Propionic acid

Propionic acid (from the Greek words protos, meaning "first", and pion, meaning "fat"; also known as propanoic acid) is a naturally occurring carboxylic acid with chemical formula CH₃CH₂COOH. It is a clear liquid with a pungent and unpleasant smell somewhat resembling body odor. The anion CH₃CH₂COO as well as the salts and esters of propionic acid are known as propionates (or propanoates).

单词	Methyl acetic acid
释义	Methyl acetic acid 英语百科 Propionic acid Propionic acid (from the Greek words protos, meaning "first", and pion, meaning "fat"; also known as propanoic acid) is a naturally occurring carboxylic acid with chemical formula CH₃CH₂COOH. It is a clear liquid with a pungent and unpleasant smell somewhat resembling body odor. The anion CH₃CH₂COO as well as the salts and esters of propionic acid are known as propionates (or propanoates).
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Methyl acetic acid

Propionic acid