is used in acidic foods such as salad dressings, carbonated drink, jams and fruit juices, and condiments. Sodium Benzoate is the sodium salt of benzoic acid, white granular or crystalline powder.
white or colorless crystalline powder
Preservative. Sodium benzoate is a preservative, with the E number E211. It is most widely used in acidic foods such as salad dressings (i.e. acetic acid in vinegar), carbonated drinks (carbonic acid), jams and fruit juices (citric acid), pickles (acetic acid), and condiment.