The propionate (IUPAC name propanoate) ion is C₂H₅COO⁻ (propionic acid minus one hydrogen ion).

A propionate or propanoate compound is a salt or ester of propionic acid.

Propionates/propanoates should not be confused with propenoates, the ions/salts/esters of propenoic acid (also known as 2-propenoic acid or acrylic acid).

Examples

• Sodium propionate, Na(C₂H₅COO)
• Methyl propionate, CH₃(C₂H₅COO)

See Category:Propionates for a list.

Carboxylate anions