cyclohexanen.
/ˌsʌɪkləʊˈhɛkseɪn/, U.S. /ˌsaɪkloʊˈhɛkˌseɪn/ Chemistry.
A flammable liquid cyclic hydrocarbon obtained from petroleum or by hydrogenating benzene, and used as a solvent and in organic synthesis; (also) any substituted derivative of this compound. Cf. hexamethylene n. at hexa- comb. form .The cyclohexane molecule is a nonplanar six-membered ring. Formula: C6H12.
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1892 Chem. News 10 June 277/2 The saturated hydrocarbons with closed chains are to take the names of the corresponding saturated hydrocarbons of the fatty series, preceded by the prefix cyclo (cyclohexane for hexamethylene).
1925 A. W. Judge Automobile Engines i. 10 A mixture of 20 parts benzole and 80 parts cyclohexane will enable an engine to be run at 200 lb. per sq. in. compression pressure.
1940 Industr. & Engin. Chem. Apr. 529/1 The well-known dehydrogenation of cyclohexanes to the corresponding aromatics (Zelinsky) is often referred to as aromatization.
1974 Times 25 July 4/1 Investigations into the Flixborough disaster have revealed serious inadequacies in the storage of cyclohexane at the plant.
2000 M. Clugston & R. Flemming Adv. Chem. xxiii. 422 Cyclohexane..is saturated and reacts by substitution only, in the same manner as aliphatic (straight-chain and branched-chain) alkanes.
This is a new entry (OED Third Edition, September 2012; most recently modified version published online March 2022).
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