Methyl propyl ether

• Formula: C₄H₁₀O
• Molecular weight: 74.1216
• IUPAC Standard InChI: InChI=1S/C4H10O/c1-3-4-5-2/h3-4H2,1-2H3 Copy

  
• IUPAC Standard InChIKey: VNKYTQGIUYNRMY-UHFFFAOYSA-N Copy
• CAS Registry Number: 557-17-5
• 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: Propane, 1-methoxy-; Ether, methyl propyl; Methyl n-propyl ether; Metopryl; Neothyl; 1-Methoxypropane; n-C3H7OCH3; α-Methoxy propane; UN 2612; Propyl methyl ether
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• Information on this page:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Henry's Law data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
• Data at other public NIST sites:
  • Computational Chemistry Comparison and Benchmark Database
  • 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

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 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

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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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Enthalpy of vaporization

Enthalpy of vaporization

Δ_vapH = A exp(-βT_r) (1 − T_r)^β
    Δ_vapH = Enthalpy of vaporization (at saturation pressure) (kJ/mol)
    T_r = reduced temperature (T / T_c)

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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

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:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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.

Fenwick, Harrop, et al., 1975
Fenwick, J.O.; Harrop, D.; Head, A.J., Thermodynamic properties of organic oxygen compounds. 41. Enthalpies of formation of eight ethers, J. Chem. Thermodyn., 1975, 7, 943-954. [all data]

Pilcher, Pell, et al., 1964
Pilcher, G.; Pell, A.S.; Coleman, D.J., Measurements of heats of combustion by flame calorimetry. Part 2-Dimethyl ether, methyl ethyl ether, methyl n-propyl ether, methyl isopropyl ether, Trans. Faraday Soc., 1964, 60, 499-505. [all data]

Andon R.J.L., 1975
Andon R.J.L., Thermodynamic properties of organic oxygen compounds. 40. Heat capacity and entropy of six ethers, J. Chem. Thermodyn., 1975, 7, 593-606. [all data]

Andon and Martin, 1975
Andon, R.J.L.; Martin, J.F., Thermodynamic properties of organic oxygen compounds. 40. Heat capacity and entropy of six ethers, J. Chem. Thermodynam., 1975, 7, 593-606. [all data]

Fenwick, Harrop, et al., 1975, 2
Fenwick, J.O.; Harrop, D.; Head, A.J., Thermodynamic properties of organic oxygen compounds. 41. Enthalpies of formation of eight ethers, J. Chem. Thermodynam., 1975, 7, 944-954. [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]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

Spurr and Zeitlin, 1950
Spurr, R.A.; Zeitlin, H., The dipole moments of some aliphatic ethers, J. Am. Chem. Soc., 1950, 72, 4832. [all data]

Wilhoit, Chao, et al., 1985
Wilhoit, R.C.; Chao, J.; Hall, K.R., Thermodynamic Properties of Key Organic Compounds in the Carbon Range C1 to C4. Part 1. Properties of Condensed Phases, J. Phys. Chem. Ref. Data, 1985, 14, 1. [all data]

Andon and Martin, 1975, 2
Andon, R.J.L.; Martin, J.F., Thermodynamic Properties of Organic Oxygen Compounds 40. Heat Capacity and Entropy of Six Ethers, J. Chem. Thermodyn., 1975, 7, 593. [all data]

Ambrose, Broderick, et al., 1974
Ambrose, D.; Broderick, B.E.; Townsend, R., The Critical Temperatures and Pressures of Thirty Organic Compounds, J. Appl. Chem. Biotechnol., 1974, 24, 359. [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]

Ambrose, Ellender, et al., 1976
Ambrose, D.; Ellender, J.H.; Sprake, C.H.S.; Townsend, R., Thermodynamic properties of organic oxygen compounds XLIII. Vapour pressures of some ethers, The Journal of Chemical Thermodynamics, 1976, 8, 2, 165-178, https://doi.org/10.1016/0021-9614(76)90090-2 . [all data]

Bingham, 1910
Bingham, E.C., Am. Chem. J., 1910, 43, 287. [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]

Bingham, 1910, 2
Bingham, E.C., Viscosity and Fluidity, Am. Chem. J., 1910, 43, 287-309. [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]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Bowen and Maccoll, 1984
Bowen, R.D.; Maccoll, A., Low energy, low temperature mass spectra, Org. Mass Spectrom., 1984, 19, 379. [all data]

Bachiri, Mouvier, et al., 1980
Bachiri, M.; Mouvier, G.; Carlier, P.; Dubois, J.E., Evaluation quantitative des effets de substituants sur les premiers potentiels d'ionisation de composes monofonctionnels aliphatiques, J. Chim. Phys., 1980, 77, 899. [all data]

Notes

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• Symbols used in this document:
  

  Cp,liquid	Constant pressure heat capacity of liquid
  Pc	Critical pressure
  S°gas	Entropy of gas at standard conditions
  S°liquid	Entropy of liquid at standard conditions
  Tboil	Boiling point
  Tc	Critical temperature
  Ttriple	Triple point temperature
  ΔcH°gas	Enthalpy of combustion of gas at standard conditions
  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
  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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