Sodium Benzoate
Sodium Benzoate is a common preservative commonly used in foods, beverages, cosmetics and personal care products. It is a sodium salt of benzoic acid, which has antibacterial and antifungal properties that can help extend the shelf life of products.
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CAS No.: 532-32-1
Specification Available: Food Grade
Product Introduction of Sodium Benzoate
Sodium Benzoate is the sodium salt of benzoic acid, commonly used as a preservative in a wide range of products due to its antimicrobial properties. It appears as a white, crystalline powder or granules and is highly soluble in water. It is primarily used in the food, beverage, cosmetic, and pharmaceutical industries for its ability to inhibit the growth of bacteria, yeast, and molds.
Product Name: Sodium Benzoate
Purity: ≥99%
Molecular Formula: C₆H₅COONa
Synonyms: Benzoate of Sodium, Sodium Benzoate Powder
Appearance: White crystalline powder or granular form.
Solubility: Soluble in water, slightly soluble in alcohol.
pH: 7–9 (in aqueous solution).
Stability: Stable under normal conditions. Decomposes at high temperatures (above 300°C).
Standard packaging: 25 kg bags
Product Advantages of Sodium Benzoate
Sodium benzoate is a widely used preservative that helps extend the shelf life of various products by inhibiting the growth of bacteria, mold, and yeast.
1. Effective Preservative: Sodium benzoate is highly effective at preventing the growth of microorganisms, which helps preserve the freshness and safety of food, beverages, cosmetics, and pharmaceuticals.
2. Broad Application: It is used in a wide range of industries, including food and beverage, cosmetics, personal care, and pharmaceuticals, making it versatile and in demand.
3. Cost-Effective: Sodium benzoate is relatively inexpensive compared to other preservatives, making it a cost-efficient solution for manufacturers.
4. Easy to Use: It is easy to incorporate into formulations as it dissolves readily in water and has stable properties over time.
5. Regulatory Approval: It is approved by food safety regulatory agencies (such as the FDA and EFSA) for use in specified concentrations in food and beverages, providing assurance of its safety when used correctly.
6. Low Toxicity: When used within recommended limits, sodium benzoate is considered safe for human consumption and use.
These qualities make sodium benzoate a popular choice in many products where shelf life and product stability are crucial.
Product Application of Sodium Benzoate
Sodium Benzoate is a common food preservative that is widely used in the processing of various foods and beverages.
1. Food Preservative
Sodium benzoate effectively inhibits the growth of bacteria, yeast, and molds, preventing food spoilage and extending the shelf life of products. It works best in acidic environments (pH below 7), and is therefore widely used in the following types of food:
- Beverages: Such as soft drinks, fruit juices, tea drinks, etc.
- Jams and Jellies: Prevents the growth of mold and bacteria, extending the shelf life.
- Fermented and Pickled Foods: Such as pickles and pickled vegetables.
- Condiments: Such as salad dressings, ketchup, soy sauce, etc.
- Canned Foods: Helps suppress microbial growth, preserving the freshness of canned products.
- Candies and Preserved Fruits: Prevents mold and bacterial growth in candies and preserved fruits.
2. Use of Preservative in Processed Foods
- Baked Goods: Such as cookies, cakes, bread, etc., preventing spoilage due to prolonged storage.
- Frozen Foods: Such as frozen vegetables and fruits, preventing spoilage during storage and transportation.
- Condiments and Seasonings: Sodium benzoate is added to common condiments like ketchup, mustard, and sauces to prevent spoilage caused by bacterial or fungal growth during storage.
3. Preservation of Freshness in Foods and Beverages
Sodium benzoate effectively delays or inhibits microbial growth, preserving the freshness of food. It is particularly important for the preservation of fruit juices, beverages, and processed foods.
- Fruits and Vegetables：In some fruit and vegetable processing, sodium benzoate is used for preservation, especially during pickling and canning, helping to prevent mold and spoilage.
- Dairy Products：In the processing of certain dairy products, such as yogurt and cheese, sodium benzoate is used to prevent microbial contamination, ensuring product quality and safety.
4. Pickled Foods
For pickled items like pickles and pickled meats, sodium benzoate helps prevent bacterial and mold growth, ensuring safe long-term storage.
- Candied and Preserved Fruits：For sugar-rich products like candied fruits and preserved fruits, sodium benzoate is effective in preventing mold growth due to microbial activity.
- Control of Fermentation: In some specialty foods, sodium benzoate can be used to control the fermentation process, ensuring that the product does not become contaminated by unwanted microorganisms.
Food-grade sodium benzoate is an effective and economical preservative that is widely used in various processed foods, particularly those that require long-term stability and freshness during storage.
Product Parameter of Sodium Benzoate
| Item | Specification |
|---|---|
| Product Name | Sodium Benzoate |
| Chemical Formula | C7H5NaO2 |
| Molecular Weight | 144.11 g/mol |
| Appearance | White crystalline powder |
| Purity | ≥99% |
| Solubility | Soluble in water, slightly soluble in alcohol |
| Melting Point | 300°C (decomposes) |
| Boiling Point | Not available (decomposes before boiling) |
| Storage Conditions | Store in a cool, dry place, away from direct sunlight |
| Packaging | 25 kg/Drum or as required |
| Usage | Food preservative, cosmetic preservative, and in various industrial applications |
| Regulatory Status | Approved by FDA, EFSA, and other regulatory agencies for use in food and beverages |