octyln.
/ˈɒktʌɪl/, /ˈɒktɪl/, U.S. /ˈɑktl/ Chemistry.
Any of the series of alkyl radicals —C8H17, derived from the octanes. Usually attributive or a formative element in chemical names.
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the world > matter > chemistry > organic chemistry > hydrocarbons > [noun] > hydrocarbon radicals > named, by number of carbon atoms > eight
octyl1857
1857 W. A. Miller Elements Chem. III. iii. 191 The action of potassium or of mercury on chloride or iodide of octyl gives rise to the same compound [sc. octylene].
1866 H. E. Roscoe Lessons Elem. Chem. xxx. 276 Octyl alcohol is obtained by distilling castor oil with potash.
1933 Jrnl. Amer. Chem. Soc. 55 1696 A solution containing 0.242 mole of n-octylmagnesium bromide in 200cc. of ether was oxidised... Twenty-seven grams..of octyl alcohol..was recovered.
1960 Philos. Trans. (Royal Soc.) A. 253 264 Isotherms for sodium octyl sulphate and the quaternary ammonium compound are plotted in figure 5.
1992 Chem. in Brit. (BNC) Jan. 10 The other ingredient in the system is octanoic acid octyl ester, which acts as ‘substrate’ for the creation of new structural components.
Compounds
octyl glucoside n. a non-ionic detergent used chiefly in biochemistry to solubilize proteins; n-octyl-D-glucopyranoside (C14H28O6).
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1938 Jrnl. Amer. Chem. Soc. 60 2077 Aqueous solutions of the glucosides from octyl through dodecyl foam on shaking.]
1942 Jrnl. Amer. Chem. Soc. 64 370/1 The enzyme efficiency increases with the molecular weight of the aglucon.., the nonyl glucoside exhibiting a definite decrease from the octyl glucoside.
1988 L. Stryer Biochem. (ed. 3) xii. 300 Gentle detergents are used, such as sodium cholate and octyl glucoside.
1999 Nature 18 Mar. 251/2 The samples were washed eight times with 10 μl PBS [= phosphate-buffered saline] containing 0.15% BSA [= bovine serum albumin], 0.1% octyl glucoside and 1% non-fat dry milk.
This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022).
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