What is the function of propanoic acid?
Propanoic acid inhibits growth of mold and various bacteria and is used as a preservative for food (especially bread and other baked goods as its sodium or calcium salts), animal feed (directly or as its ammonium salt), and grains.

What are the properties of propanoic acid?
Chemical Properties
- Molecular Formula: C₃H₆O₂
- Molecular Weight: 74.08 g/mol.
- Density: 0.993 g/cm³ (at 20°C)
- Boiling Point: 141°C.
- Melting Point: -20.7°C.
- Appearance: Oily, clear, and colorless liquid.
- Refractive Index: 1.387 (at 20°C)

What is the common name of propanoic acid?

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