Sodium benzoate is a substance which has the chemical formula C6H5COONa. It is a widely used food preservative, with an E number of E211. Sodium benzoate powder is a white crystalline substance that is commonly used as a food preservative. It is also used in the production of various industrial products, such as pharmaceuticals, cosmetics, and plastics. Sodium benzoate powder is effective in preventing the growth of bacteria, yeast, and fungi, making it an ideal preservative for food and other products. It is also used as a pH adjuster and flavor enhancer in various food and beverage products. Sodium benzoate powder is generally recognized as safe by the FDA and is widely used in the food industry.