What is a propion?

A propion is a type of organic compound that typically refers to propionic acid or its derivatives. Propionic acid is a colorless liquid with a pungent odor, commonly used as a preservative in food and as an intermediate in chemical synthesis. It has the chemical formula C3H6O2 and can be found in various natural sources, including some fermented foods. Additionally, propionates are the salts or esters of propionic acid, often utilized in agricultural and industrial applications.