What is a Acetic acid (CH₃COOH)?

Acetic acid (CH₃COOH) is an organic acid known for its sharp, pungent smell and clear, colorless appearance. It is best known as the main component of vinegar, where it serves as a flavoring agent and preservative. Pure acetic acid, known as "glacial acetic acid," freezes at 16.6°C and forms ice-like crystals. It is widely used in industry for producing chemicals such as vinyl acetate and ethyl acetate. It's also used in making textiles, plastics, dyes, and pharmaceuticals. In laboratories, it functions as a buffering agent in various biochemical reactions.

Acetic acid is corrosive and can cause irritation to the skin, eyes, and respiratory system at high concentrations. Proper personal protective equipment and ventilation are required during handling. It is also flammable, so it should be kept away from open flames.

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