Isobutyl acetate

• Formula: C₆H₁₂O₂
• Molecular weight: 116.1583
• IUPAC Standard InChI: InChI=1S/C6H12O2/c1-5(2)4-8-6(3)7/h5H,4H2,1-3H3 Copy

  
• IUPAC Standard InChIKey: GJRQTCIYDGXPES-UHFFFAOYSA-N Copy
• CAS Registry Number: 110-19-0
• 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: Acetic acid, 2-methylpropyl ester; Acetic acid, isobutyl ester; β-Methylpropyl ethanoate; 2-Methylpropyl acetate; 2-Methyl-1-propyl acetate; Acetate d'isobutyle; Isobutyl ethanoate; 2-Methylpropyl ethanoate; Isobutylester kyseliny octove; UN 1213; 2-Methyl-1-propanol, acetate; i-Butyl acetate; NSC 8035; Isobutyl acetate fcc
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• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • Henry's Law data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Reaction thermochemistry data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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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

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:
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

Enthalpy of vaporization

Antoine Equation Parameters

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

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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)

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

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

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]

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]

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]

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

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• Symbols used in this document:
  

  Cp,liquid	Constant pressure heat capacity of liquid
  Pc	Critical pressure
  Tboil	Boiling point
  Tc	Critical temperature
  Tfus	Fusion (melting) point
  d(ln(kH))/d(1/T)	Temperature dependence parameter for Henry's Law constant
  k°H	Henry's Law constant at 298.15K
  ΔcH°liquid	Enthalpy of combustion of liquid at standard conditions
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions
  ρc	Critical density

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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