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[Chemical Knowledge]：How to distinguish between acetic acid and phenol?

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Acetic acid and phenol are both common organic compounds and have important uses in laboratory and industrial production. Although their molecular structures are similar, they have different properties and uses. The distinction between acetic acid and phenol is described in detail below.

1. physical properties

acetic acid is a liquid with a pungent odor, with a density of 1.05g/cm³, a boiling point of 118 ℃, and a colorless liquid at room temperature. Phenol is a white solid with a melting point of 40-42°C and a boiling point of 181.7°C, and is crystalline at room temperature. Therefore, there is a clear difference between acetic acid and phenol in terms of appearance and physical properties.

2. chemical properties

acetic acid is very soluble in water and can react with alkali to form acetate. The solubility of phenol in water is low, and it is not easy to react with alkali. In addition, acetic acid is highly corrosive and can react with metals to produce flammable gases. Phenol, on the other hand, is more stable and does not easily react with metals. Therefore, acetic acid and phenol can also be distinguished from chemical properties.

To sum up, acetic acid and phenol have obvious differences in physical and chemical properties. During use and storage, it is necessary to correctly identify and handle it according to its nature to avoid accidents.

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