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[Chemical Knowledge]：Properties and Uses of Acetic Acid

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The properties and uses
of acetic acid
acetic acid, also known as acetic acid, is an important organic chemical raw material, widely used in the field of chemical production. Acetic acid, whose chemical formula is CH3COOH, is a colorless liquid with a pungent odor. In the following we will discuss in detail the properties and uses of acetic acid.

1. The properties of acetic acid

1. Physical properties: Acetic acid is a colorless and transparent liquid with a strong pungent odor. It has a boiling point of 117.9°C, a melting point of 16.7°C and a density of 1.049g/cm³. Acetic acid can be miscible with water, ethanol, ether and other solvents.
2. Chemical properties: Acetic acid has a carboxyl functional group, which makes it very acidic. The acidic nature of acetic acid enables it to react with bases to form salts, with alcohols to form esters, and to undergo transesterification reactions, among others. In addition, acetic acid is also reductive and can be oxidized to carbon dioxide and water. The use of

2. acetic acid

1. Production of acetate fiber: Acetic acid can be used to produce acetate fiber, which is a man-made fiber with good air permeability and moisture absorption, and is widely used in the production of clothing, tobacco filters, etc.
2. Production of acetate: Acetic acid reacts with alcohol to produce acetate, which is an important solvent and fragrance, widely used in coatings, printing inks, fragrances and other fields.
3. Production of acetic anhydride: acetic acid can be dehydrated to produce acetic anhydride, which is an important chemical raw material for the production of drugs, dyes, plastics, etc.
4. Production of ammonium acetate: Acetic acid reacts with ammonia to produce ammonium acetate, which is a commonly used food additive with antiseptic effect.
5. Other uses: Acetic acid can also be used in the production of vinyl acetate, acetaldehyde, ethanol and other chemicals, as well as for metal surface cleaning, fabric printing and dyeing.

In conclusion, acetic acid, as an important organic chemical raw material, has a wide range of uses in the field of chemical production. Due to its unique physical and chemical properties, acetic acid plays an important role in various fields.

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