Phenol ketone products

Plastic rubber

Current Location： Home > News > Chemical Knowledge > Acetic acid and acetic anhydride: the difference between two organic compounds

[Chemical Knowledge]：Acetic acid and acetic anhydride: the difference between two organic compounds

Read： 676 Time：17months ago Source：Transform the World with Simplicity

Acetic acid and acetic anhydride are common organic compounds in our daily life, especially widely used in food, medicine and industrial production. Although their names are similar, they have some important differences in structure and properties.

In terms of structure, the formulas for acetic acid and acetic anhydride are CH3COOH and CH3COOCH3, respectively. Acetic acid is the acidic form of acetic acid and is a carboxylic acid. It is obtained by the oxidation reaction of acetaldehyde, has a carboxyl group (-COOH), and has a strong acidity. Acetic anhydride is the esterification product of acetic acid, which is obtained by the esterification of acetic acid and ethanol. Acetic anhydride is a colorless liquid with a low boiling point and volatility. It is the esterification product of acetic acid, which is not acidic, but is easily hydrolyzed to acetic acid and ethanol.

acetic acid and acetic anhydride are also different in nature. Acetic acid is a volatile liquid with a strong sour taste. It can react with alkali to form the corresponding acetate and is readily soluble in water. Acetic acid is a kind of organic substance with good solubility, which is widely used in food additives, drugs and cosmetics. Acetic anhydride, on the other hand, has low volatility and solubility and is mainly used as an organic solvent and industrial raw material. Its chemical properties are relatively stable and it is not easy to react with other substances.

acetic acid and acetic anhydride have their own applications in daily life and industry. Acetic acid is the main component of our common vinegar, it can be used for food seasoning, food storage and pickled food. In addition, acetic acid is also commonly used in pharmaceutical production, as a solvent or intermediate material. Acetic anhydride is mainly used in organic synthesis reactions, such as the synthesis of esters, flavors and dyes. In addition, acetic anhydride is also widely used in plastics, rubber, coatings and dyes and other industrial fields.

summarize, acetic acid and acetic anhydride are two common organic compounds, which have obvious differences in structure and properties. Acetic acid is a kind of carboxylic acid with strong acidity, while acetic anhydride is an esterification product of acetic acid without acidity. Acetic acid is mainly used in food and pharmaceutical fields, while acetic anhydride is mainly used in organic synthesis and industrial production. For our daily life and industrial production, understanding their differences and applications will help us to better use and manage these two organic compounds.

Previous： Acetic acid and acetic acid: subtle differences and meanings

Next： Exploring the difference between acetic acid and formic acid

News Categories