V2EX meta-xylene

Meta-xylene

Definition 定义

meta-xylene 指“间二甲苯”(也写作 m-xylene),是一种芳香烃,化学式 CH,结构上是苯环上两个甲基位于 1,3-位(间位) 的二甲苯异构体。常用于溶剂、化工原料与树脂/涂料相关工业中。(“xylene”还有邻/间/对三种异构体,这里指最常见的“间位”那一种。)

Pronunciation 发音(IPA)

/mtzalin/

Etymology 词源

meta- 来自希腊语词根,化学命名中表示取代基在苯环上的间位(1,3-)关系;xylene 源自 **xyl-**(与“木材/木质”相关的词源链)加上化学物质常见后缀构成的名称,历史上与从焦油/木材相关产物中分离出的芳香烃命名传统有关。合起来 meta-xylene 就是“间位的二甲苯”。

Examples 例句

Meta-xylene is one of the three xylene isomers.
间二甲苯是二甲苯的三种异构体之一。

In the lab, meta-xylene is often used as a nonpolar solvent for reactions involving aromatic compounds.
在实验室里,间二甲苯常用作非极性溶剂,用于涉及芳香族化合物的反应。

Related Words 相关词

Literary Works 文学/著作例证

  • Ullmann’s Encyclopedia of Industrial Chemistry(工业化学百科中常见于二甲苯与芳烃条目)
  • KirkOthmer Encyclopedia of Chemical Technology(化工技术百科对二甲苯异构体与用途有系统描述)
  • CRC Handbook of Chemistry and Physics(物性数据手册中常见于间二甲苯的物性与常数表)
  • March’s Advanced Organic Chemistry(有机反应与芳香化学讨论中可能作为溶剂/底物出现)
  • Organic Chemistry(如 Clayden 等教材中在芳香族化合物与溶剂语境下可能出现)
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