Heptanoic acid, methyl ester

• Formula: C₈H₁₆O₂
• Molecular weight: 144.2114
• IUPAC Standard InChI: InChI=1S/C8H16O2/c1-3-4-5-6-7-8(9)10-2/h3-7H2,1-2H3 Copy

  
• IUPAC Standard InChIKey: XNCNNDVCAUWAIT-UHFFFAOYSA-N Copy
• CAS Registry Number: 106-73-0
• 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: Methyl enanthate; Methyl heptanoate; Methyl heptoate; Methyl n-heptanoate; Methyl n-heptylate; Methyl oenanthylate; Methyl ester of heptanoic acid
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• Information on this page:
  • Gas phase thermochemistry data
  • IR Spectrum
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Phase change data
  • Mass spectrum (electron ionization)
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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

IR Spectrum

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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

Gas Phase 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, 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, temperature ramp

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

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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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Lee's RI, non-polar column, temperature ramp

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References

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

Adriaanse, Dekker, et al., 1965
Adriaanse, N.; Dekker, H.; Coops, J., Heats of combustion of normal saturated fatty acids and their methyl esters, Rec. Trav. Chim. Pays/Bas, 1965, 84, 393-407. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Grigor'eva, Vasil'ev, et al., 1989
Grigor'eva, D.N.; Vasil'ev, A.V.; Golovnya, R.V., Variation in retention indices and equivalent chain lengths of homologous series of n-alkyl acetates, n-alkyl methyl ketones, and methyl esters of aliphatic carboxylic acids as a function of homolog number and analysis temperature, Zh. Anal. Khim., 1989, 44, 1, 68-73. [all data]

Haken and Korhonen, 1984
Haken, J.K.; Korhonen, I.O.O., Gas chromatography of homologous esters. XXV. Capillary column studies of monochlorinated C₅-C₁8 n-carboxylic esters, J. Chromatogr., 1984, 298, 89-100, https://doi.org/10.1016/S0021-9673(01)92697-4 . [all data]

Müller, Dietrich, et al., 1978
Müller, U.; Dietrich, P.; Prescher, D., Gas-chromatographische untersuchungen an perfluor-carbonverbindungen. I. Gas-chromatographische eigenschaften langkettiger perfluorcarbonsäureester, J. Chromatogr., 1978, 147, 31-40, https://doi.org/10.1016/S0021-9673(00)85114-6 . [all data]

Shashkova, Znamenskaia, et al., 1969
Shashkova, A.A.; Znamenskaia, A.P.; Pas'ko, L.Ya., Investigation of esters of odd series halohenated acids with Kovats indices, Gazovaya Khromatografiya, 1969, 9, 40-47. [all data]

Takeoka, Buttery, et al., 1992
Takeoka, G.R.; Buttery, R.G.; Flath, R.A., Volatile constituents of Asian pear (Pyrus serotina), J. Agric. Food Chem., 1992, 40, 10, 1925-1929, https://doi.org/10.1021/jf00022a040 . [all data]

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Morales, A.L.; Duque, C., Aroma constituents of the fruit of the moutain papaya (Carica pubescens) from Colombia, J. Agric. Food Chem., 1987, 35, 4, 538-540, https://doi.org/10.1021/jf00076a024 . [all data]

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Tressl, R.; Friese, L.; Fendesack, F.; Köppler, H., Studies of the volatile composition of hops during storage, J. Agric. Food Chem., 1978, 26, 6, 1426-1430, https://doi.org/10.1021/jf60220a036 . [all data]

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Golovnya, R.V.; Syomina, L.A.; Samusenko, A.L., Nonlinear variation of sorption parameters of n-alkane homologs in temperature-programmed gas chromatography (TPGC) and new equation for calculation of retention indices, J. Hi. Res. Chromatogr., 1997, 20, 11, 611-614, https://doi.org/10.1002/jhrc.1240201108 . [all data]

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Beaulieu and Grimm, 2001
Beaulieu, J.C.; Grimm, C.C., Identification of volatile compounds in cantaloupe at various developmental stages using solid phase microextraction, J. Agric. Food Chem., 2001, 49, 3, 1345-1352, https://doi.org/10.1021/jf0005768 . [all data]

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Peng, 2000
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Pinto, Guedes, et al., 2006
Pinto, A.B.; Guedes, C.M.; Moreira, R.F.A.; de Maria, C.A.B., Volatile constituents from headspace and aqueous solution of genipap (Genipa americana) fruit isolated by the solid-phase extraction method, Flavour Fragr. J., 2006, 21, 3, 488-491, https://doi.org/10.1002/ffj.1623 . [all data]

Sumitani, Suekane, et al., 1994
Sumitani, H.; Suekane, S.; Nakatani, A.; Tatsuka, K., Changes in composition of volatile compounds in high pressure treated peach, J. Agric. Food Chem., 1994, 42, 3, 785-790, https://doi.org/10.1021/jf00039a037 . [all data]

Bianchi, Careri, et al., 2007
Bianchi, F.; Careri, M.; Mangia, A.; Musci, M., Retention indices in the analysis of food aroma volatile compounds in temperature-programmed gas chromatography: Database creation and evaluation of precision and robustness, J. Sep. Sci., 2007, 39, 4, 563-572, https://doi.org/10.1002/jssc.200600393 . [all data]

Romeo, Ziino, et al., 2007
Romeo, V.; Ziino, M.; Giuffrrida, D.; Condurso, C.; Verzera, A., Flavour profile of capers (Capparis spinosa L.) from the Eolian Archipelago by HS-SPME/GC?MS, Food Chem., 2007, 101, 3, 1272-1278, https://doi.org/10.1016/j.foodchem.2005.12.029 . [all data]

Kaack, Christensen, et al., 2005
Kaack, K.; Christensen, L.P.; Hughes, M.; Eder, R., The relationship between sensory quality and volatile compounds in raw juice processed from elderberries ( Sambucus nigra L.), Eur. Food Res. Technol., 2005, 221, 3-4, 244-254, https://doi.org/10.1007/s00217-005-1141-4 . [all data]

Dib, Bendahou, et al., 2010
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Guy and Vernin, 1996
Guy, I.; Vernin, G., Minor compounds from Cistus ladaniferus L. essential oil from esterel. 2. Acids and phenols, J. Essent. Oil Res., 1996, 8, 4, 455-462, https://doi.org/10.1080/10412905.1996.9700666 . [all data]

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Habu, Flath, et al., 1985
Habu, T.; Flath, R.A.; Mon, T.R.; Morton, J.F., Volatile components of Rooibos tea (Aspalathus linearis), J. Agric. Food Chem., 1985, 33, 2, 249-254, https://doi.org/10.1021/jf00062a024 . [all data]

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Stern, D.J.; Flath, R.A.; Mon, T.R.; Teranishi, R.; Lundin, R.E.; Benson, M.E., Crude oleic acid volatiles, J. Agric. Food Chem., 1985, 33, 2, 180-184, https://doi.org/10.1021/jf00062a005 . [all data]

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Takeoka, Flath, et al., 1988
Takeoka, G.R.; Flath, R.A.; Güntert, M.; Jennings, W., Nectarine volatiles: vacuum steam distillation versus headspace sampling, J. Agric. Food Chem., 1988, 36, 3, 553-560, https://doi.org/10.1021/jf00081a037 . [all data]

Waggott and Davies, 1984
Waggott, A.; Davies, I.W., Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]

Suhardi, Suzuki, et al., 2002
Suhardi, S.; Suzuki, M.; Yoshida, K.; Muto, T.; Fujita, A.; Watanbe, N., Changes in the volatile compounds and in the chemical and physical properties of snake fruit (Salacca edulis Reinw) Cv. Pondoh during maturation, J. Agric. Food Chem., 2002, 50, 26, 7627-7633, https://doi.org/10.1021/jf020620e . [all data]

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Notes

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• Symbols used in this document:
  

  ΔfH°gas

  Enthalpy of formation of gas at standard conditions

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