V2EX pentanoic

Pentanoic

定义 Definition

(化学)戊酸的;与“含五个碳原子的羧酸(戊酸,pentanoic acid)”相关的。
常见于化学命名中,尤其指 pentanoic acid(戊酸,又称 valeric acid 的系统命名之一,严格说 valeric acid 多指直链戊酸)。在实际使用里,pentanoic 往往作为形容词修饰 acid, ester 等名词。

发音 Pronunciation (IPA)

/pn.tno.k/

例句 Examples

Pentanoic acid has a strong smell.
戊酸(pentanoic acid)气味很浓。

The lab report compared the boiling points of pentanoic acid and hexanoic acid under the same conditions.
实验报告在相同条件下比较了戊酸(pentanoic acid)与己酸(hexanoic acid)的沸点。

词源 Etymology

来自化学构词:penta- 表示“五”(源自希腊语 pente),**-oic** 是有机酸命名中常见的后缀(用于表示“……酸的/与……酸有关的”,如 butanoic, hexanoic)。因此 pentanoic 字面意思就是“与五碳羧酸有关的”。

相关词 Related Words

文献与作品 Literary Works

  • *Nomenclature of Organic Chemistry: IUPAC Recommendations and Preferred Names (Blue Book)*(IUPAC 有机化学命名“蓝皮书”,系统命名中会涉及 pentanoic 这类词)
  • The Merck Index(药物与化学品权威索引,条目中常出现 pentanoic acid 等名称)
  • CRC Handbook of Chemistry and Physics(化学与物理常数手册,涉及相关物性数据时会出现该词)
  • PubChem 数据库条目(如 Pentanoic acid 的化合物摘要与命名信息中常见 pentanoic
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