Sodium Benzoate is a sodium salt of benzoic acid with the formula C7H5NaO2. Here is a description of sodium benzoate and some common uses:

Description: 

•Chemical properties: Sodium benzoate is a white crystalline solid, soluble in water. It has a faint sour taste.

•Production Method: Sodium benzoate can be prepared by reacting benzoic acid with sodium hydroxide.

Purpose: 

1. Food preservative: Sodium benzoate is a commonly used food preservative, widely used in food and beverage manufacturing. It can inhibit the growth and reproduction of microorganisms and extend the shelf life of food. Sodium benzoate is often used in carbonated beverages, juices, cans, sauces, pastries and other foods to prevent the growth of mold, yeast and bacteria.

2. Pharmaceutical preparations: Sodium benzoate has a certain application in pharmaceutical preparations. It can act as a preservative and stabilizer for drugs, helping to extend the shelf life of drugs and maintain the stability of drugs.

3. Cosmetics and personal care products: Sodium benzoate is also widely used in cosmetics and personal care products. It acts as a preservative to help extend the shelf life of products and prevent the growth of bacteria and mold.

4. Medical applications: Sodium benzoate is used as an antibacterial and antifungal agent in the medical field. It is often used in some topical ointments and skin care products to prevent the growth of bacteria and mold.