Methyl propionate

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Condensed phase thermochemistry data

Go To: Top, Phase change data, Henry's Law 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

Quantity Value Units Method Reference Comment
Δcliquid-536.9kcal/molCcbSchjanberg, 1935Corresponding Δfliquid = -112.6 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
40.920298.15Pintos, Bravo, et al., 1988DH
41.730301.45Zabransky, Hynek, et al., 1987T = 296 to 342 K. Unsmoothed experimental datum.; DH
41.286298.15Jimenez, Romani, et al., 1986DH
40.918298.15Baluja, Bravo, et al., 1985DH
42.04298.38Guseinov, Shubin, et al., 1984T = 205 to 348 K. Unsmoothed experimental datum.; DH
41.63298.15Fuchs, 1979DH

Phase change data

Go To: Top, Condensed phase thermochemistry data, Henry's Law 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
BS - Robert L. Brown and Stephen E. Stein
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Tboil353. ± 1.KAVGN/AAverage of 25 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus185.65KN/ATimmermans and Mattaar, 1921Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Tc531. ± 5.KAVGN/AAverage of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Pc39.52atmN/AYoung, 1910Uncertainty assigned by TRC = 0.99995 atm; TRC
Pc39.526atmN/AYoung and Thomas, 1893Uncertainty assigned by TRC = 0.39 atm; TRC
Pc39.88atmN/AHeilbron, 1891Uncertainty assigned by TRC = 0.99995 atm; TRC
Pc39.88atmN/ANadezhdin, 1887Uncertainty assigned by TRC = 0.99995 atm; TRC
Quantity Value Units Method Reference Comment
ρc3.54mol/lN/AYoung, 1910Uncertainty assigned by TRC = 0.11 mol/l; TRC
ρc3.545mol/lN/AYoung and Thomas, 1893Uncertainty assigned by TRC = 0.05 mol/l; TRC
ρc3.41mol/lN/AHeilbron, 1891Uncertainty assigned by TRC = 0.11 mol/l; TRC
ρc3.41mol/lN/ANadezhdin, 1887Uncertainty assigned by TRC = 0.11 mol/l; TRC
Quantity Value Units Method Reference Comment
Δvap8.592kcal/molN/AMajer and Svoboda, 1985 
Δvap8.2 ± 1.0kcal/molEGuthrie and Cullimore, 1980ALS
Δvap8.56 ± 0.02kcal/molCSunner, Svensson, et al., 1979ALS
Δvap7.72 ± 0.004kcal/molVMathews, 1926ALS

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Reference Comment
7.706352.9Majer and Svoboda, 1985 

Enthalpy of vaporization

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

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Temperature (K) A (kcal/mol) β Tc (K) Reference Comment
298. to 363.12.740.2857530.6Majer and Svoboda, 1985 

Antoine Equation Parameters

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

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Temperature (K) A B C Reference Comment
293.74 to 351.904.034151155.987-65.979Polák and Mertl, 1965Coefficents calculated by NIST from author's data.

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

Go To: Top, 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: 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
6.2 VN/A
5.7 MButtery, Ling, et al., 1969

Gas phase ion energetics data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Henry's Law data, 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
L - 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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to C4H8O2+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)10.15 ± 0.03eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)198.4kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity191.0kcal/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
10.15PITraeger, 1985LBLHLM
9.9 ± 0.2CEMSJalonen, Tedder, et al., 1980LLK
10.15EIHolmes and Lossing, 1980LLK
10.15 ± 0.03PIWatanabe, Nakayama, et al., 1962RDSH
10.30PEBenoit and Harrison, 1977Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C2H3O2+11.42 ± 0.05C2H5EIBlanchette, Holmes, et al., 1986LBLHLM
C2H3O2+11.9 ± 0.3C2H5CEMSJalonen, Tedder, et al., 1980LLK
C2H5+11.9 ± 0.3COOCH3CEMSJalonen, Tedder, et al., 1980LLK
C3H5O+10.78CH3OPITraeger, 1985LBLHLM
C3H5O+11.0 ± 0.1OCH3CEMSJalonen, Tedder, et al., 1980LLK

References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Henry's Law 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.

Schjanberg, 1935
Schjanberg, E., Die Verbrennungswarmen und die Refraktionsdaten einiger chlorsubstituierter Fettsauren und Ester., Z. Phys. Chem. Abt. A, 1935, 172, 197-233. [all data]

Pintos, Bravo, et al., 1988
Pintos, M.; Bravo, R.; Baluja, M.C.; Paz Andrade, M.I.; Roux-Desgranges, G.; Grolier, J.-P.E., Can. J. Chem., 1988, 1179. [all data]

Zabransky, Hynek, et al., 1987
Zabransky, M.; Hynek, V.; Finkeova-Hastabova, J.; Vesely, F., Heat capacities of six liquid esters as a function of temperature, Coll. Czech. Chem. Comm., 1987, 52, 251-256. [all data]

Jimenez, Romani, et al., 1986
Jimenez, E.; Romani, L.; Paz Andrade, M.I.; Roux-Desgranges, G.; Grolier, J.-P.E., Molar excess heat capacities and volumes for mixtures of alkanoates with cyclohexane at 25°C, J. Solution Chem., 1986, 15(11), 879-890. [all data]

Baluja, Bravo, et al., 1985
Baluja, M.C.; Bravo, R.; Pintos, M.; Paz Andrade, M.I.; Roux-Desgranges, G.; Grolier, J.-P.E., Unusual dependence on concentration of the excess heat capacities of ester solutions in alkanes, Calorim. Anal. Therm., 1985, 16, 138-144. [all data]

Guseinov, Shubin, et al., 1984
Guseinov, K.D.; Shubin, V.V.; Klimova, T.F., Study of the enthalpy of liquid propionate esters, Izv. Vyssh. Uchebn. Zaved, Neft. Gaz, 1984, 27(8), 54-57. [all data]

Fuchs, 1979
Fuchs, R., Heat capacities of some liquid aliphatic, alicyclic, and aromatic esters at 298.15 K, J. Chem. Thermodyn., 1979, 11, 959-961. [all data]

Timmermans and Mattaar, 1921
Timmermans, J.; Mattaar, J.F., Freezing points of orgainic substances VI. New experimental determinations., Bull. Soc. Chim. Belg., 1921, 30, 213. [all data]

Young, 1910
Young, S., The Internal Heat of Vaporization constants of thirty pure substances, Sci. Proc. R. Dublin Soc., 1910, 12, 374. [all data]

Young and Thomas, 1893
Young, S.; Thomas, G.L., The vapour pressures, molecular volumes, and critical constants of ten of the lower esters, J. Chem. Soc., 1893, 63, 1191. [all data]

Heilbron, 1891
Heilbron, E., Summary of the Critical Data Up To Now on Liquids., Z. Phys. Chem., Stoechiom. Verwandtschaftsl., 1891, 1, 601-13. [all data]

Nadezhdin, 1887
Nadezhdin, A., Rep. Phys., 1887, 23, 708. [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]

Guthrie and Cullimore, 1980
Guthrie, J.P.; Cullimore, P.A., Effect of the acyl substituent on the equilibrium constant for hydration of esters, Can. J. Chem., 1980, 58, 1281-1294. [all data]

Sunner, Svensson, et al., 1979
Sunner, S.; Svensson, Ch.; Zelepuga, A.S., Enthalpies of vaporization at 298.15 K for some 2-alkanones and methyl alkanoates, J. Chem. Thermodyn., 1979, 11, 491-495. [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]

Polák and Mertl, 1965
Polák, J.; Mertl, I., Saturated vapour pressure of methyl acetate, ethyl acetate, n-propyl acetate, methyl propionate, and ethyl propionate, Collect. Czech. Chem. Commun., 1965, 30, 10, 3526-3528, https://doi.org/10.1135/cccc19653526 . [all data]

Buttery, Ling, et al., 1969
Buttery, R.G.; Ling, L.C.; Guadagni, D.G., Volatilities Aldehydes, Ketones, and Esters in Dilute Water Solution, J. Agric. Food Chem., 1969, 17, 385-389. [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]

Traeger, 1985
Traeger, J.C., Heat of formation for the propanoyl cation by photoionization mass spectrometry, Org. Mass Spectrom., 1985, 20, 223. [all data]

Jalonen, Tedder, et al., 1980
Jalonen, J.; Tedder, J.M.; Nidaud, P.H., Charge-exchange mass spectra of ethyl acetate, methyl proprionate and propyl formate, J. Chem. Soc. Faraday Trans. 2, 1980, 76, 1450. [all data]

Holmes and Lossing, 1980
Holmes, J.L.; Lossing, F.P., Gas-phase heats of formation of keto and enol ions of carbonyl compounds., J. Am. Chem. Soc., 1980, 102, 1591. [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]

Benoit and Harrison, 1977
Benoit, F.M.; Harrison, A.G., Predictive value of proton affinity. Ionization energy correlations involving oxygenated molecules, J. Am. Chem. Soc., 1977, 99, 3980. [all data]

Blanchette, Holmes, et al., 1986
Blanchette, M.C.; Holmes, J.L.; Hop, C.E.C.A.; Lossing, F.P.; Postma, R.; Ruttink, P.J.A.; Terlouw, J.K., Theory and experiment in concert; the CH3O-C=O+ ion and its isomers, J. Am. Chem. Soc., 1986, 108, 7589. [all data]


Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, Henry's Law data, Gas phase ion energetics data, References