Homonym: C2H4O2 (Acid)
C2H4O2, commonly known as acetic acid, is a colorless liquid organic compound with a pungent smell. It is the main component of vinegar, which typically contains about 4-8% acetic acid. Acetic acid is widely used in food preservation, cooking, and as a flavoring agent.
In addition to its culinary uses, acetic acid plays a significant role in various industrial applications. It is used in the production of plastics, synthetic fibers, and solvents. Acetic acid is also important in the manufacture of chemical compounds such as acetate and is involved in several biochemical processes.