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Isobutyl acetate

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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
Deltacliquid-3534.kJ/molCcbSchjanberg, 1935Corresponding «DELTA»fliquid = -541.8 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
240.2290.Kurnakov and Voskresenskaya, 1936DH

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:
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
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil390. ± 1.KAVGN/AAverage of 26 out of 27 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus176.05KN/AAnonymous, 1968TRC
Tfus176.1KN/AAnonymous, 1956Uncertainty assigned by TRC = 0.6 K; TRC
Tfus240.15KN/ATimmermans, 1952Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Tc560.8KN/AQuadri and Kudchadker, 1991Uncertainty assigned by TRC = 0.6 K; TRC
Tc561.5KN/ANadezhdin, 1887Uncertainty assigned by TRC = 2. K; TRC
Tc569.0KN/APawlewski, 1882Uncertainty assigned by TRC = 5. K; TRC
Quantity Value Units Method Reference Comment
Pc30.10barN/AQuadri and Kudchadker, 1991Uncertainty assigned by TRC = 0.20 bar; TRC
Pc31.80barN/ANadezhdin, 1887Uncertainty assigned by TRC = 0.6079 bar; TRC
Quantity Value Units Method Reference Comment
rhoc2.42mol/lN/ANadezhdin, 1887Uncertainty assigned by TRC = 0.07 mol/l; TRC
Quantity Value Units Method Reference Comment
Deltavap35.9 ± 0.04kJ/molVMathews, 1926ALS

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
39.9323.N/AMontón, Muñoz, et al., 2005Based on data from 308. - 391. K.; AC
39.2340.N/ABurguet, Montón, et al., 1996Based on data from 325. - 393. K.; AC
39.8267.AStephenson and Malanowski, 1987Based on data from 252. - 391. K. See also Stull, 1947.; AC

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
252.0 - 391.4.536761625.875-32.494Stull, 1947Coefficents 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:


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 by: 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

Ketene + 1-Propanol, 2-methyl- = Isobutyl acetate

By formula: C2H2O + C4H10O = C6H12O2

Quantity Value Units Method Reference Comment
Deltar-143.8kJ/molCmRice and Greenberg, 1934liquid phase

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
2.2 VN/A

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 compiled by: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV) Method Reference
9.97PIWatanabe, Nakayama, et al., 1962

Mass spectrum (electron ionization)

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction 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 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 NIST Mass Spectrometry Data Center
NIST MS number 352254

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References

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

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]

Kurnakov and Voskresenskaya, 1936
Kurnakov, N.S.; Voskresenskaya, N.K., Calorimetry of liquid binary systems, Izv. Akad. Nauk SSSR, Otdel. Mat. i Estestv. Nauk. Ser. Khim, 1936, 1936, 439-461. [all data]

Anonymous, 1968
Anonymous, X., Chemicals and Plastics Physical Properties, 1968, Union Carbide Corp., product bulletin, 1968. [all data]

Anonymous, 1956
Anonymous, R., , Physical Properties of Chemical Substances, Dow Chemical Company, 1956. [all data]

Timmermans, 1952
Timmermans, J., Freezing points of organic compounds. VVI New determinations., Bull. Soc. Chim. Belg., 1952, 61, 393. [all data]

Quadri and Kudchadker, 1991
Quadri, S.K.; Kudchadker, A.P., Measurement of the critical temperatures and critical pressures of some thermally stable or mildly unstable esters, ketones, and ethers, J. Chem. Thermodyn., 1991, 23, 129-34. [all data]

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

Pawlewski, 1882
Pawlewski, B., The critical temperatures of ester compounds, Ber. Dtsch. Chem. Ges., 1882, 15, 2460-4. [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]

Montón, Muñoz, et al., 2005
Montón, J.B.; Muñoz, R.; Burguet, M.C.; Torre, J. de la, Isobaric vapor--liquid equilibria for the binary systems isobutyl alcohol+isobutyl acetate and tert-butyl alcohol+tert-butyl acetate at 20 and 101.3kPa, Fluid Phase Equilibria, 2005, 227, 1, 19-25, https://doi.org/10.1016/j.fluid.2004.10.022 . [all data]

Burguet, Montón, et al., 1996
Burguet, M. Cruz; Montón, Juan B.; Muñoz, Rosa; Wisniak, Jaime; Segura, Hugo, Polyazeotropy in Associating Systems: The 2-Methylpropyl Ethanoate + Ethanoic Acid System, J. Chem. Eng. Data, 1996, 41, 5, 1191-1195, https://doi.org/10.1021/je960159k . [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]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

Rice and Greenberg, 1934
Rice, F.O.; Greenberg, J., Ketene. III. Heat of formation and heat of reaction with alcohols, J. Am. Chem. Soc., 1934, 38, 2268-2270. [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]


Notes

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