出典:Wiktionary
出典:『Wiktionary』 (2025/11/17 22:22 UTC 版)
An IUPAC systematic name for the chemical originally named propionic acid. The prop- prefix is derived from propionic.
propanoic acid (uncountable)
出典:Wikipedia
出典:『Wikipedia』 (2011/05/20 10:27 UTC 版)
Propanoic acid (from 'propane', and also known as propionic acid) is a naturally-occurring carboxylic acid with chemical formula CH3CH2COOH. It is a clear liquid with a pungent odor. The anion CH3CH2COO− as well as the salts and esters of propanoic acid are known as propanoates (or propionates).
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