| Furfural properties | |
| Molecular weight | 96.08 |
| Boiling point (˚C) | 161.7 |
| Freezing point (˚C) | 36.5 |
| Density at 25˚C | 1.16 |
| Refraction index at 25˚C | 1.5235 |
| Critical pressure (MPa) | 5.502 |
| Critical temperature (˚C) | 397 |
| Solubility in water at 25˚C (%peso) | 8.3 |
| Dielectric constant 20˚C | 41.9 |
| Vaporization heat (kJ/mol) | 42.8 |
| Viscosity at 25˚C (mPA) | 1.49 |
| Combustion heat at 25˚C (kJ/mol) | 234.4 |
| Formation enthalpy (kJ/mol) | 151 |
| Surface tension 29.9˚C (mN/m) | 40.7 |
| Auto-ignition temperature (˚C) | 315 |