Furan, 2-methyl-

• Formula: C₅H₆O
• Molecular weight: 82.1005
• IUPAC Standard InChI: InChI=1S/C5H6O/c1-5-3-2-4-6-5/h2-4H,1H3 Copy

  
• IUPAC Standard InChIKey: VQKFNUFAXTZWDK-UHFFFAOYSA-N Copy
• CAS Registry Number: 534-22-5
• 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.
• Other names: α-Methylfuran; Silvan; Sylvan; 2-Methylfuran; 5-Methylfuran; Methylfuran; UN 2301; 2-Methylfurane
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Gas phase ion energetics data
  • UV/Visible spectrum
  • Gas Chromatography
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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Gas phase thermochemistry 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 compiled by: Glushko Thermocenter, Russian Academy of Sciences, Moscow

Constant pressure heat capacity of gas

Condensed phase thermochemistry 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 compiled by: Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

Phase change 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 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
DH - Eugene S. Domalski and Elizabeth D. Hearing

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

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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 compiled as indicated in comments:
B - John E. Bartmess
ALS - 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

C₅H₅O^- +  =

By formula: C₅H₅O^- + H⁺ = C₅H₆O

 +  =

By formula: C₄H₂O₃ + C₅H₆O = C₉H₈O₄

IR Spectrum

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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 compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Gas Phase Spectrum

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Additional Data

Mass spectrum (electron ionization)

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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 compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Notes

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

Thermodynamics Research Center, 1997
Thermodynamics Research Center, Selected Values of Properties of Chemical Compounds., Thermodynamics Research Center, Texas A&M University, College Station, Texas, 1997. [all data]

Green J.H.S., 1977
Green J.H.S., Spectroscopic and thermodynamic properties of furan derivatives. I. 2- and 2,5-substituted compounds, Spectrochim. Acta, 1977, A33, 843-848. [all data]

Carlson and Westrum, 1965
Carlson, H.G.; Westrum, E.F., Jr., 2-Methylfuran. Heat capacity and thermodynamic properties from 5 to 310 K, J. Chem. Eng. Data, 1965, 10, 134-135. [all data]

Carlson and Westrum, 1965, 2
Carlson, H.G.; Westrum, E.F., Jr., 2-Methylfuran-Heat Capacity and Thermodynamic Properties from 5°to 310° K., J. Chem. Eng. Data, 1965, 10, 2, 134, https://doi.org/10.1021/je60025a018 . [all data]

Carlson, 1962
Carlson, , Ph.D. Thesis, Univ. Mich., Ann Arbor, MI, 1962. [all data]

Kobe, Ravicz, et al., 1956
Kobe, K.A.; Ravicz, A.E.; Vohra, S.P., Critical Properties and Vapor Pressures of Some Ethers and Heterocyclic Compounds, J. Chem. Eng. Data, 1956, 1, 50. [all data]

Moiseev and Antonova, 1970
Moiseev, V.D.; Antonova, N.D., Zh. Fiz. Khim., 1970, 44, 11, 2912. [all data]

Loras, Aucejo, et al., 2002
Loras, Sonia; Aucejo, Antonio; Montón, Juan B.; Wisniak, Jaime; Segura, Hugo, Phase Equilibria for 1,1,1,2,3,4,4,5,5,5-Decafluoropentane + 2-Methylfuran, 2-Methylfuran + Oxolane, and 1,1,1,2,3,4,4,5,5,5- Decafluoropentane + 2-Methylfuran + Oxolane at 35 kPa, J. Chem. Eng. Data, 2002, 47, 5, 1256-1262, https://doi.org/10.1021/je0255325 . [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]

Krevor and Prausnitz, 1986
Krevor, David H.; Prausnitz, John M., Vapor-liquid equilibria for model mixtures of coal-derived liquids. 1. Binary systems with 2-methylfuran, J. Chem. Eng. Data, 1986, 31, 3, 349-353, https://doi.org/10.1021/je00045a027 . [all data]

Dykyj, 1972
Dykyj, J., Petrochemia, 1972, 12, 1, 13. [all data]

Eon, Pommier, et al., 1971
Eon, C.; Pommier, C.; Guiochon, G., Vapor pressures and second virial coefficients of some five-membered heterocyclic derivatives, J. Chem. Eng. Data, 1971, 16, 4, 408-410, https://doi.org/10.1021/je60051a008 . [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]

DePuy, Kass, et al., 1988
DePuy, C.H.; Kass, S.R.; Bean, G.P., Formation and Reactions of Heteroaromatic Anions in the Gas Phase, J. Org. Chem., 1988, 53, 19, 4427, https://doi.org/10.1021/jo00254a001 . [all data]

Balbi, 1991
Balbi, N., Dynamic calorimetry in the study of Diels-Alder reaction, Calorim. Anal. Therm., 1991, 22, 299-304. [all data]

Sparks and Poling, 1983
Sparks, B.G.; Poling, B.E., Energy storage capacity of reversible liquid-phase Diels Alder reaction between maleic anhydride and 2-methyl furan, Am. Inst. Chem. Eng. Symp. Ser. (AIChE Symp. Ser.), 1983, 29, 534-537. [all data]

Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), References

• Symbols used in this document:
  

  Cp,gas	Constant pressure heat capacity of gas
  Cp,liquid	Constant pressure heat capacity of liquid
  Pc	Critical pressure
  S°liquid	Entropy of liquid at standard conditions
  Tboil	Boiling point
  Tc	Critical temperature
  Ttriple	Triple point temperature
  Vc	Critical volume
  ΔfusH	Enthalpy of fusion
  ΔfusS	Entropy of fusion
  ΔrG°	Free energy of reaction at standard conditions
  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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