CAS 79-09-4 Propanoic acid is a short-chain fatty acid with the chemical formula C₃H₆O₂. It is a clear, oily liquid with a pungent odor, commonly described as rancid or sour. Alternative names for propanoic acid include propionic acid and ethylformic acid.
Molecular Structure: CH₃CH₂COOH
Color: Colorless
Odor: Sharp, vinegar-like smell
High Quality Propanoic Acid Properties
Physical Properties:
- Appearance: Colorless liquid
- Odor: Pungent, acetic-like odor
- Density: 0.993 g/cm³ (at 20°C)
- Boiling Point: 141°C (286°F)
- Melting Point: -20.8°C (-5.4°F)
- Flash Point: 54°C (129°F)
- Solubility in Water: Completely miscible
- Vapor Pressure: 0.3 mmHg (at 20°C)
Chemical Properties:
- Purity: 99% minimum (Industrial Grade)
- Acidity (pH): 2.8 – 3.2 (1M aqueous solution)
- Refractive Index: 1.420 (at 20°C)
- Stability: Stable under normal conditions, but reacts with oxidizing agents, bases, and reducing agents.
High Quality Propanoic Acid Production
- Petrochemical: The traditional way to make High Quality Propanoic Acid.
- Bio-based: A more eco-friendly method that's growing in use. It uses Propionibacterium bacteria to ferment renewable materials, such as agricultural waste.
High Quality Propanoic Acid Applications
Food preservation: High-quality propionic acid stops mold and bacteria growth in baked goods, cheese and tortillas. It is often used as calcium propionate or sodium propionate.
Agriculture: Preserves animal feed like hay and silage, and treats poultry litter. It is also an ingredient in herbicides.
Chemical intermediate: Used to make plastics, rubber, textiles, dyes, coatings and lubricants.
Pharmaceuticals: Propionic Acid C3h6o2 serves as an intermediate in drug production. It is also being studied for possible uses in treating diseases like MS and Parkinson's.
Flavor/fragrance: Added to perfumes and used to create flavors in food and drinks.
Other: CAS 79-09-4 is used in cosmetics, bioplastics, and as a buffer to stabilize pH.
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