Sodium Benzoate CAS 532-32-1

Sodium Benzoate CAS 532-32-1

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.

Introduction

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. [1] 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.


Functions and Applications

1.As an excellent food preservative, can be used as the antiseptic sterilization of various food and beverage    


2.As antiseptic sterilization of various drugs in pharmaceutical industry;    


3.It can be used in the production of metal’s corrosion inhibitor and antioxidant;


ItemStandardResult
CharacteristicsWhite PowderWhite Powder
IdentificationsQualfiedQualfied
Acidity or alkalinity0.20<0.20
Assay99.0%~100.5%99.50%
Heavy metals(Pb)0.001%<0.001%
Ionic chloride0.02%<0.02
Total chlocine0.03%<0.03
Loss on drying2.0%1.13%
Clarity and colour of solutionQualifiedQualified
Conclusion:The product above complies with the BP-98.



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