Acetic Acid

Acetic acid (CH3COOH) also known as ethanoic acid is an organic acid that provides vinegar its sour taste as well as pungent smell. It is a weak acid in an aqueous solution. Pure, water-free acetic acid (glacial acetic acid) is a colorless liquid that absorbs water from environment (hygroscopy) and freezes at 16.5 °C (62 °F) to colorless crystalline solid. As one of simplest carboxylic acids, Acetic acid is an important chemical reagent & industrial chemical.