CAS 532-32-1
Sodium Benzoate Powder
CAS 532-32-1
Sodium Benzoate Powder serves as a widely used preservative, primarily in the food and beverage industry. This white powder inhibits the growth of bacteria, yeast, and fungi, extending the shelf life of products. It is particularly beneficial in acidic environments, making it ideal for carbonated drinks, condiments, and pickled products. Its role as a preservative also extends into pharmaceutical formulations and personal care products, ensuring their longevity and safety for consumers.
Main applicationFood preservation — inhibits microbial growth in food products.
Sodium Benzoate Powder is essential for manufacturers focused on quality and safety in their food, beverage, and pharmaceutical products. Its ability to preserve products against microbial growth while complying with safety regulations makes it a valuable addition to bulk production processes, enhancing product reliability, and consumer trust.
Also known as
- E211
- Benzoate of soda

Trade pricing
Quoted per enquiry
Pricing depends on volume, grade and delivery point. Our desk responds within two working hours.
Available packaging
- Available in 25 kg bags.
Documentation
Batch-specific COA issued with every consignment.
Technical specifications
- CAS number
- 532-32-1
- Grade
- Technical grade
- Appearance
- White powder
Sodium Benzoate is the sodium salt of benzoic acid, often utilized for its antimicrobial properties. In its powdered form, it is effective in acidic solutions with a typical pH of around 4.5-5.0. Buyers should consider the desired purity level and the specific application when ordering. This product is generally supplied in 25 kg bags, making it convenient for industrial use. Properly evaluating the concentration in specific applications is crucial for maximizing its effectiveness as a preservative or an antibacterial agent.
Delivery
Sodium Benzoate Powder is dispatched from our Nairobi warehouse across Kenya, and export delivery is arranged to the wider East African market. Lead time depends on quantity and grade and is confirmed with your quotation — see delivery and collection for the towns we reach and how dispatch works.
Applications & uses
- Food preservation — inhibits microbial growth in food products.
- Beverage stabilization — extends shelf life of soft drinks and juices.
- Pharmaceuticals — used as a preservative in medications and topical products.
- Cosmetics — acts as a preservative in personal care products.
- Agricultural chemicals — serves as an antifungal agent in plant protection formulations.
Industries we supply this to
Why buy this from Sparks
- Extends shelf life of food and beverage products, reducing waste.
- Minimizes microbial contamination, ensuring consumer safety.
- Versatile applications across food, pharmaceuticals, and cosmetics.
- Easy to incorporate into various formulations due to its solubility.
- Cost-effective solution for preserving a wide range of products.
Quality assurance
- Documentation, including a certificate of analysis and safety data sheet, can be issued with a consignment where required.
State what your process, auditor or customs clearance requires when you request a quotation, and it is confirmed with the quote.
Safety, handling & storage
Always consult the full Safety Data Sheet before handling. Personnel must use appropriate PPE and follow local regulations for storage, transport and disposal.
Frequently asked questions
What is the CAS number of Sodium Benzoate Powder?
The CAS registry number for Sodium Benzoate Powder is 532-32-1. Quote this number when requesting a quotation or checking documentation, as it identifies the substance unambiguously regardless of the trade name used.
What are the other names for Sodium Benzoate Powder?
Sodium Benzoate Powder is also referred to as E211 and Benzoate of soda. These names describe the same substance, so a specification or enquiry written against any of them can be matched to this product.
What grade of Sodium Benzoate Powder is supplied?
Sodium Benzoate Powder is supplied as Technical grade. State the grade your process requires when requesting a quotation — where an alternative grade can be sourced, it is confirmed at quotation stage rather than assumed.
What does Sodium Benzoate Powder look like?
Sodium Benzoate Powder is described as white powder. Appearance is a useful first check on receipt of goods, though it does not replace the certificate of analysis for confirming that the material meets specification.
What is Sodium Benzoate Powder used for?
Common applications include food preservation — inhibits microbial growth in food products., beverage stabilization — extends shelf life of soft drinks and juices., pharmaceuticals — used as a preservative in medications and topical products., cosmetics — acts as a preservative in personal care products. and agricultural chemicals — serves as an antifungal agent in plant protection formulations.. The suitability of the product for a particular process depends on the grade and specification required, which is worth confirming against your own process conditions.
Which industries use Sodium Benzoate Powder?
Sodium Benzoate Powder is supplied to the Food Processing & Beverage, Agriculture & Agrochemicals, Pharmaceuticals & Healthcare and Cosmetics & Personal Care sectors. These are the industries this product is listed against in our catalogue; if your application falls outside them, we can advise on suitability before you order.
What packaging is Sodium Benzoate Powder available in?
Available in 25 kg bags. Where a different pack size or bulk delivery is required, it is confirmed at quotation stage against availability rather than listed here as standard.
Related to Sodium Benzoate Powder
Where this product sits in the catalogue, and the sectors that use it.
Related chemicals
Frequently bought together with Sodium Benzoate Powder, or used as alternatives in the same processes.

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