Sodium Benzoate
Sodium Benzoate is a widely used preservative in food and beverage applications. It is a white crystalline powder that helps inhibit the growth of bacteria, yeast, and fungi.
Chemical Properties

Sodium Benzoate
Sodium Benzoate is a widely used preservative in food and beverage applications. It is a white crystalline powder that helps inhibit the growth of bacteria, yeast, and fungi.
Product Introduction
Sodium Benzoate is an essential preservative that plays a vital role in the food and beverage industry. It is primarily used to prolong the shelf life of products by preventing microbial growth. This chemical is particularly important in East Africa, where food safety and preservation are paramount due to the region's diverse climatic conditions. Buyers sourcing from Kivi Chemicals can rely on high-quality Sodium Benzoate that meets industry standards, ensuring product safety and compliance. Its versatility extends beyond food applications, making it valuable in pharmaceuticals and cosmetics as well.
Detailed Product Overview
Sodium Benzoate, with the chemical formula C7H5NaO2, is the sodium salt of benzoic acid, recognized for its preservative capabilities. Appearing as a white crystalline powder with a molecular weight of 144.22 g/mol, it is soluble in water and typically used in acidic environments to inhibit the growth of bacteria, yeast, and fungi. This makes it particularly effective in applications where pH levels are lower, as the acidic conditions enhance its preservative action. Its efficacy as a preservative is a result of its ability to penetrate the cell walls of microorganisms, disrupting their metabolic functions and thereby preventing spoilage and extending shelf life. In the industrial sector, Sodium Benzoate is predominantly used in the food and beverage industry, where it serves as a key preservative in products such as pickles, sauces, and carbonated drinks. Its ability to maintain product stability in acidic conditions makes it an indispensable component in these applications. Beyond food preservation, it is also used in pharmaceutical formulations and cosmetic products to prevent microbial growth. In personal care products, it ensures the longevity and safety of items such as shampoos and lotions. Its versatility extends to its role in the formulation of certain medications, where it acts as a preservative to maintain efficacy. Sodium Benzoate is available in a food-grade specification, ensuring its suitability for consumption-related applications. Buyers should verify that the appearance matches the specification of a white crystalline powder and confirm the CAS number 532-32-1 to ensure the correct product is received. It is important to check the solubility and pH of the solution to confirm its efficacy in intended applications. While the product does not have specific boiling or melting points due to its stability at room temperature, ensuring compliance with the solubility and appearance specifications is crucial for effective use. Handling and storage of Sodium Benzoate require careful attention to maintain its quality and effectiveness. It should be stored in a dry, cool environment, away from direct sunlight and moisture to prevent caking or degradation. The product is typically supplied in 25 kg polypropylene bags, which provide adequate protection during transport and storage. It is important to ensure these bags are intact upon arrival to prevent contamination. When handling, standard safety precautions should be observed, including the use of protective gear to avoid inhalation or contact with skin. Kivi Industrial Chemicals Limited ensures that the packaging meets industry standards, facilitating safe and efficient supply across the East African market.
Applications & Uses
Food Preservation
Sodium Benzoate is widely used in the food industry as a preservative to inhibit the growth of microorganisms. It is particularly effective in acidic foods and beverages, helping to extend shelf life and maintain product quality.
Beverage Industry
In the beverage sector, Sodium Benzoate is commonly added to soft drinks and fruit juices to prevent spoilage. Its ability to maintain flavor and safety makes it a popular choice among manufacturers.
Pharmaceutical Applications
Sodium Benzoate is utilized in pharmaceuticals as a preservative in various formulations. It ensures the stability and efficacy of liquid medications, contributing to patient safety.
Cosmetics and Personal Care
This compound is also found in cosmetics and personal care products, where it acts as a preservative to prevent microbial contamination, ensuring product longevity and safety for consumers.
Benefits & Advantages
Sodium Benzoate offers several operational benefits for East African buyers. Firstly, its effectiveness as a preservative allows manufacturers to increase the shelf life of their products, reducing waste and enhancing profitability. By inhibiting the growth of harmful microorganisms, it ensures food safety, which is crucial in maintaining consumer trust. Furthermore, its versatility means it can be utilized across various industries, including food, pharmaceuticals, and cosmetics, providing a multi-functional solution for businesses. Buyers sourcing from Kivi Chemicals will benefit from reliable supply and adherence to safety standards, ensuring that their products meet regulatory requirements and consumer expectations.
Packaging & Bulk Supply
Sodium Benzoate is typically available in 25 kg bags, making it convenient for bulk purchases. Kivi Chemicals provides flexible packaging options to meet the needs of various industries, ensuring that buyers can source the quantities they require without compromising on quality.
Storage & Handling
Sodium Benzoate should be stored in a cool, dry place, away from direct sunlight and moisture to maintain its effectiveness. It is important to keep the packaging tightly sealed to prevent contamination. When handling this chemical, appropriate personal protective equipment (PPE) such as gloves and masks should be worn to ensure safety. Avoid ingesting or inhaling the powder, and always follow local regulations regarding storage and disposal.
External References & Further Reading
Technical Specifications
| Appearance | White crystalline powder |
| CAS Number | 532-32-1 |
| Solubility | Soluble in water |
| Boiling Point | N/A |
| Melting Point | N/A |
| pH of solution | 7-8 (1% solution) |
| Molecular Weight | 144.22 g/mol |
Safety & Handling Guidelines
Not classified as hazardous under GHS
Sodium Benzoate is generally recognized as safe when used in appropriate concentrations. However, it is important to handle it with care. Wear gloves and masks to avoid skin and respiratory irritation. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. For skin contact, wash thoroughly with soap and water. Always refer to the material safety data sheet (MSDS) for detailed safety information and handling procedures.
Regulatory Compliance & Standards
Frequently Asked Questions
What is Sodium Benzoate used for?
Sodium Benzoate is primarily used as a preservative in food and beverages to inhibit microbial growth and extend shelf life.
Is Sodium Benzoate safe for consumption?
Yes, Sodium Benzoate is generally recognized as safe when used within prescribed limits in food and beverages.
How should Sodium Benzoate be stored?
It should be stored in a cool, dry place, away from moisture and sunlight, in tightly sealed packaging.
Can Sodium Benzoate be used in cosmetics?
Yes, Sodium Benzoate is commonly used as a preservative in cosmetics and personal care products.
What industries commonly use Sodium Benzoate?
Sodium Benzoate is widely used in the food, beverage, pharmaceutical, and cosmetic industries.
What is the recommended concentration for food use?
It is typically used in concentrations ranging from 0.1% to 0.5% in food products.
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