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Properties of substance:

furfural

Group of substances:

organic

Physical appearance:

colorless liquid

Empirical formula (Hill's system for organic substances):

C5H4O2

Molar/atomic mass: 96.084

Melting point (°C):

-36.5

Boiling point (°C):

161.7

Solubility (g/100 g of solvent):

acetone: very soluble [Ref.]
benzene: soluble [Ref.]
chloroform: soluble [Ref.]
diethyl ether: miscible [Ref.]
ethanol: miscible [Ref.]
water: 8.3 (20°C) [Ref.]
water: 19.9 (90°C) [Ref.]

Density:

1.1598 (20°C, g/cm3)

Refractive index (nD):

1.5261 (20°C)

Vapour pressure (Torr):

0.0075 (-26°C)
0.075 (-8°C)
0.75 (16°C)
7.5 (47°C)
10 (49.7°C)
65 (90°C)
75 (92.4°C)
100 (99.5°C)
750 (161.4°C)

Permittivity (dielectric constant):

41.9 (20°C)

Dipole moment (D):

3.57 (20°C)

Viscosity (mPa·s):

1.49 (25°C)

Surface tension (mN/m):

43.5 (20°C)

Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

-201.6 (l)

Molar heat capacity at constant pressure Cp (298.15 K, J/(mol·K)):

163.2 (l)

Enthalpy (heat) of vaporization ΔvapH (kJ/mol):

43.22

Flash point (°C):

61

Autoignition temperature (°C):

260

Heat of combustion (kJ/mol):

2341

Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

-151 (g)

LD50 (mg/kg):

425 (white mice, oral)
127 (rats, oral)
541 (guinea pig, oral)

Critical temperature (°C):

423

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 3-266
  2. Flick E.W. Industrial solvent handbook. - 5ed. - 1998. - pp. 455-461
  3. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 281-282
  4. Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 139-140
  5. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 191-192 [Russian]
  6. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 410-411 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru