CAS · 137-40-6
Product Overview
Sodium propionate is a high-purity feed-additives supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.
Product Specifications
| Item | Specification |
|---|---|
| Grade | FCC V+USP |
| Appearance | White Crystalline Powder |
| Assay (On dry basis) | 99.0%～100.5% |
| Identification | A. IR B. Sodium test |
| Propionic acid content (On dry basis) | 75%-76% |
| Loss on drying | 1.0% max |
| Free acid, ml/g | Passed Test |
| Free alkali, ml/g | Passed Test |
| Alkalinity | If a pink color is produced, it is discharged by 0.6mL of 0.10 N Sulfuric acid |
| Iron (as Fe) | 30ppm max |
| Heavy metals (as Pb) | 2ppm max |
Applications
1. Food Industry
a. Preservative
● Primary Application: Sodium propionate丨CAS 137-40-6 is commonly used as a mold inhibitor in baked goods and other food products. It is effective against a wide range of spoilage organisms, particularly molds and yeasts.
Typical Uses:
Bread: Prevents mold growth on bread and other baked goods.
Cheese: Acts as a preservative in cheeses like Swiss cheese.
Processed meats: Helps to prevent microbial spoilage.
Cakes, muffins, and pastries: Extends freshness and shelf life.
b. Flavor Enhancer and pH Regulator
● While its primary role is preservation, it can also be used as a flavor enhancer and a pH regulator in some food applications.
c. Inhibit Bacterial Growth
● Acts as a bacteriostatic agent in some products, particularly those that are susceptible to bacterial contamination.
2. Animal Feed
● Preservative for Animal Feed: Sodium propionate is used in the preservation of animal feeds, particularly in grain storage and silage. It helps maintain the quality of feed by inhibiting mold growth and prolonging shelf life.
● Antimicrobial Agent: Helps to maintain the health and nutritional value of feed by preventing microbial contamination.
3. Pharmaceutical and Cosmetics Industry
a. Preservative in Pharmaceuticals
● Used in pharmaceutical formulations such as creams, ointments, and emulsions as a preservative to prevent microbial growth and to enhance the product's stability.
b. Cosmetic Products
● Sodium propionate is used in cosmetic formulations such as lotions, shampoos, and deodorants as a preservative to protect the product from contamination and extend shelf life.
c. Dermatological Treatments
● Because of its mild antimicrobial properties, it may be found in certain dermatological treatments that aim to prevent skin infections caused by bacteria and fungi.
4. Industrial Applications
a. Water Treatment
● Used in some water treatment processes for its antimicrobial properties, helping to control microbial growth in industrial water systems.
b. Wood Preservation
● Can be used as a wood preservative, particularly in wood treatment processes where prevention of mold and fungal growth is essential.
Benefits
√ Effective Mold and Bacteria Inhibitor
● Sodium propionate丨CAS 137-40-6 is a highly effective agent for preventing mold growth in food, particularly in baked goods and cheese.
● It also acts as an antimicrobial for some bacteria, extending the shelf life of products without refrigeration.
√ Natural and Safe Preservative
● As a naturally occurring substance in food (found in fermented foods), sodium propionate is considered safe and is listed as GRAS (Generally Recognized as Safe) by the FDA.
√ Non-Toxic and Non-Corrosive
● Unlike some synthetic preservatives, sodium propionate is non-toxic at typical concentrations used in food products and is non-corrosive, making it safe for both consumers and manufacturers.
√ Compatible with Other Preservatives
● It can be used in combination with other preservatives such as sorbic acid or calcium propionate, providing a synergistic effect for broader antimicrobial activity.
√ Prolongs Shelf Life
● Helps to extend the shelf life of products by slowing down microbial growth, particularly molds, which would otherwise cause food spoilage.
√ Wide Regulatory Approval
● Sodium propionate has been approved for use as a food preservative in many countries, including the United States (FDA), European Union (EU), and Australia/New Zealand, where it is listed as E281.
Conclusion
Sodium propionate丨CAS 137-40-6 is a versatile and effective preservative widely used in food, animal feed, pharmaceuticals, and cosmetics. Its antimicrobial properties, especially against molds and certain bacteria, make it an indispensable ingredient in many products, helping to extend shelf life and maintain product quality.
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Conclusion
A concise summary and suitability assessment for this product is available on request. Contact our team to discuss whether it fits your process and quality requirements.