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[Chemical Knowledge]：Properties and Uses of Sodium Benzoate

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Sodium benzoate is an important raw material for chemical production and has a wide range of applications. This article will detail the nature and use of sodium benzoate.

1. the nature of sodium benzoate

sodium benzoate is a white crystalline powder, odorless or microstrip benzoin odor, taste sweet, astringent. It is soluble in water, soluble in ethanol, insoluble in ether, chloroform, benzene and carbon disulfide and other organic solvents. Sodium benzoate has a lipophilic, easy to penetrate the cell membrane into the cell body, interfere with the permeability of the cell membrane, inhibit the absorption of amino acids in the cell membrane. When it enters the cell body, it will ionize the alkali storage in the cell, inhibit the activity of the respiratory enzyme system of the cell, and prevent the condensation reaction of acetyl-CoA, so as to play the role of food preservation.

2.

Sodium benzoate as an important chemical raw material and food preservative, is widely used in medicine, chemical industry, food and other fields.

1.

in the field of medicine Sodium benzoate is often used as a preservative in the field of medicine, such as for the preservation of oral liquid preparations, injections, ointments and other pharmaceutical products. Because sodium benzoate has the effect of inhibiting the growth of bacteria, it can effectively extend the shelf life of drugs and ensure the quality and safety of drugs.

2.

in the food field Sodium benzoate is widely used as a preservative in the food field to prevent food spoilage and extend the shelf life of food. Sodium benzoate can be converted into benzoic acid under acidic conditions, and benzoic acid can inhibit the growth of yeast, mold and bacteria, so sodium benzoate is widely used in jam, preserves, pickles, beverages and other food preservation.

3. chemical field

sodium benzoate in the chemical industry also has a wide range of applications, can be used as raw materials for the production of other chemical products, such as for the production of benzoic acid, benzyl alcohol, benzaldehyde and other chemical products. In addition, sodium benzoate can also be used to prepare dyes, spices and other fine chemical products.

In short, sodium benzoate, as an important chemical raw material and preservative, has a wide range of applications in the fields of medicine, chemical industry, food and so on.

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