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Propanoic Acid

  • Product Name: Propionic acid
  • Other Names: PA
  • Cas No.: 79-09-4
  • Purity: 99%
  • MF: C3H6O2
  • Appearance: Colorless, oily liquid
  • Package: Drum
  • Certificate: ISO
  • Application: Mainly used at various industry like Food and Bevarage,Animal Feed,Textile and chemical
  • Sample: Available

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Product Detail

Product Parameter

Synonyms Carboxyethane, Ethanecarboxylic acid, Ethylformic acid, Metacetonic acid, Methylacetic acid
Chemical Formula C3H6O2 CAS Number 1979/9/4
Molar mass 74.079 g·mol−1
Appearance Colorless, oily liquid
Odor Pungent, rancid, unpleasant
Density 0.98797 g/cm3
Melting point −20.5 °C (−4.9 °F; 252.7 K)
Boiling point 141.15 °C (286.07 °F; 414.30 K)
Vapor pressure 2.4 mm Hg ( 20 °C)
Acidity (pKa) 4.88
Refractive index 1.3843
Flash point 125 °F
Solubility 8.19 g/g (−28.3 °C), 34.97 g/g (−23.9 °C), Miscible (≥ −19.3 °C)
Solubility in water Miscible in EtOH, ether, CHCl3
Stability Stable. Incompatible with strong oxidizing agents. Flammable.
log P 0.33
Storage condition Store below +30°C



1. Food industry: Propionic acid can be used as a food preservative, often used for the preservation of bread, dough, candy, feed, etc., to extend the shelf life of food.

2. Feed additives: PA can also be used as a preservative and acid regulator in animal feed. It can prevent the growth of microorganisms in the feed, maintain the freshness of the feed, and also help animals digest and absorb the feed.

3. Chemical synthesis: chemical propionic acid can be used as a raw material or reagent for organic synthesis. It can react with other compounds to form different compounds. For example, propionic acid can be synthesized into propionate by esterification, and acrylic acid can also be formed by dehydration.

4. Pharmaceutical industry: Propionic acid has some applications in the pharmaceutical industry. For example, it can be used as a raw material for certain drugs, for the synthesis of drug intermediates or other compounds; It can also be used as an ingredient in local anesthetic drugs.

5. Other fields: Propionic acid can also be used in coatings, plastics, solvents and other fields. It can be used as an acidic substance to regulate pH, and participate in chemical reactions or play some functional role.

Multiple uses of products

It use in Food and Beverage Industry,Animal Feed Industry,Pharmaceutical Industry,Agriculture and Crop Protection,Textile Industry,Personal Care and Cosmetics Industry,Rubber Industry,