xylene

xylene
SYN: xylol.
- x. cyanol FF [C.I. 43535] an acidic triphenylmethane dye used for histochemical staining of hemoglobin peroxidase and as a tracking dye for DNA sequencing in electrophoresis.

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xy·lene 'zī-.lēn n any of three toxic flammable oily isomeric aromatic hydrocarbons C8H10 that are dimethyl homologues of benzene and are usu. obtained from petroleum or natural gas distillates also a commercial mixture of xylenes used chiefly as a solvent

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n.
a liquid used for increasing the transparency of tissues prepared for microscopic examination after dehydration. See clearing.

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xy·lene (ziґlēn) [Gr. xylon wood] 1. any of three isomeric hydrocarbons, C6H4(CH3)2, from methyl alcohol or coal tar; usually qualified by the substituent positions. Called also dimethylbenzene. 2. a mixture of all three isomers, with uses including solvent and clarifier for microscopy, protective coating, and in various syntheses.

Medical dictionary. 2011.

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  • Xylene — Xylène ortho xylène C6H4(CH3)2 …   Wikipédia en Français

  • xylène — [ gzilɛn; ksilɛn ] n. m. • 1872; de xyl(o) et ène ♦ Chim. Hydrocarbure liquide benzénique, de formule C6H4 (CH3)2, extrait du benzol ou de certaines fractions de pétrole, utilisé comme solvant et comme matière première pour des synthèses… …   Encyclopédie Universelle

  • Xylene — Xy lene, n. [Gr. xy lon wood.] (Chem.) Any of a group of three metameric hydrocarbons of the aromatic series, found in coal and wood tar, and so named because found in crude wood spirit. They are colorless, oily, inflammable liquids,… …   The Collaborative International Dictionary of English

  • xylene — 1851, from Gk. xylon wood, which is of unknown origin, + ENE (Cf. ene) …   Etymology dictionary

  • xylene — [zī′lēn΄] n. [ XYL(O) + ENE] any of three isomeric, colorless hydrocarbons, C8H10, having the characteristics of benzene and derived from coal tar, wood tar, and petroleum: used as solvents, antiseptics, etc …   English World dictionary

  • Xylène — Le xylène ou diméthylbenzène est un groupe d hydrocarbures aromatiques dérivés méthylés du benzène. Il est représenté par trois isomères structuraux : 1,2 diméthylbenzène, 1,3 diméthylbenzène et 1,4 diméthylbenzène (appelés respectivement… …   Wikipédia en Français

  • Xylene — The xylene isomers Xylene encompasses three isomers of dimethylbenzene. The isomers are distinguished by the designations ortho (o ), meta (m ), and para (p ), which specify to which carbon atoms (of the benzene ring) the two methyl groups are… …   Wikipedia

  • xylene — /zuy leen/, n. Chem. any of three oily, colorless, water insoluble, flammable, toxic, isomeric liquids, C8H10, of the benzene series, obtained mostly from coal tar: used chiefly in the manufacture of dyes. Also, xylol /zuy lawl, lol/. Also called …   Universalium

  • xylene — noun /ˈzaɪliːn/ Any of a group of three isomeric aromatic hydrocarbons, di methyl benzene, found in coal and wood tar. [...] proceeding, desperately, from such opiated catarrh preparations as Collis Browns Mixture on to cocainized brain tonics,… …   Wiktionary

  • xylene —    Toluene is a gas or liquid used as a solvent and as a thinner for certain inks (e.g., some permanent markers), paints, and varnishes. It is typically a synthetic chemical with a sweet smelling odor, produced from petroleum, and found in… …   Glossary of Art Terms

  • xylene — ksilenas statusas T sritis chemija formulė (CH₃)₂C₆H₄ atitikmenys: angl. xylene rus. ксилол ryšiai: sinonimas – dimetilbenzenas …   Chemijos terminų aiškinamasis žodynas

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