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Methyl propyl ether

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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

Quantity Value Units Method Reference Comment
Deltafgas-238.02 ± 0.85kJ/molCcbFenwick, Harrop, et al., 1975ALS
Deltafgas-237.7 ± 1.1kJ/molCmPilcher, Pell, et al., 1964ALS
Quantity Value Units Method Reference Comment
Deltacgas-2765.5 ± 1.0kJ/molCmPilcher, Pell, et al., 1964Corresponding «DELTA»fgas = -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
Deltafliquid-265.96 ± 0.84kJ/molCcbFenwick, Harrop, et al., 1975ALS
Quantity Value Units Method Reference Comment
Deltacliquid-2737.23kJ/molCcbFenwick, Harrop, et al., 1975Corresponding «DELTA»fliquid = -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

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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, Kenneth Kroenlein 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
Deltavap27.7 ± 0.4kJ/molAVGN/AAverage of 6 values; Individual data points

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
26.75312.2N/AMajer and Svoboda, 1985 
27.2340.AStephenson and Malanowski, 1987Based on data from 325. - 407. K.; AC
26.7416.AStephenson and Malanowski, 1987Based on data from 401. - 476. K.; AC
30.7288.AStephenson and Malanowski, 1987Based on data from 273. - 321. K.; AC
29.7268.AStephenson and Malanowski, 1987Based on data from 253. - 328. K. See also Ambrose, Ellender, et al., 1976.; AC
29.7288.N/ABingham, 1910Based on data from 273. - 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) beta Tc (K) Reference Comment
298. - 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 - 312.493.6875903.588-66.691Bingham, 1910, 2Coefficents calculated by NIST from author's data.

Enthalpy of fusion

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

Entropy of fusion

DeltafusS (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:


Henry's Law 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: Rolf Sander

Henry's Law constant (water solution)

kH(T) = H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
H = Henry's law constant for solubility in water at 298.15 K (mol/kg*bar)
d(ln(kH))/d(1/T) = Temperature dependence constant (K)

H (mol/kg*bar) d(ln(kH))/d(1/T) (K) Method Reference
0.68 VN/A

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Henry's Law data, Mass spectrum (electron ionization), Gas Chromatography, NIST Free Links, References, Notes

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

Quantity Value Units Method Reference Comment
Proton affinity (review)814.9kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity785.7kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
9.41 ± 0.07EIBowen and Maccoll, 1984LBLHLM
9.73PEBachiri, Mouvier, et al., 1980Vertical value; LLK

Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Henry's Law data, Gas phase ion energetics data, Gas Chromatography, NIST Free Links, 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

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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

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


Gas Chromatography

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Henry's Law data, Gas phase ion energetics data, Mass spectrum (electron ionization), NIST Free Links, 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

Kovats' RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
PackedApiezon L120.497.Bogoslovsky, Anvaer, et al., 1978Celite 545
PackedApiezon L160.498.Bogoslovsky, Anvaer, et al., 1978Celite 545
PackedApiezon M130.499.Golovnya and Garbuzov, 1974N2, Chromosorb W; Column length: 2.1 m

Normal alkane RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillarySE-30512.Vinogradov, 2004Program: not specified

Normal alkane RI, polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryCarbowax 20M644.Vinogradov, 2004Program: not specified

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Henry's Law data, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, NIST Free Links, 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]

Bogoslovsky, Anvaer, et al., 1978
Bogoslovsky, Yu.N.; Anvaer, B.I.; Vigdergauz, M.S., Chromatographic constants in gas chromatography (in Russian), Standards Publ. House, Moscow, 1978, 192. [all data]

Golovnya and Garbuzov, 1974
Golovnya, R.V.; Garbuzov, V.G., Effect of heteroatom in aliphatic sulfur- and oxygen-containing compounds on the values of the retention indices in gas chromatography, Izv. Akad. Nauk SSSR Ser. Khim., 1974, 7, 1519-1521. [all data]

Vinogradov, 2004
Vinogradov, B.A., Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Henry's Law data, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, NIST Free Links, References