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Image:Propionic acid structure.png 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).

[edit] Examples

• Sodium propionate, Na(C₂H₅CO₂)
• Methyl propionate, CH₃(C₂H₅CO₂)
• Calcium propionate, Ca(C₂H₅CO₂)₂
• Potassium propionate, K(C₂H₅CO₂)