Sodium Propionate
CAS No.: 137-40-6
Sodium Propionate is a chemical compound with the formula NaC₃H₅O₂, which is the product of the reaction between propionic acid and sodium hydroxide (NaOH). Sodium Propionate is widely used in food, especially baked goods.
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Specification Available: Food Grade
Product Introduction of Sodium Propionate
Sodium Propionate is the sodium salt of propionic acid, commonly used as a preservative and antimicrobial agent in the food industry. It appears as a white crystalline powder or granules and is highly soluble in water. As a natural and safe preservative, it helps to extend the shelf life of food products by inhibiting the growth of mold and bacteria. It is widely used in bakery products, cheeses, meats, and various processed foods.
Basic properties
Sodium Propionate usually appears as a solid white crystal or white granules. Its appearance and texture are similar to common salts or fine-grained powders. The crystal structure of sodium propionate is relatively regular, the texture is relatively dry, and it is usually stable at room temperature.
Chemical formula: NaC₃H₅O₂
Color: white or colorless crystals
Form: crystalline or granular
Texture: dry, odorless, but with a slight sour taste
Sodium propionate is easily soluble in water and is often used in aqueous solutions. Since it is a food additive, its appearance usually does not affect its application, and the main concern is its solubility and effectiveness.
Product Benefits of Sodium Propionate
Sodium propionate is a versatile preservative used in food products for its antimicrobial properties.
1. Antimicrobial Properties: Sodium propionate inhibits the growth of molds, yeast, and bacteria, particularly in baked goods, extending the shelf life of products like bread, cakes, and other baked items.
2. Preservation of Freshness: By preventing microbial growth, it helps maintain the texture, flavor, and overall quality of food products, keeping them fresh longer.
3. Safe for Consumption: As a food-grade additive, sodium propionate is recognized as safe by food safety authorities such as the FDA, when used in approved quantities.
4. Versatile Application: It is commonly used in bread, cakes, and processed meats, as well as in other food categories like cheese, salad dressings, and sauces to prevent spoilage.
5. Low Toxicity: Unlike some other preservatives, sodium propionate has a relatively low toxicity profile, making it suitable for use in a wide range of foods.
6. Non-Destructive to Taste: Unlike some preservatives that may affect the flavor of the food, sodium propionate typically does not impact the taste or aroma, preserving the food’s natural qualities.
7. Cost-Effective: Compared to some other preservatives, sodium propionate is often more affordable, making it an economical option for food manufacturers.
8. Regulatory Approval: It is approved for use by numerous international food safety organizations, making it a reliable option for global food production.
Due to these benefits, Sodium propionate is a common choice for food manufacturers looking to extend product shelf life while maintaining safety and quality.
Product Application of Sodium Propionate
Sodium propionate is widely used across various food products, particularly for its preservative qualities and ability to extend shelf life. Here are some common applications.
1. Baked food: Food grade sodium propionate used in baked food such as bread, cakes, and steamed buns to prevent the growth of mold and yeast and extend shelf life.
2. Processed meat products: used in meat products such as sausages, hot dogs, and cooked food to inhibit the growth of microorganisms and keep the products fresh.
3. Cheese: used in hard and semi-hard cheeses to prevent the growth of mold and bacteria and extend shelf life.
4. Snacks and candies: used in some snacks and candies to keep food fresh and prevent mold.
5. Condiments and salad dressings: used in salad dressings, sauces and other products to prevent microbial contamination and extend shelf life.
6. Pet food: used in pet food to prevent mold growth and maintain product quality.
Sodium propionate is mainly used for preservation and extending shelf life, and is widely used in baking, meat products, dairy products, condiments and pet food.
Processing Flow of Sodium Propionate
The production process of Sodium propionate usually includes the following main steps:
1. Raw material preparation: The main raw materials are propionic acid and sodium hydroxide.
2. Neutralization reaction: Propionic acid reacts with sodium hydroxide to form sodium propionate.
3. Purification: Impurities are removed by filtration, crystallization and other methods to ensure product purity.
4. Drying: Water is removed to obtain dry sodium propionate crystals.
5. Grinding (if necessary): The dried sodium propionate is ground into the required particle size.
6. Quality testing: The product is tested for purity and microbiology to ensure that it meets food-grade standards.
7. Packaging: Qualified products are packaged in a form suitable for transportation.
8. Storage and distribution: The product is stored in a dry and cool place until shipment.
The whole process ensures that the quality of Sodium propionate is suitable for food preservation and other industrial uses.
Product Parameter of Sodium Propionate
| ITEMS | SPECIFICATION |
|---|---|
| Appearance | White granular |
| Assay % | 99.0～100.5 |
| Basicity | Pass |
| Loss on drying % | ≤1 |
| As mg/kg | ≤3 |
| Heavy metals (Pb) mg/kg | ≤4 |
| Fe | ≤30 |
| Storage | Store in cool & dry place, keep away from strong light and heat. |
Precautions for Using Sodium Propionate in Manufacturing
When using sodium propionate in manufacturing, especially in food products, several precautions should be taken to ensure the safety, quality, and effectiveness of the final product.
1. Storage conditions: Store in a dry, cool place, avoid moisture and direct sunlight, ensure good sealing and prevent moisture.
2. Dosage: Use according to the recommended dosage to avoid excessive or insufficient dosage that affects product quality.
3. Avoid contamination: Ensure that tools are clean when using, and wear appropriate protective equipment (such as gloves, masks) to avoid direct contact.
4. Mix evenly: Ensure that sodium propionate is evenly mixed to prevent local excessive or insufficient dosage from affecting the preservative effect.
5. Compatibility check: Compatibility with other ingredients must be confirmed in advance to avoid adverse reactions.
6. Compliance with regulations: Ensure that use complies with local food safety standards and indicate added ingredients so that consumers are informed.
7. Environmentally friendly treatment: Waste should be handled in accordance with environmental protection regulations to avoid pollution to the environment.
These measures help ensure the safe and effective use of sodium propionate and protect product quality.
Reasons for selecting Chempora Sodium Propionate
Here are some reasons for selecting Sodium Propionate from Chempora:
1. High purity and quality: Meet strict food safety standards, ensure high purity (99.0-100.5%), and effectively extend the shelf life of food.
2. Wide application: Suitable for a variety of foods such as bread, cakes, cheese and processed meat products to prevent mold and bacterial growth.
3. Compliance with international standards: Comply with food safety regulations such as FDA and EFSA to ensure compliance in the global market.
4. Competitive price: Provide competitive prices, support bulk purchases, and meet the needs of production of different scales.
5. Reliable supply chain: Stable supply and global distribution to ensure on-time delivery.
6. Environmental protection and safety: Meet environmental protection and safety management standards, suitable for sustainable development needs.
Choosing Chempora’s food-grade sodium propionate can ensure product quality, meet safety standards, and enjoy excellent customer support.
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