CAS Number: 79-09-4 HS Number: 291550
Propionic Acid has one carboxylic group. It is a colorless liquid. Propionic acid is used in feed and food for preservation as free acid or as sodium/calcium salts. In these applications the Propionic Acid is active as a powerful Mould Inhibitor. Other areas are ester solvents, pharmaceutical intermediates, herbicides, synthetic flavors and fragrances.