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