V2EX acetonitrile

Acetonitrile

释义 Definition

乙腈:一种无色、易挥发、带轻微气味的有机溶剂,化学式 CHCN。常用于化学合成、实验室溶剂,以及高效液相色谱(HPLC)等分析检测中。(也可作化学工业中的中间体;高浓度有毒且可燃。)

发音 Pronunciation (IPA)

/stonatral/

例句 Examples

Acetonitrile is often used as a solvent in laboratories.
乙腈常被用作实验室里的溶剂。

In HPLC analysis, acetonitrile is frequently mixed with water to adjust the mobile phase and improve separation.
在高效液相色谱分析中,乙腈常与水混合,用来调节流动相并提高分离效果。

词源 Etymology

acetonitrile 由 **acet-**(与 acetone“丙酮/醋酮”同源,来自拉丁语 acetum “醋”)与 nitrile(“腈类”,表示含有 C≡N 官能团的化合物)组成,字面含义可理解为“与丙酮相关的腈(乙腈)”。它在化学命名中对应“乙酸相关结构的腈类”,常见于有机化学与分析化学语境。

相关词 Related Words

文学与著作 Literary Works

  • 《Ullmann's Encyclopedia of Industrial Chemistry》(工业化学百科)在腈类与工业溶剂条目中讨论乙腈的制备、用途与安全性。
  • 《Vogel's Textbook of Practical Organic Chemistry》(沃格尔《实用有机化学》)在实验溶剂与实验操作相关章节中出现,用于说明溶剂选择与处理。
  • 《The Merck Index》(默克索引)在化学品条目中收录 acetonitrile 的性质、用途与危险信息。
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