Fresh-Keeping Sodium Acetate Trihydrate

Fresh-Keeping Sodium Acetate Trihydrate for Food Preservation — Extend Shelf Life with E262-Grade Quality

Fresh-Keeping Sodium Acetate Trihydrate (CAS 6131-90-4) is a high-purity, food-grade preservative and buffering agent trusted by commercial food manufacturers worldwide. The product is made by Shanxi Zhaoyi Chemical Co., Ltd., a factory established in 1988, with a manufacturing area of 27,000 m2 and an annual output of 150,000 tonnes of acetate. Purity: 99.0% to 101.0% Heavy metals: <10ppm Arsenic: < 3 ppm It is FCC and E262 compliant and a good option for bakery, meat processing, RTE meals and other food preservation applications.

Technical Specifications

What Is Fresh-Keeping Sodium Acetate Trihydrate?

Sodium acetate trihydrate has a freshness retention function via two mechanisms, that is, pH buffer capacity and water activity. The chemical protects food systems from rapid pH changes, creating an environment that actively inhibits the growth of mould, yeast and bacteria. It is also hygroscopic and somewhat decreases the water activity (Aw), decreasing the likelihood of microbial multiplication.

It is a colourless, clear crystalline substance or a fine, white, granular powder, with a little acetic odour. It is very soluble in water (approx. 120 g/100 mL at 20°C). Its melting point of 58°C, where it dissolves in its own water of crystallisation, making it simple to include in heated food processing systems.

E262, a food preservative in the form of sodium acetate, is approved for use in the main international food safety regimes and may be used in worldwide supply chains.

Key Product Advantages

High purity, stringent impurity control. This grade is suitable for direct food contact and regulatory compliance in key export markets with heavy metals and arsenic carefully restricted, assaying 99.0%–101.0%.

Dual Functionality – holding and keeping moisture. Instead of only one function, like the additives, it works to hold moisture and soft texture in food and to stop dangerous germs at the same time . This dual role minimises the need for further additions, therefore reducing the cost of the formulation.

Broad spectrum antibacterial. It effectively inhibits moulds, yeasts, bacteria and aflatoxin causing organisms increasing food shelf life 2-3 times as compared to untreated products.

Flavour & Colour Neutral. Good food compatibility implies it does not alter the taste, colour or scent of final goods, an important criteria in commercial food manufacture.

Superb flow, no caking. The granular form is defined by a homogenous particle structure and may be handled and stored like a powder. This enables precision dosing and straightforward application in production processes.

Application Areas

Processed Meat & Poultry

In sausages, hams, and cured meats, this product inhibits pathogenic bacteria including Listeria and Salmonella. It works as a flavor-compatible preservative while allowing reduced sodium chloride usage. Shelf life extension of 30–50% under refrigeration is achievable, a significant benefit for cold-chain distribution.

Commercial Bakery & Confectionery

Rope spoilage — caused by heat-resistant Bacillus strains in bread and dough — is a serious commercial loss for large-scale bakeries. Sodium acetate trihydrate freshness preservation works here by buffering dough pH during fermentation, preventing spoilage-favorable conditions and ensuring consistent crumb texture and rise.

Ready-to-Eat Meals & Acidified Sauces

It functions as a buffering agent in acidic foods such as marinades, salad dressings and ingredients of RTE meals. It smooths out the harsh acetic flavour of synthetic vinegar, but yet leaves enough acid to act as a preservative – so it tastes better without sacrificing safety.

Aquatic Products Fruits & Vegetables

Fresh and processed aquatic products, fruits, vegetables and cereals may be applied by direct addition, soaking or surface spraying. The modularity of the application pathways makes it adaptable to diverse processing lines and product types.

Fresh-Keeping Sodium Acetate Trihydrate vs Other Products

Quality Control & Compliance Documentation

Every production batch undergoes internal quality verification against FCC and E262 standards. Parameters checked include assay purity, pH value, heavy metal content, arsenic level, and physical appearance.

Shanxi Zhaoyi Chemical supports your procurement process with full documentation, including Certificate of Analysis (COA), Material Safety Data Sheet (MSDS), and conformity documentation — available in multiple languages upon request.

Certifications & Compliance

Shanxi Zhaoyi Chemical Co., Ltd. holds the following certifications relevant to food-grade Fresh-Keeping Sodium Acetate Trihydrate supply:

· ISO 9001 — Quality Management System

· ISO 14001 — Environmental Management System

· ISO 45001 — Occupational Health and Safety Management System

· Kosher Certification

· Halal Certification

These certifications support your supply chain compliance needs, especially when supplying to regulated markets in Europe, North America, and the Middle East. On-site factory audits by international customers are also welcomed and supported.

Storage & Handling

Store in a dry, well-ventilated warehouse away from heat and moisture. Keep away from poisonous substances and handle with care during unloading to avoid packaging damage. Proper storage conditions protect product purity and maintain free-flowing granular form throughout the shelf life.

FAQ

Q：Can sodium acetate be used as a food additive?

 A: Sodium acetate is authorised as a food additive in the European Union under the number E262 . In the United States , it is recognised by the FDA ( GRAS status ) and FCC standards . As a food preservative E262 it is approved in most of the main global food markets.

Q： How can sodium acetate trihydrate improve shelf life of food?

A: It acts via pH buffering and little lowering of water activity. The shelf life extension food uses of sodium acetate may extend the shelf life of food items 2 to 3 times more than untreated food products by preserving the non-favorable pH range for the development of microorganisms and by slightly lowering the moisture content accessible.

Q： Is this product safe for direct food contact applications?

A: Yeah. Assay purity 99.0% - 101.0% Heavy metals < 10 ppm Arsenic < 3 ppm This grade is restricted for direct food contact. It meets the E262 and FCC requirements and has Kosher and Halal certifications.

Q：What are the suggested application methods?

A: Depending on the kind of food, it may be administered via direct mixing into recipes, soaking or surface spraying. The approach is robust and applicable to most commercial food processing facilities.

Q：What packing alternatives exist?

A: Standard packing 25 kilogram plastic woven bags or 1,000 kg tonne bags. We provide Custom package options and OEM labelling on request to fit your distribution and retail needs.

Q：How long does it take to get an order?

A: Standard product orders will be sent within 5-7 business days. When stock is available stock orders may be made for shipping within 24 hours. For technical or commercial questions, you will get a response within 2 hours during business hours.

Contact Us

Ready to source Fresh-Keeping Sodium Acetate Trihydrate for your production needs? Contact us at sxzy@sxzhaoyi.com — our team responds within 2 hours.​​​​​​​