Sodium benzoate is the sodium salt of benzoic acid and exists in this form when dissolved in water. It can be produced by reacting sodium hydroxide with benzoic acid.
Sodium benzoate is a preservative. It is bacteriostatic and fungistatic under acidic conditions. It is used most prevalently in acidic foods such as salad dressings (vinegar), carbonated drinks (carbonic acid), jams and fruit juices (citric acid), pickles (vinegar), and condiments.
Function of potassium benzoate
Sodium Benzoate is a substance which has the chemical formula NaC7H5O2. It is a widely used food preservatives with an E number of E211. It is the sodium salt of benzoic acid and exists in this form when dissolved in water.Sodium benzoate is a preservative. As a food additive, sodium benzoate has the E number E211. It is bacteriostatic and fungistatic under acidic conditions. It is most widely used in acidic foods such as salad dressings (vigenar), carbonated drinks (carbonic acid), jams and fruit juices (citric acid), pickles(vinegar), and condiments. It is also used as a preservative in medicines and cosmetics..
Application of potassium benzoate
1.Sodium benzoate mainly used in the food industry as food preservatives, such as used in soy sauce, vinegar, salt pickles, fruit juice, jam, fruit wine, canned food, soft drinks, syrup, beverages, tobacco etc. In the it used for the preparation of sedative drugs such as caffeine, and used in the pills syrup corrosion.
2. It is also used as anti-corrosion and anti-mildew for the rust-proof paper, latex paint, shoe polish, glue, fabric.
3. In addition, it can also be used as the mordant dye industry for dye industrial, and as the plasticizer for plastics industry,used as a as well as the spice of industrial raw materials.
4. It can be used in chemical reagent, used as a serum bilirubin test cosolvent.