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Sodium benzoate CAS 532-32-1 (E211), also called benzoate of soda, has the chemical formula NaC6H5CO2. It 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 exists in white small granular or white powder, odorless or with slight odor of benzoic, soluble in water and alcohol.

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. It is also found in alcohol-based mouthwash and silver polish. It can also be found in cough syrups like Robitussin. Sodium benzoate is declared on a product label as 'sodium benzoate' or E211. It is also used in fireworks as a fuel in whistle mix, a powder which imparts a whistling noise when compressed into a tube and ignited.

Specification

Item                         Food grade                      Pharmaceutical grade  BP98

Content(dry base)          ≥99.0%                               99.0-100.5%

Loss on dry                    ≤1.5%                                     ≤2.0%
PH                        Confirm with standard              Confirms with BP98
Chloride                        ≤0.05%                                    ≤0.02%
Heavy metals                ≤0.01%                                    ≤0.001%
Arsenic(AS)                   ≤0.0002%                                ≤0.0002%
Sulfate                             /                                           ≤0.1%

Application

Food preservative
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 (vinegar), 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.
Pharmaceutical applications
Sodium benzoate is used as a treatment for urea cycle disorders due to its ability to bind amino acids. This leads to excretion of these amino acids and a decrease in ammonia levels.Sodium benzoate is used to treat hyperammonemia.Sodium benzoate has been shown to halt the progression of Parkinson's in mice.
Other uses
Sodium benzoate is also used in fireworks as a fuel in whistle mix, a powder that emits a whistling noise when compressed into a tube and ignited.

Packing

25kg/bag,16.5MT/20"FCL