V2EX isobutane

Isobutane

定义 Definition

Isobutane 是一种有机化合物,化学式为 CH,是丁烷(butane)的支链异构体。它是一种无色、可燃的气体,常用作制冷剂、气溶胶推进剂和石油化工原料。

发音 Pronunciation

/a.sobju.ten/

例句 Examples

Isobutane is commonly used as a refrigerant in household appliances because it has a low environmental impact.
异丁烷常被用作家用电器中的制冷剂,因为它对环境的影响较小。

The petrochemical plant processes isobutane through alkylation to produce high-octane gasoline components, which are essential for modern fuel blending.
该石化工厂通过烷基化反应处理异丁烷,生产高辛烷值汽油组分,这对现代燃料调配至关重要。

词源 Etymology

Isobutane 由前缀 iso-butane 组合而成。iso- 源自希腊语 ísos,意为"相等的、相同的",在化学中用于表示具有支链结构的异构体。butane(丁烷)则源自拉丁语 butyrum(黄油),因为丁酸(butyric acid)最初是从黄油中分离出来的,而丁烷与丁酸属于同一碳链系列。该词于19世纪中期随着机化学的发展而出现。

相关词汇 Related Words

文学与文献引用 Literary & Notable References

由于 isobutane 是一个专业化学术语,它较少出现在文学作品中,但在科学文献中非常常见:

  • Linus Pauling 的经典著作 General Chemistry 中,异丁烷被用作讲解结构异构体(structural isomers)的典型例子。
  • 在环境科学领域,异丁烷作为氟利昂(CFCs)的替代制冷剂,频繁出现在关于《蒙特利尔议定书》(Montreal Protocol)的讨论文献中。
  • John McMurryOrganic Chemistry 教科书中将异丁烷作为烷烃命名法和异构现象的入门示例。
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