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Related to alkyl: alkyl halide, aryl


A univalent group, such as ethyl or propyl, having the general formula CnH2n+1.

[German Alkohol, alcohol (from Medieval Latin alcohol, antimony; see alcohol) + -yl.]


1. (Elements & Compounds) (modifier) of, consisting of, or containing the monovalent group CnH2n+1: alkyl group or radical.
2. (Elements & Compounds) an organometallic compound, such as tetraethyl lead, containing an alkyl group bound to a metal atom
[C19: from German, from Alk(ohol) alcohol + -yl]


(ˈæl kəl)
any of a series of univalent groups having the general formula CnH2n + 1, as methyl or ethyl.
[1880–85; < German, =Alk(ohol) alcohol + -yl -yl]
al•kyl′ic (-ˈkɪl ɪk) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.alkyl - any of a series of univalent groups of the general formula CnH2n+1 derived from aliphatic hydrocarbons
chemical group, radical, group - (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
ethyl, ethyl group, ethyl radical - the univalent hydrocarbon radical C2H5 derived from ethane by the removal of one hydrogen atom
methyl, methyl group, methyl radical - the univalent radical CH3- derived from methane
References in periodicals archive ?
US Patent 8,871,700 B2: Procter & Gamble has patented a liquid cleaning and disinfecting composition that is comprised of C12-14 linear alkyl dimethyl amine oxide; a Zn2+ salt selected from the group consisting of Zn carbonate, Zn sulphate, Zn citrate and mixtures thereof; an anionic surfactant selected from the group consisting of alkyl sulfate, alkyl ethoxy sulfate and mixtures thereof; an organic solvent selected from the group consisting of ethanol, benzyl alcohol, and mixtures thereof; and at least one biocide selected from the group consisting of a halogenated benzyl alcohol derivative, a halogenated hydroxy-diphenylether, a quaternary ammonium salt, an alkylbenzethonium chloride, a peroxide bleach system, and mixtures thereof.
The compounds are formed by mixing an elastomer containing unsaturated carbon-carbon bonds in its molecular structure, with a reinforcing inorganic filler silica in the presence of an alkyl alkoxysilane and a non-sulfur coupling agent that binds to the rubber back bone with an "ene" linkage or a 1,3 dipolar addition linkage.
Although shear degradation has been correlated to ultrasonic degradation for the degradation of polystyrene (38), few other studies have shown that the degradation of alkyl acrylate and alkyl methacrylate follow the same order for both ultrasonic and thermal degradation (33), (37).
International Resource News-June 3, 2011--Albemarle Corporation to increase global price of metal alkyl products(C)1994-2011 ENPublishing - http://www.
The solid plasticizer comprises at least two different benzotriazole derivatives selected from compounds represented by following formula: R1 is one of a hydrogen atom, a halogen atom and an alkyl group; m is an integer of one to four; and X is one of a hydrogen atom, an alkyl group, an aryl group, an aralkyl group and a group represented by following formula: R2 is one of a hydrogen atom, a halogen atom, an alkyl group and hydroxyl group and n is an integer of one to five.
extract the contaminants from resin flakes with an alkyl ester solvent followed by soaking in liquid supercritical carbon dioxide.
The business is now the world's largest producer of ethanolamines, isopropanolamines and alkyl alkanolamines with a global capacity of 110 million pounds per year.
At present, the main active substance in the production of detergent is linear alkyl benzene sulfonate or LAS which has a biodegradibility degree of 80%.
Chemtura Corporation (NYSE:CEM) will increase the price for Aluminum Alkyls, Metal Alkyl solutions and Magnesium Alkyls by up to 40%, in response to rising raw materials costs and the need to invest in global supply security.
In separate vessel, sprinkle the Acrylates/C10-30 alkyl acrylate into the water of phase B with mixing.
Organic peroxides provided cover classes such as dialkyl peroxides, diaryl peroxides, aryl alkyl peroxides, diacyl peroxides, peroxy(di)carbonates, peroxyketals, peroxyesters, ketone peroxides and hydroperoxides.
Moreover, says Dow Corning, the alkyl functionality of Z-6173 acts as a hydrophobe to reduce water absorption.