This section focuses on an overview of sodium diacetate powder as well as its manufacturing processes and uses. Also, please check out the introduction to sodium diacetate manufacturers, supply chain issues, sodium diacetate suppliers, and sodium diacetate prices. Sinofi can help you buy high-quality sodium diacetate in bulk for your industry applications at wholesale prices based on E262 and CAS 126-96-5.
Table of Contents
What is Sodium Diacetate?
Sodium diacetate is a sodium salt of acetic acid widely used in the food industry as both a preservative and flavoring agent. It plays a crucial role in food safety and product stability while contributing distinct flavor characteristics to various food products. Sodium diacetate consists of sodium acetate combined with acetic acid in a 1:1 molecular ratio, giving it unique properties that make it valuable for commercial applications. According to the U.S. Food and Drug Administration (FDA), sodium diacetate is approved to be used as a preservative in the food and pharmaceutical industries.
CAS No.: 126-96-5
According to the American Chemical Society, the CAS number of sodium diacetate is 126-96-5.
Molecular Formula: NaH(C2H3O2)2
Molecular Mass: 143.09
Appearance: White crystalline powder
Solubility: Readily dissolves in water.
Other Names:
Acetic acid, sodium salt (2:1)
Acetic acid, sodium salt, compd. with acetic acid (1:1)
Sodium acid acetate
Sodium diacetate
E number: E262
According to the European Food Safety Authority (EFSA), sodium diacetate is approved to be used as E262 food additive.
Bulk Sodium Diacetate Manufacturers
The global sodium diacetate production capacity is dominated by several bulk manufacturers like Macco and Niacet. They maintain dedicated production facilities in the United States, China, and Netherlands. Their proprietary manufacturing process ensures that high-purity sodium diacetate is suitable for various food applications. Sodium diacetate production requires sophisticated manufacturing facilities and strict quality control measures to meet food-grade standards. The compound, composed of sodium acetate and acetic acid, serves dual purposes as both a preservative and flavoring agent, driving steady demand from food processors worldwide.
Sinofi is a bulk sodium diacetate manufacturer in China, and we have a manufacturing facility with 2,500 square meters for the production of sodium diacetate E262. We supply high-quality sodium diacetate at bulk prices and serve the food, pharmaceutical, cosmetics, and personal care industries worldwide.
Manufacturing Process of Sodium Diacetate
Raw Materials and Prerequisites
The primary raw materials required for sodium diacetate production include sodium acetate and glacial acetic acid. The manufacturing facility must maintain precise temperature control systems and corrosion-resistant equipment due to the acidic nature of the process. All materials and equipment must meet food-grade standards when the product is intended for food applications.
Manufacturing Process
Initial Preparation
The process begins with the preparation of a concentrated sodium acetate solution. Pure sodium acetate is dissolved in deionized water under controlled conditions to achieve the desired concentration. The solution temperature is maintained between 50-60°C to ensure optimal dissolution.
Reaction Phase
Glacial acetic acid is gradually introduced to the sodium acetate solution while maintaining constant agitation. The reaction occurs under carefully controlled conditions, with the temperature maintained between 60-70°C. The molar ratio of sodium acetate to acetic acid is precisely controlled at 1:1 to ensure proper product formation.
Crystallization
Following the reaction phase, the solution undergoes controlled cooling to initiate crystallization. The temperature is gradually reduced to 20-25°C using jacketed crystallizers. This step is critical as it determines the crystal size and purity of the final product.
Separation and Drying
The crystallized sodium diacetate is separated from the mother liquor using centrifugation. The crystals undergo washing with a small amount of cold water to remove impurities. The product is then dried in rotary dryers under controlled temperature conditions, typically between 40-50°C, to achieve the desired moisture content of less than 1%.
The manufacture of sodium diacetate requires careful attention to process parameters, equipment selection, and quality control measures. Success in production depends on maintaining precise control over reaction conditions and implementing robust safety and quality management systems.
Bulk Sodium Diacetate Suppliers
The global sodium diacetate supply is dominated by several bulk suppliers like Macco and Niacet. Most bulk manufacturers operate through a network of distributors while maintaining direct relationships with large food processing companies. Regional distribution centers ensure reliable supply chains across North America, Europe, and Asia-Pacific markets.
Sinofi is a bulk sodium diacetate supplier in China, and we have a warehouse with 1,200 square meters for high-quality sodium diacetate E262. We sell different grades of sodium diacetate at wholesale prices to food, pharmaceutical, personal care, and industrial chemical manufacturers.
Supply Chain of Sodium Diacetate
The sodium diacetate supply chain represents a complex network of interdependent stakeholders, each playing a crucial role in ensuring consistent product availability.
Supply Chain Structure
Primary Producers
The production landscape is dominated by major chemical manufacturers in Asia, North America, and Europe. Key manufacturing hubs are concentrated in China, where approximately 45% of global production capacity is located. Secondary production centers exist in the United States, Germany, Czech, France, and Canada.
Distribution Network
The supply chain follows a multi-tiered structure:
- Major chemical manufacturers produce bulk sodium diacetate.
- Regional distributors handle large-volume transactions and maintain regional warehousing.
- Local distributors and agents serve smaller markets and end-users.
- End-users include food manufacturers, pharmaceutical companies, and industrial applications.
As the industry continues to evolve, focus on supply chain resilience, sustainability, and technological integration will become increasingly important for maintaining efficient operations and meeting market demands.
Wholesale and Buy Sodium Diacetate in Bulk
Successful bulk procurement of sodium diacetate requires a comprehensive approach that balances quality, cost, and risk management considerations. By following these guidelines and maintaining strong supplier relationships, organizations can ensure a reliable supply of high-quality material while optimizing their total cost of ownership.
When sourcing sodium diacetate in bulk quantities, several quality parameters require careful evaluation:
Purity Standards
The minimum purity should be 98% for food-grade applications, with strict limits on heavy metals and other impurities. Ensure compliance with relevant food safety standards (FDA, FSMA, GFSI) and industrial specifications.
Physical Properties
- Particle size distribution
- Moisture content
- Flow characteristics
Documentation Requirements:
- Certificate of Analysis (CoA)
- Safety Data Sheet (SDS)
- Food-grade certification (if applicable)
- Manufacturing compliance documentation
As a bulk sodium diacetate manufacturer and supplier in China, we supply high-quality products for food, pharmaceutical, personal care, and industrial chemical industries. We also wholesale sodium diacetate to small customers. Normally, they want to buy sodium diacetate powder in small quantities. To serve them, we can wholesale high-quality sodium diacetate at bulk prices and provide a one-stop purchasing service.
Sodium Diacetate Prices (USD/Kg)
Food Grade Sodium Diacetate Prices
(Purity: sodium acetate 58.0%–60.0%, free acetic acid 39.0%–41.0%)
| Volume | Unit Price | Shipment |
| 50g | 3 USD | Express |
| 500g | 13 USD | Express |
| 1Kg | 18 USD /Kg | Express |
| 20Kg | 30% cheaper | Express |
| 100Kg-Above | negotiable | Express / Sea |
Sodium diacetate prices have experienced significant fluctuations over the past year, driven by increased demand from food preservation applications and ongoing supply chain challenges. Manufacturing disruptions in key production facilities have significantly impacted the global supply. Several major producers have reported operational challenges, including raw material shortages and increased energy costs. Additionally, logistics bottlenecks and elevated transportation costs continue to affect international distribution networks.
Furthermore, the above sodium diacetate price quotations, especially for small orders, do not include the express shipping fee. The reason is that the shipment cost of sodium diacetate may exceed the value of the sample. However, the bulk wholesale prices of sodium diacetate will be much lower than those of small orders. Please contact us for more details.
Sodium Diacetate Uses
The food and beverage industry remains the primary consumer of potassium sorbate, accounting for approximately 70% of global consumption. Other significant markets include:
Food Uses
- Antimicrobial agent in meat products
- pH control in baked goods
- Flavor enhancement in seasonings
- Preservative in processed foods
In food manufacturing, sodium diacetate functions primarily as a preservative and acidity regulator. The compound effectively inhibits the growth of bacteria, molds, and yeasts, making it particularly valuable in bread and baked goods preservation. Its ability to maintain consistent pH levels while providing antimicrobial properties has made it an essential ingredient in commercial bread production, helping to extend shelf life without compromising taste or texture.
The meat processing industry also relies heavily on sodium diacetate. When used in combination with other preservatives, it helps prevent the growth of Listeria monocytogenes in processed meats. This application is crucial for food safety, particularly in ready-to-eat meat products where bacterial control is essential.
Industrial Uses
- Buffer solution component
- Chemical intermediate
- Laboratory reagent
- Pharmaceutical processing
Beyond food preservation, sodium diacetate finds applications in various industrial processes. The compound serves as a buffering agent in chemical manufacturing, helping maintain stable pH levels in various solutions. Its properties make it useful in the production of pharmaceuticals, where pH control is critical for product stability and effectiveness.
The textile industry utilizes sodium diacetate in dyeing processes, where it acts as a penetrating agent and helps achieve more uniform color distribution. Additionally, the compound plays a role in leather processing, contributing to improved texture and durability of finished leather products.
Sodium diacetate’s diverse applications demonstrate its importance in modern industry. From ensuring food safety to enabling efficient industrial processes, it continues to play a crucial role in various sectors.
Sodium Diacetate Benefits
Preservation Properties
Sodium diacetate demonstrates remarkable antimicrobial properties that help extend food shelf life. The compound effectively inhibits the growth of harmful bacteria, molds, and yeasts, making it particularly valuable in bakery products, processed meats, and ready-to-eat foods.
pH Control and Flavor Enhancement
Beyond its preservative qualities, sodium diacetate plays a vital role in controlling food acidity. The compound helps maintain optimal pH levels, which not only contributes to preservation but also enhances flavor profiles.
Economic Benefits
The use of sodium diacetate offers significant economic advantages for food manufacturers. By extending product shelf life and reducing spoilage, it helps minimize waste and maximize distribution efficiency.
Sodium Diacetate Used in Food
A Method for Preserving Smoked and Grilled Meat Foods
The specific steps are as follows:
- Raw material processing: The pork belly is trimmed and cut as necessary.
- Tumbling and marinating: Add the ingredients and tumble and marinate at 4℃.
- Blanching: Blanch the marinated meat pieces in boiling water until the center of the meat pieces is free of blood water, then remove them.
- Cooking: Add water, spices, and other auxiliary materials to the pot, and cook the blanched meat pieces. Add the following amounts of preservatives based on 1000 parts by weight of the meat pieces: 0.15 parts of ε-polylysine hydrochloride, 1.5 parts of sodium diacetate, and 1.0 parts of sodium lactate.
- Spore induction: After cooking, add 8 parts of food-grade brown sugar and 5 parts of food-grade L-alanine, and soak at 60℃ for 1 hour to induce spores.
- Drying: Remove the cooked and soaked meat pieces and place them in a smoking oven, then dry at 60℃ for 1 hour.
- Smoking and grilling: Burn wet wood blocks to produce smoke, filter the smoke, and send it into the smoking chamber for smoking at 700℃ for 1 hour.
- Packaging and sterilization: After smoking and grilling, remove and cool the meat pieces, vacuum pack them, and sterilize at 110℃ for 20 minutes.
In conclusion, sodium diacetate remains an essential ingredient in modern food production, balancing preservation needs with flavor enhancement. As a bulk sodium diacetate manufacturer and supplier in China, we sell different grades of sodium diacetate at wholesale prices to large manufacturers and small customers worldwide.