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Sodium Benzoate (E211) (CAS 532-32-1) is a highly reliable, food-grade preservative widely recognized for its efficiency in extending the shelf life of various commercial food systems. Presented as white granules or a fine crystal powder, this additive features a slight benzoin odor and a sweet, mildly astringent taste. Its primary function is to actively inhibit the proliferation of bacteria, mold, and yeast, ensuring long-term food safety and freshness.
For food manufacturers, the high solubility of Sodium Benzoate in water and its partial solubility in ethanol make it exceptionally easy to integrate into existing production lines without requiring complex processing steps. Furthermore, it demonstrates outstanding stability when exposed to air, which significantly simplifies storage requirements and reduces inventory management risks. The antimicrobial efficacy of this additive is highly dependent on the acidity of the food matrix; it achieves optimal performance within a pH range of 2.5~4.0. By maintaining this acidic environment, the preservative effectively penetrates microbial cell walls to disrupt their growth, offering a dependable solution for large-scale food preservation needs.
Specification Item | Details |
CAS Number | 532-32-1 |
Appearance | White granules or crystal powder |
Odor | Odorless or slightly benzoin odor |
Solubility | Easily soluble in water; soluble in ethanol |
Optimal Antisepsis pH | 2.5~4.0 |
Recommended Dosage | 0.1–0.5 g per kilogram of food product |
Product Grade | Food Grade |
Stability | Stable in air |

Strict adherence to the recommended dosage of 0.1–0.5 g per kilogram of food product is essential for balancing effective preservation with regulatory compliance. Procurement and production teams should carefully adjust the exact formulation based on the specific water activity, baseline acidity, and anticipated storage conditions of the target food system to achieve the desired shelf-life extension.
To maximize the antibacterial and antifungal capabilities of Sodium Benzoate, it is crucial to optimize the pH value of the food system to the ideal range of 2.5~4.0 prior to final processing. Operating within this acidic spectrum ensures that the additive remains in its most active, undissociated state, providing maximum protection against microbial spoilage.
For efficient integration and to prevent localized concentration spikes, it is highly recommended to dissolve the granular or crystal powder in a proportionate volume of water before introduction. Once completely dissolved, the solution should be evenly mixed into the main food system. This uniform distribution guarantees consistent preservative coverage throughout the entire batch, safeguarding overall product consistency.
With 20+ years of experience in the production and distribution of food additives, our technical team possesses deep industry insights. We focus exclusively on delivering reliable preservatives backed by comprehensive technical support, helping manufacturers optimize their formulations and overcome preservation challenges.
Mitigating procurement risk is our priority. All our products undergo rigorous quality control protocols and have successfully passed stringent international certifications, including SGS, ISO, and REACH. This guarantees absolute compliance with global food safety standards and regulatory requirements.
Supply chain stability is critical for continuous manufacturing operations. Supported by a 12,000+ square meters factory and a 5000+ square meters dedicated warehouse, we maintain strong production capabilities. Our expansive logistics network currently serves clients across 120+ countries and regions, ensuring stable, on-time deliveries regardless of order volume.
We provide a streamlined procurement experience that extends beyond mere product supply. From initial raw material sourcing to expert formulation guidance and troubleshooting, our dedicated team offers 24-hour online technical support to ensure your production processes run efficiently and without interruption.
Choosing the right preservative is crucial for maintaining product integrity and optimizing production costs. Our Food-Safe Benzoate Sodium E211 Additive offers a strategic solution for food manufacturers seeking reliable performance and long-term commercial value.
The Sodium Benzoate additive maintains highly stable performance when exposed to air, particularly under standard sealed storage conditions. This exceptional chemical stability ensures that the preservative remains active throughout its intended shelf life, reducing material waste for manufacturers. Furthermore, it offers a significant cost-effective advantage compared to many alternative commercial preservatives. By integrating this highly efficient additive into your production lines, food manufacturers can substantially lower overall production costs while maintaining premium quality, ultimately enhancing market competitiveness and profit margins.
Navigating global food safety standards is a primary concern for modern food processing enterprises. This premium preservative complies strictly with international food additive regulations and boasts a long, proven history of safe application within the global food industry. It is widely accepted by both consumers and stringent market supervision departments worldwide. Utilizing our Benzoate Sodium E211 helps procurement teams and product developers minimize compliance risks, ensuring smooth market entry for your finished food and beverage products across diverse regional markets.
Versatility is a key factor in streamlining inventory and formulation processes. Our Benzoate Sodium E211 Additive is expertly formulated to be suitable for both acidic and non-acidic food products, making it an incredibly versatile additive for various complex food formulations. This adaptability allows manufacturers to use a single, reliable preservative across multiple product lines. It simplifies procurement, reduces storage complexity, and provides consistent preservation results across your entire brand portfolio.
The primary value of a top-tier preservative lies in its ability to protect the final product. By effectively inhibiting the rapid growth of yeast, mold, and harmful bacteria, this Sodium Benzoate additive prevents food spoilage and structural deterioration. It plays a critical role in maintaining the original taste, texture, nutritional integrity, and overall quality of food products during extended storage and long-distance transportation. Extending the shelf life not only reduces product return rates due to spoilage but also empowers brands to expand their distribution networks globally with absolute confidence.
Our Sodium Benzoate (E211) is meticulously engineered to meet the preservation needs of diverse food sectors. It adds significant value and protection to the following core food categories:
As a dedicated partner in the food additive industry, we back our premium products with robust manufacturing capabilities, strict quality control, and a commitment to seamless global cooperation. Explore our facilities and certifications below.
Sodium Benzoate maintains stable performance in air, especially in sealed storage conditions. It has a cost-effective advantage compared with many other preservatives, which helps reduce the production cost of food manufacturers.
This preservative complies with international food additive regulations and has a long history of safe application in the food industry. It is widely accepted by consumers and market supervision departments.
It is suitable for both acidic and non-acidic food products, making it a versatile additive for various food formulations.
By effectively inhibiting microbial growth, Sodium Benzoate prevents food spoilage and deterioration, thus maintaining the integrity and quality of food products during storage.
Sodium Benzoate (E211) is widely used in the following food categories:
Beverages: Carbonated drinks, fruit juices, and soft drinks
Preserved Foods: Jams, sauces, pickles, and canned products
Confectionery: Candies and sweet spreads
Processed Foods: Packaged meat products and baked goods









