Propionic acid is mainly used as a food preservative and mold inhibitor, as well as an inhibitor of viscous substances such as beer, a solvent for nitrocellulose, and a plasticizer. It can also be used in the preparation of nickel plating solutions, the preparation of food flavorings, and the manufacturing of pharmaceuticals, pesticides, and mold inhibitors.
Foreign name: Propaonic Acid
Alias: Oleic acid
Chemical formula: CH3CH2COOH
Molecular weight: 74.08
CAS login number: 79-09-4
EINECS login number: 201-176-3
Melting point: -20.8 ℃ (101 kPa)
Boiling point: 141 ℃ (101 kPa)
Water solubility: miscible with water
Density: 0.99 g/cm ³ (101 kPa, 25 ℃)
Appearance: Colorless oily liquid
Flash point: 54 ℃ (101 kPa)
Applications: preservatives, chemical synthesis, cosmetic raw materials, food industry
Security Description: S23, S26, S36, S45
Hazard symbol: C
Hazard description: R23 R34
UN Dangerous Goods Number: 3463
