Propionic Acid – Industrial Organic Acid for Food Preservation and Chemical Manufacturing
Introduction
Propionic Acid, also known as propanoic acid, is a short-chain organic carboxylic acid with the chemical formula C₃H₆O₂. It is typically a clear, colourless liquid with a sharp, pungent odour. Propionic Acid is used in food preservation, animal feed production, chemical manufacturing, and various industrial applications. Its antimicrobial properties make it particularly useful in selected formulations designed to help control mould and certain microorganisms.
Industrial Applications
Propionic Acid is widely used in the production of preservatives and propionate salts, including calcium propionate and sodium propionate. These compounds are used in suitable food and feed applications to help control mould growth and extend product shelf life, subject to applicable regulations.
In animal feed manufacturing, Propionic Acid and its derivatives may be used to help manage mould and spoilage in stored feed and raw materials. It is also used as an intermediate in chemical synthesis and in the manufacture of selected pharmaceuticals, agricultural chemicals, fragrances, and other specialty products. The appropriate grade depends on the intended application and its regulatory requirements.
Key Benefits
Propionic Acid offers useful chemical reactivity and antimicrobial properties in suitable applications. It serves as a versatile raw material for producing propionate salts and other chemical derivatives. Its use in preservation systems can help control spoilage under appropriate conditions, while its role as a chemical intermediate supports a range of industrial manufacturing processes.
Product Specifications
| Parameter | Specification |
|---|---|
| Product Name | Propionic Acid |
| Alternative Name | Propanoic Acid |
| Chemical Formula | C₃H₆O₂ |
| CAS Number | 79-09-4 |
| Molecular Weight | 74.08 g/mol |
| Appearance | Clear, colourless liquid |
| Odour | Sharp, pungent odour |
| Boiling Point | Approximately 141°C |
| Melting Point | Approximately −21°C |
| Density at 20°C | Approximately 0.99 g/cm³ |
| Solubility | Miscible with water |
| Primary Applications | Preservatives, animal feed, chemical synthesis, industrial manufacturing |
| Packaging | Drums or bulk containers, depending on supplier |
| Storage | Store in compatible, tightly closed containers according to the SDS |
Storage and Handling
Propionic Acid is corrosive and can cause serious burns to the skin and eyes. Its vapours may irritate or damage the respiratory tract, so it must be handled by trained personnel with appropriate ventilation and protective equipment. Use chemical-resistant gloves, suitable eye and face protection, and other PPE specified in the supplier’s Safety Data Sheet (SDS).
Store Propionic Acid in compatible, tightly closed containers in a designated, well-ventilated area away from heat, ignition sources, strong oxidizers, and incompatible materials such as strong alkalis. Follow the supplier’s instructions for spill response, transport, and disposal. <Cite refs={["turn834154search2","turn834154search5","turn834154search10"]}/>
Quality and Supply
Propionic Acid is available in different commercial grades for industrial, technical, and permitted food-related applications. Buyers should verify purity, water content, appearance, packaging, and applicable regulatory documentation before ordering. Food and feed applications require a suitable grade that complies with the relevant standards and permitted usage conditions.
Conclusion
Propionic Acid is a versatile organic acid used in preservative production, animal feed applications, chemical synthesis, and industrial manufacturing. Its chemical properties and role as a precursor for propionate salts make it valuable across several industries. Selecting the appropriate grade and following established safety procedures are essential for reliable performance and safe handling.
