Topic summary
Propionate
Extracted from the Wikipedia article Propionic acid.
Propionate salts and esters
The propionate, or propanoate, ion is C
2H
5COO
, the conjugate base of propionic acid. It is the form found in biological systems at physiological pH. A propionic, or propanoic, compound is a carboxylate salt or ester of propionic acid. In these compounds, propionate is often written in shorthand, as CH
3CH
2CO
2 or simply EtCO
2.