Furfural

• Formula: C₅H₄O₂
• Molecular weight: 96.0841
• IUPAC Standard InChI: InChI=1S/C5H4O2/c6-4-5-2-1-3-7-5/h1-4H Copy

  
• IUPAC Standard InChIKey: HYBBIBNJHNGZAN-UHFFFAOYSA-N Copy
• CAS Registry Number: 98-01-1
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Species with the same structure:
  • 2-Furancarbaldehyde
• Other names: 2-Furancarboxaldehyde; 2-Furaldehyde; α-Furole; Artificial ant oil; Fural; Furaldehyde; Furale; Furancarbonal; Furfuraldehyde; Furfurole; Furfurylaldehyde; Furole; Pyromucic aldehyde; 2-Formylfuran; 2-Furanaldehyde; 2-Furancarbonal; 2-Furfural; 2-Furfuraldehyde; 2-Furylaldehyde; Furol; 2-Furylmethanal; Artificial oil of ants; Furfurale; Furfurol; NCI-C56177; 2-Furil-metanale; 2-Furankarbaldehyd; Rcra waste number U125; 2-Furylcarboxaldehyde; Qo furfural; Furan-2-aldehyde; Furan-2-carbaldehyde; NSC 8841; 2-furancarboxyaldehyde; furfural (2-furancarboxaldehyde); 2-Furancarboxaldehyde (furfural); furancarboxaldehyde (furfural)
• Information on this page:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
  • Gas Chromatography
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
• Options:
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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Constant pressure heat capacity of gas

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Reduced pressure boiling point

Enthalpy of vaporization

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Enthalpy of fusion

Entropy of fusion

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

 +  =  + 

By formula: C₁₁H₁₀N₂O + H₂O = C₆H₈N₂ + C₅H₄O₂

Gas phase ion energetics data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data evaluated as indicated in comments:
L - Sharon G. Lias

Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Avramescu and Isagescu, 1978
Avramescu, F.; Isagescu, D.A., Heats of combustion of mono- and difurfurylidene acetone, Rev. Roum. Chim., 1978, 23, 655-659. [all data]

Kudchadker and Kudchadker, 1975
Kudchadker, S.A.; Kudchadker, A.P., Thermodynamic properties of oxygen compounds. III. Benzaldehyde and furfural (2-furaldehyde), Ber. Bunsenges. Phys. Chem., 1975, 12, 432-437. [all data]

Miller, 1936
Miller, P., The free energy of furfural and some of its derivatives, Iowa State Coll. J. Sci., 1936, 10, 91-93. [all data]

Landrieu, Baylocq, et al., 1929
Landrieu, P.; Baylocq, F.; Johnson, J.R., Etude thermochimique dans la serie furanique, Bull. Soc. Chim. France, 1929, 45, 36-49. [all data]

Kudchadker S.A., 1975
Kudchadker S.A., Thermodynamic properties of oxygen compounds. III. Benzaldehyde and furfural (2-furaldehyde), Thermochim. Acta, 1975, 12, 432-437. [all data]

Miller, 1935
Miller, P., The free energy of furfural and some of its derivatives, Iowa State Coll. J. Sci., 1935, 10, 91-93. [all data]

Rastorguev and Ganiev, 1967
Rastorguev, Yu.L.; Ganiev, Yu.A., Study of the heat capacity of selected solvents, Izv. Vyssh. Uchebn. Zaved. Neft Gaz. 10, 1967, No.1, 79-82. [all data]

Omel'chenko, 1962
Omel'chenko, F.S., Specific heat of furfural, Izv. Vyssh. Ucheb. Zaved. Pishch. Tekhnol., 1962, No. 2, 151-152. [all data]

von Reis, 1881
von Reis, M.A., Die specifische Wärme flüssiger organischer Verbindungen und ihre Beziehung zu deren Moleculargewicht, Ann. Physik [3], 1881, 13, 447-464. [all data]

Timmermans, 1922
Timmermans, J., Investigation of the Freezing Point of Organic Substances VII, Bull. Soc. Chim. Belg., 1922, 31, 389. [all data]

Miller, 1936, 2
Miller, P., The Free Energy of Furfural and Some of Its Derivatives, Iowa State Coll. J. Sci., 1936, 10, 91-3. [all data]

Emel'yanenko, Dabrowska, et al., 2007
Emel'yanenko, Vladimir N.; Dabrowska, Aldona; Hertel, Marcus O.; Scheuren, Hans; Sommer, Karl, Vapor Pressures, Enthalpies of Vaporization, and Limiting Activity Coefficients in Water at 100 °C of 2-Furanaldehyde, Benzaldehyde, Phenylethanal, and 2-Phenylethanol, J. Chem. Eng. Data, 2007, 52, 2, 468-471, https://doi.org/10.1021/je060406c . [all data]

Hauschild, Wu, et al., 1987
Hauschild, Torsten; Wu, Huey S.; Sandler, Stanley I., Vapor-liquid equilibrium of the mixtures 2-furaldehyde/1-butanol and 2-furaldehyde/4-methyl-2-pentanone, J. Chem. Eng. Data, 1987, 32, 2, 226-229, https://doi.org/10.1021/je00048a028 . [all data]

Mathews, 1926
Mathews, J.H., The accurate measurement of heats of vaporization of liquids, J. Am. Chem. Soc., 1926, 48, 562-576. [all data]

Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P., Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Matthews, Sumner, et al., 1950
Matthews, J.B.; Sumner, J.F.; Moelwyn-Hughes, E.A., The vapour pressures of certain liquids, Trans. Faraday Soc., 1950, 46, 797, https://doi.org/10.1039/tf9504600797 . [all data]

Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E., The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]

Evans and Aylesworth, 1926
Evans, W.V.; Aylesworth, M.B., Some critical constants of furfural, Ind. Eng. Chem., 1926, 18, 1, 24-27, https://doi.org/10.1021/ie50193a013 . [all data]

Matthews, Sumner, et al., 1950, 2
Matthews, J.B.; Sumner, J.F.; Moelwyn-Hughes, E.A., The Vapour Pressures of Certain Liquids, Trans. Faraday Soc., 1950, 46, 797-803, https://doi.org/10.1039/tf9504600797 . [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]

Landrieu, 1905
Landrieu, M.Ph., Thermochimie. - Thermochimie des hydrazones, Compt. Rend., 1905, 141, 358-361. [all data]

Klapstein, MacPherson, et al., 1990
Klapstein, D.; MacPherson, C.D.; O'Brien, R.T., The photoelectron spectra and electronic structure of 2-carbonyl furans, Can. J. Chem., 1990, 68, 747. [all data]

Linda, Marino, et al., 1971
Linda, P.; Marino, G.; Pignataro, S., A comparison of sensitivities to substituent effects of five- membered heteroaromatic rings in gas phase ionization, J. Chem. Soc. B, 1971, 1585. [all data]

Dewar and Worley, 1969
Dewar, M.J.S.; Worley, S.D., Photoelectron spectra of molecules. I. Ionization potentials of some organic molecules and their interpretation, J. Chem. Phys., 1969, 50, 654. [all data]

Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J., Ionization potentials of some molecules, J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]

Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, References

• Symbols used in this document:
  

  Cp,gas	Constant pressure heat capacity of gas
  Cp,liquid	Constant pressure heat capacity of liquid
  IE (evaluated)	Recommended ionization energy
  Pc	Critical pressure
  S°liquid	Entropy of liquid at standard conditions
  Tboil	Boiling point
  Tc	Critical temperature
  Tfus	Fusion (melting) point
  Ttriple	Triple point temperature
  ΔcH°liquid	Enthalpy of combustion of liquid at standard conditions
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔfH°liquid	Enthalpy of formation of liquid at standard conditions
  ΔfusH	Enthalpy of fusion
  ΔfusS	Entropy of fusion
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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