Propanoic acid, 2-methyl-, 2-methylpropyl ester

• Formula: C₈H₁₆O₂
• Molecular weight: 144.2114
• IUPAC Standard InChI: InChI=1S/C8H16O2/c1-6(2)5-10-8(9)7(3)4/h6-7H,5H2,1-4H3 Copy

  
• IUPAC Standard InChIKey: RXGUIWHIADMCFC-UHFFFAOYSA-N Copy
• CAS Registry Number: 97-85-8
• 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: Isobutyric acid, isobutyl ester; Isobutyl isobutyrate; 2-Methylpropyl isobutyrate; 2-Methylpropyl 2-methylpropanoate; 2-Methylpropyl 2-methylpropionate; Isobutyl isobutanoate; Isobutyl 2-methylpropanoate; Isobutylester kyseliny isomaselne; UN 2528; Isobutyl ester of 2-methylpropanoic acid; NSC 6538
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• Information on this page:
  • Gas phase thermochemistry data
  • Phase change data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • IR Spectrum
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• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

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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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Enthalpy of vaporization

Antoine Equation Parameters

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

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Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

Gas Chromatography

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, non-polar column, isothermal

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Kovats' RI, non-polar column, temperature ramp

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Kovats' RI, non-polar column, custom temperature program

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Kovats' RI, polar column, isothermal

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Kovats' RI, polar column, temperature ramp

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Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Van Den Dool and Kratz RI, non-polar column, custom temperature program

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Van Den Dool and Kratz RI, polar column, temperature ramp

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Van Den Dool and Kratz RI, polar column, custom temperature program

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Normal alkane RI, non-polar column, isothermal

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Normal alkane RI, non-polar column, temperature ramp

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

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Normal alkane RI, polar column, isothermal

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Normal alkane RI, polar column, temperature ramp

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Normal alkane RI, polar column, custom temperature program

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References

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

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

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Cavalli, Fernandez, et al., 2003
Cavalli, J.-F.; Fernandez, X.; Lizzani-Cuvelier, L.; Loiseau, A.-M., Comparison of static headspace, headspace solid phase microextraction, headspace sorptive extraction, and direct thermal desorption techniques on chemical composition of French olive oils, J. Agric. Food Chem., 2003, 51, 26, 7709-7716, https://doi.org/10.1021/jf034834n . [all data]

Censullo, Jones, et al., 2003
Censullo, A.C.; Jones, D.R.; Wills, M.T., Speciation of the volatile organic compounds (VOCs) in solventborne aerosol coatings by solid phase microextraction-gas chromatography, J. Coat. Technol., 2003, 75, 936, 47-53, https://doi.org/10.1007/BF02697922 . [all data]

van den Dool and Kratz, 1963
van den Dool, H.; Kratz, P. Dec., A generalization of the retention index system including linear temperature programmed gas-liquid partition chromatography, J. Chromatogr., 1963, 11, 463-471, https://doi.org/10.1016/S0021-9673(01)80947-X . [all data]

Andriamaharavo, 2014
Andriamaharavo, N.R., Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [all data]

Boulanger and Crouzet, 2000
Boulanger, R.; Crouzet, J., Free and bound flavour components of Amazonian fruits: 2. cupuacu volatile compounds, Flavour Fragr. J., 2000, 15, 4, 251-257, https://doi.org/10.1002/1099-1026(200007/08)15:4<251::AID-FFJ905>3.0.CO;2-2 . [all data]

Eri, Khoo, et al., 2000
Eri, S.; Khoo, B.K.; Lech, J.; Hartman, T.G., Direct thermal desorption-gas chromatography and gas chromatography-mass spectrometry profiling of hop (Humulus lupulus L.) essential oils in support of varietal characterization, J. Agric. Food Chem., 2000, 48, 4, 1140-1149, https://doi.org/10.1021/jf9911850 . [all data]

Kourkoutas, Elmore, et al., 2006
Kourkoutas, D.; Elmore, J.S.; Mottram, D.S., Comparison of the volatile compositions and flavour properties of cantaloupe, Galia and honeydew muskmelons, Food Chem., 2006, 97, 1, 95-102, https://doi.org/10.1016/j.foodchem.2005.03.026 . [all data]

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Chalchat, Figueredo, et al., 2010
Chalchat, J.-C.; Figueredo, G.; Ozcan, M.M.; Unver, A., Effect of hydrodistillation and microwave distillation extraction methods on chemical composition of essential oil of pickling herb and myrtle plants, South Western J. of Agriculture, 2010, 1, 2, 133-141. [all data]

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Audino, Alzogaray, et al., 2007
Audino, P.G.; Alzogaray, R.A.; Vassena, C.; Masuh, H.; Fontán, A.; Gatti, P.; Martínez, A.; Camps, F.; Cork, A.; Zerba, E., Volatile compounds secreted by Brindley's glands of adult Triatoma infestans: identification and biological activity of previously unidentified compounds, Journal of Vector Ecology, 2007, 32, 1, 75-82, https://doi.org/10.3376/1081-1710(2007)32[75:VCSBBO]2.0.CO;2 . [all data]

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Yadegarinia, D.; Gachkar, L.; Rezaei, M.B.; Taghizadeh, M.; Astaneh, S.A.; Rasooli, I., Biochemical activities of Iranian Mentha piperita L. and Myrtus communis L. essential oils, Phytochemistry, 2006, 67, 12, 1249-1255, https://doi.org/10.1016/j.phytochem.2006.04.025 . [all data]

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Notes

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

• Symbols used in this document:
  

  Tboil	Boiling point
  Tc	Critical temperature
  Tfus	Fusion (melting) point
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions

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