paraxylene

paraxylene
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, {C6H4.(CH3)2}, being dimethyl benzenes, and are called respectively {orthoxylene}, {metaxylene}, and {paraxylene}. Called also {xylol}. [1913 Webster]

Note: Each of these xylenes is the nucleus and prototype of a distinct series of compounds. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Paraxylene — Par a*xy lene, n. (Chem.) A hydrocarbon ({C6H4(CH3)2}) of the aromatic series obtained as a colorless liquid by the distillation of camphor with zinc chloride. It is one of the three metamers of xylene. Cf. {Metamer}, and {Xylene}. [1913 Webster] …   The Collaborative International Dictionary of English

  • paraxylene — see para 1 2 b …   Useful english dictionary

  • paraxylene — noun An aromatic hydrocarbon consisting of a benzene with two methyl substituents …   Wiktionary

  • C6H4CH32 — Paraxylene Par a*xy lene, n. (Chem.) A hydrocarbon ({C6H4(CH3)2}) of the aromatic series obtained as a colorless liquid by the distillation of camphor with zinc chloride. It is one of the three metamers of xylene. Cf. {Metamer}, and {Xylene}.… …   The Collaborative International Dictionary of English

  • CH32C6H3NH2 — Xylidine Xy li*dine, n. (Chem.) Any one of six metameric hydrocarbons, {(CH3)2.C6H3.NH2}, resembling aniline, and related to xylene. They are liquids, or easily fusible crystalline substances, of which three are derived from metaxylene, two from… …   The Collaborative International Dictionary of English

  • Xylidine — Xy li*dine, n. (Chem.) Any one of six metameric hydrocarbons, {(CH3)2.C6H3.NH2}, resembling aniline, and related to xylene. They are liquids, or easily fusible crystalline substances, of which three are derived from metaxylene, two from… …   The Collaborative International Dictionary of English

  • 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

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