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单词 azotoluidine
释义

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ˌazotoˈluidine
a. A crystalline base, C7H7(NH2), produced by the action of sulphuric acid on nitrotoluene, solidifying in snow-white crystals, which gradually turn brown on contact with the air: the source of numerous compounds, e.g. ˌazotoˈluidine, ˌphenyltoˈluidine, etc. Also called aˌmidoˈtoluene, and formerly toluylia.
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the world > matter > chemistry > organic chemistry > organic bases > [noun]
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1850 C. G. B. Daubeny Introd. Atomic Theory (ed. 2) viii. 243 Methylaniline being identical with toluidine, an alkali obtained from the balsam of Tolu.
1857 W. A. Miller Elements Chem. III. 467 Benzo-hydrochloric ether when heated in a sealed tube with ammonia furnishes the volatile base toluidine.
1866 H. E. Roscoe Lessons Elem. Chem. xxxix. 338 A basic substance is obtained analogous to aniline, and called amido-toluol, or Toluidine.
extracted from toluidinen.
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更新时间:2024/11/11 3:51:51