Ethanoic acid, commonly recognized as acetic acid, is a organic compound with the molecular formula CH3COOH.

It is a weak acid with a distinctive pungent odour and is widely known for its presence in vinegar. Acetic acid is formed through the oxidation of ethanol in the presence of oxygen, a process that occurs during the fermentation of certain substances.

This versatile acid plays a crucial role in various applications, including food preservation, pickling, and as a condiment. Its chemical properties make it an essential component in the culinary world and industrial processes.