Propionic acid is a colorless liquid with a pungent odor, used in food preservation, as a disinfectant, and in the manufacture of various chemicals.
- Food Industry: Used as a preservative (E280) in food products, especially in baked goods and cheeses.
- Agriculture: Applied as a fungicide and herbicide.
- Chemical Manufacturing: Used as an intermediate in the production of plastics, herbicides, and insecticides.
- Pharmaceuticals: Used as a precursor in the production of various pharmaceuticals.
Physical and Chemical Properties:
| Properties |
Data |
| Appearance |
Colorless liquid |
| Odor |
Pungent, characteristic odor |
| Molecular Formula |
C3H6O2 |
| Molecular Weight |
74.08 g/mol |
| Boiling Point |
141 °C |
| Density |
1.003 g/cm³ |
| Solubility |
Soluble in water, alcohol, and ether |
| Flash Point |
69.5 °C |
| Chemical Stability |
Stable under normal conditions, but should be kept away from strong oxidizing agents |