CAS 79-09-4 Propanoic acid is highly soluble in polar solvents like water, ethanol, and ether. At room temperature, it can mix completely with water due to the presence of its carboxyl group, which forms hydrogen bonds with water molecules. This characteristic is critical for applications in:
- Food Industry: Where it needs to dissolve evenly in food preservatives and additives.
- Pharmaceuticals: To ensure consistent distribution in liquid formulations.
It is less soluble in non-polar solvents like hydrocarbons but can still interact due to its moderate chain length.
What is propionic acid (CAS 79-09-4) used for in food?
Propionic acid CAS 79-09-4, known as E280, is a common food preservative, often used as sodium or calcium propionate. It inhibits mold in baked goods like bread and cakes, and dairy products such as cheese-even lending Swiss cheese its nutty flavor. It's also used in confectionery, jams, fermented olives, and to preserve grains and animal feed.
How Is Propionic Acid CAS 79-09-4 Applied in Foods?
To boost stability, propionic acid CAS 79-09-4 is usually added to foods in the form of its salts: sodium propionate or calcium propionate. It acts as a fungistatic agent, which slows down microbial growth instead of killing bacteria.
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