilla tree
ketene (current term)
ketenes
ketenide
ketenides
ketenimine
ketenimines
ketide
ketides
ketimine
ketimine reductase
ketimines
ketine
ketipic acid
ketjak
ketmia

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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