Acetic acid have formula CH3COOH is known as acid that use in household as additive agent in cooking recipe and more common says with vinegar. Acetic acid is a weak organic acid and the sour constituent of Vinegar. In industry, acetic acid is produced by the destructive distillation of wood and by the catalytic oxidation of formaldehyde. The pure acid is called glacial acetic acid and is a corrosive, colorless liquid with a pungent smell. It solidity at 16.63 oC. Acetic acid reacts with alcohol to form acetates that are widely used as solvents. Acetic acid also react with cellulose to form cellulose acetate, which is the starting material for rayon industry and other artificial fibers and for photographic film.
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