Description

Sodium Benzoate CAS NO 532-32-1 is the sodium salt of benzoic acid, a widely used and highly effective preservative. It is valued for its ability to inhibit the growth of mold, yeast, and certain bacteria, thereby extending the shelf life of a vast range of products. This versatile compound is essential for manufacturers in the food and beverage, pharmaceutical, and personal care industries seeking reliable and compliant preservation solutions.

Application

• Food & Beverage Preservation: Primarily used as an antimicrobial agent in acidic foods and drinks such as carbonated soft drinks, fruit juices, pickles, salad dressings, and condiments.
• Pharmaceutical Formulations: Serves as a preservative in liquid medications, syrups, and topical preparations to prevent microbial contamination and ensure product stability.
• Personal Care & Cosmetics: Incorporated into products like shampoos, lotions, and creams to protect against spoilage and maintain safety for consumer use.
• Industrial Applications: Functions as a corrosion inhibitor in coolants and antifreeze formulations for automotive and industrial systems.
• Animal Feed Additive: Used to prevent fungal growth and preserve the nutritional quality of feed ingredients.

Basic Information

Product Name	Sodium Benzoate
CAS No.	532-32-1
Molecular Formula	C7H5NaO2
Molecular Weight	144.11 g/mol
Synonyms	Benzoic acid sodium salt; Sobenate; Antimol; Benzoate of soda; E211; Natriumbenzoat; Sodium benzoic acid
EINECS	208-534-8

Quality Control

Our Sodium Benzoate is manufactured under strict quality management systems to ensure it meets the highest standards for purity and consistency. We offer grades compliant with major pharmacopoeial and food standards, including USP, FCC, and EP. Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing all quality parameters, available upon request to support your regulatory and quality assurance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	White crystalline powder or granules
Identification (IR)	Conforms
Assay (on dried basis)	99.0% - 100.5%
pH (5% solution)	7.0 - 8.5
Loss on Drying	≤ 1.5%
Heavy Metals (as Pb)	≤ 10 ppm
Chloride (Cl)	≤ 200 ppm
Sulfate (SO4)	≤ 500 ppm
Readily Carbonizable Substances	Passes test

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.