Chemical Dictionary lists the structural formula for acetic acid as CH3COOH. Its chemical formula is C2H4O2. It is composed of two carbon, four hydrogen and two oxygen atoms.
Other names for acetic acid include methanecarboxylic acid, ethanoic acid and ethylic acid. It is a clear and colorless liquid that smells like vinegar. Acetic acid is classified as a primary irritant, reproductive effector and mutagen. It is commonly used in pH adjustment, fungicide, herbicide and microbiocide.
Acetic acid has a formula mass of 60.05, a melting point at 16.6 degrees Celsius and a boiling point at 118 degrees Celsius. It has a density of 1.05 grams per cubic centimeter.