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Name:Sodium benzoate

Synonyms: Benzoic acid sodium salt

Molecular Structure

Molecular Formula: C7H5NaO2

Molecular Weight: 144.10

CAS Registry Number: 532-32-1

EINECS: 208-534-8

FEMA: 3025..

Sodium benzoate (E211) 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 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 fully.

Items Specification
Assay(C7H5NaO2) 99.0% Max
Loss on drying 1.5% Max
Acidity or Alkalinity Clear
Water Solution Test Clear
Chloride 0.02% Max
Sulfate 0.12%
Heavy Metals(Pb) 0.001% Max
Arsenic 0.0002% Max
Chloride Compound 0.07% Max
Carburet Meet the requirement
Oxide Meet the requirement
Phthalic acid Meet the requirement

Packing: 25kg & 5kg woven bag, lined with PE bag .

Storage: Non-hazardous chemicals, sealed, keep packing tightly, no breakage .

Shelf life:2 years



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