| 释义 |
xylene Chem.|ˈzaɪliːn|
[f. Gr. ξύλον wood + -ene.]
A mixture of three isomeric hydrocarbons having the formula C8H10 = C6H4(CH3)2, obtained as a volatile colourless liquid from wood-spirit or coal-naphtha; any one of these three hydrocarbons: systematically named dimethylbenzene. Also attrib. (Also called xylol, q.v.)
1851Jrnl. Chem. Soc. III. 184 Xylol or Xylene. 1859Watts tr. Gmelin's Hand-bk. Chem. XIII. 116 Xylene series... Primary Nucleus C16H10. Xylol C16H10. 1885I. Remsen Org. Chem. (1888) 241 Coal-tar xylene consists of three isomeric hydrocarbons..known as ortho-xylene, meta-xylene, and para-xylene.
Hence xyˈlenic a., xylenol |ˈzaɪlɪnɒl|, ˈxylenyl, xyleˈnylamine: see quots.
1868Watts Dict. Chem. V. 1059 Xylenyl. Syn. with Xylyl. Ibid., Xylenylamine. Syn. with Xylidine. 1872Jrnl. Chem. Soc. New Ser. X. 482 Liquid Xylenol is a colourless, highly refracting fluid, smelling strongly of phenol. 1873Watts Fownes' Chem. (ed. 11) 798 Xylenol is produced by fusing the potassium salt of xylyl sulphurous acid with potassium hydrate. 1879― Dict. Chem. VI. 1128 Xylenol. C8H10O = C6H3(CH3)2OH. Dimethyl-phenol, Xenol, Xylylic phenol. Ibid. 1129 Solid xylenol dissolves abundantly in alcohol and ether... Liquid xylenol is colourless and strongly refractive. 1894Muir & Morley Watts' Dict. Chem. IV. 871/2 Xylenic alcohol is tolyl-carbinol. |