● Propionic acid is a short-chain saturated fatty acid.
● Chemical formula: CH3CH2COOH
● CAS number: 79-09-4
● Appearance: Propionic acid is a colorless oily, corrosive liquid with a pungent odor.
● Solubility: miscible with water, soluble in ethanol, ether, chloroform
● Propionic acid is mainly used as food preservative and mildew inhibitor, and can be used as beer and other medium-viscous substances inhibitor, nitrocellulose solvent and plasticizer.