Methyl propyl ether

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), 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
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Δfgas-238.02 ± 0.85kJ/molCcbFenwick, Harrop, et al., 1975ALS
Δfgas-237.7 ± 1.1kJ/molCmPilcher, Pell, et al., 1964ALS
Quantity Value Units Method Reference Comment
Δcgas-2765.5 ± 1.0kJ/molCmPilcher, Pell, et al., 1964Corresponding Δfgas = -237.7 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
gas352.0J/mol*KN/AAndon R.J.L., 1975GT

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

Quantity Value Units Method Reference Comment
Δfliquid-265.96 ± 0.84kJ/molCcbFenwick, Harrop, et al., 1975ALS
Quantity Value Units Method Reference Comment
Δcliquid-2737.23kJ/molCcbFenwick, Harrop, et al., 1975Corresponding Δfliquid = -265.96 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid262.9J/mol*KN/AAndon and Martin, 1975DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
165.4298.15Andon and Martin, 1975T = 12 to 350 K.; DH
165.3298.15Fenwick, Harrop, et al., 1975, 2DH

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Mass spectrum (electron ionization), 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
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

Quantity Value Units Method Reference Comment
Tboil311.7KN/AWeast and Grasselli, 1989BS
Tboil312.2KN/AMajer and Svoboda, 1985 
Tboil311.8KN/ASpurr and Zeitlin, 1950Uncertainty assigned by TRC = 1. K; TRC
Quantity Value Units Method Reference Comment
Ttriple133.97KN/AWilhoit, Chao, et al., 1985Uncertainty assigned by TRC = 0.05 K; TRC
Ttriple133.97KN/AAndon and Martin, 1975, 2Uncertainty assigned by TRC = 0.05 K; TRC
Quantity Value Units Method Reference Comment
Tc476.3KN/AMajer and Svoboda, 1985 
Tc476.25KN/AAmbrose, Broderick, et al., 1974Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Pc38.01barN/AAmbrose, Broderick, et al., 1974Uncertainty assigned by TRC = 0.04 bar; TRC
Quantity Value Units Method Reference Comment
Δvap27.7 ± 0.4kJ/molAVGN/AAverage of 6 values; Individual data points

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
26.75312.2N/AMajer and Svoboda, 1985 
27.2340.AStephenson and Malanowski, 1987Based on data from 325. to 407. K.; AC
26.7416.AStephenson and Malanowski, 1987Based on data from 401. to 476. K.; AC
30.7288.AStephenson and Malanowski, 1987Based on data from 273. to 321. K.; AC
29.7268.AStephenson and Malanowski, 1987Based on data from 253. to 328. K. See also Ambrose, Ellender, et al., 1976.; AC
29.7288.N/ABingham, 1910Based on data from 273. to 312. K. See also Boublik, Fried, et al., 1984.; AC

Enthalpy of vaporization

ΔvapH = A exp(-βTr) (1 − Tr)β
    ΔvapH = Enthalpy of vaporization (at saturation pressure) (kJ/mol)
    Tr = reduced temperature (T / Tc)

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Temperature (K) A (kJ/mol) β Tc (K) Reference Comment
298. to 328.43.380.281476.3Majer and Svoboda, 1985 

Antoine Equation Parameters

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

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Temperature (K) A B C Reference Comment
272.6 to 312.493.6875903.588-66.691Bingham, 1910, 2Coefficents calculated by NIST from author's data.

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
7.670133.97Andon and Martin, 1975DH
7.67134.Domalski and Hearing, 1996AC

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
57.25133.97Andon and Martin, 1975DH

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

View image of digitized spectrum (can be printed in landscape orientation).

Due to licensing restrictions, this spectrum cannot be downloaded.

Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Japan AIST/NIMC Database- Spectrum MS-NW-1331
NIST MS number 229505

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References

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

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]


Notes

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