Benzoic acid, 4-methoxy-, methyl ester

• Formula: C₉H₁₀O₃
• Molecular weight: 166.1739
• IUPAC Standard InChI: InChI=1S/C9H10O3/c1-11-8-5-3-7(4-6-8)9(10)12-2/h3-6H,1-2H3 Copy

  
• IUPAC Standard InChIKey: DDIZAANNODHTRB-UHFFFAOYSA-N Copy
• CAS Registry Number: 121-98-2
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Other names: p-Anisic acid, methyl ester; p-Methoxybenzoic acid methyl ester; Methyl p-anisate; Methyl p-methoxybenzoate; Methyl 4-methoxybenzoate; 4-Methoxybenzoic acid methyl ester; Benzoic acid, p-methoxy-, methyl ester; Methyl ester of p-Methoxybenzoic acid; NSC 7324; Methyl anisate; 4-methoxy methylbenzoate
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• Information on this page:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
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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

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 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
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

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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

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, 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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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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References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics 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.

Guthrie, Pike, et al., 1992
Guthrie, J.P.; Pike, D.C.; Lee, Y.-C., Equilibrium constants and heats of formation of methyl esters and N,N-dimethyl amides of substituted benzoic acids, Can. J. Chem., 1992, 70, 1671-1683. [all data]

Aldrich Chemical Company Inc., 1990
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Weast and Grasselli, 1989
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Scholz and Brunner, 1985
Scholz, Andreas G.R.; Brunner, Erwin, Isobaric vapor-liquid equilibria of the binary systems consisting of anisaldehyde, methyl anisate, and anisyl alcohol at 2 kPa, J. Chem. Eng. Data, 1985, 30, 1, 72-74, https://doi.org/10.1021/je00039a024 . [all data]

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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]

Behan, Johnstone, et al., 1976
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Foffani, Pignataro, et al., 1964
Foffani, A.; Pignataro, S.; Cantone, B.; Grasso, F., Ionization potentials and substituent effects for aromatic carbonyl compounds, Z. Physik. Chem. (Frankfurt), 1964, 42, 221. [all data]

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Fedoreev, S.A.; Maksimov, O.B., The study of the composition of aromatic esters by gas-liquid chromatography, Solid Fuel Chem. (Engl. Transl.), 1977, 17-22. [all data]

Wong and Teng, 1994
Wong, K.C.; Teng, Y.E., Volatile Components of Mimusops elengi L. Flowers, J. Essent. Oil Res., 1994, 6, 5, 453-458, https://doi.org/10.1080/10412905.1994.9698425 . [all data]

Todua, 2011
Todua, N.G., Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2011. [all data]

Alves, Pinto, et al., 2005
Alves, R.J.V.; Pinto, A.C.; da Costa, A.V.M.; Rezende, C.M., Zizyphus mauritiana Lam. (Rhamnaceae) and the chemical composition of its floral fecal odor, J. Braz. Chem. Soc., 2005, 16, 3B, 654-656, https://doi.org/10.1590/S0103-50532005000400027 . [all data]

Bader, Flamini, et al., 2003
Bader, A.; Flamini, G.; Cioni, P.L.; Morelli, I., Essential oil composition of Achillea santolina L. and Achillea biebersteinii Afan. collected in Jordan, Flavour Fragr. J., 2003, 18, 1, 36-38, https://doi.org/10.1002/ffj.1147 . [all data]

Stashenko, Prada, et al., 1996
Stashenko, E.E.; Prada, N.Q.; Martínez, J.R., HRGC/FID/NP and HRGC/MSD study of Colombian Ylang-Ylang (Cananga odorata) oils obtained by different extraction techniques, J. Hi. Res. Chromatogr., 1996, 19, 6, 353-358, https://doi.org/10.1002/jhrc.1240190609 . [all data]

Peng, Ding, et al., 1988
Peng, C.T.; Ding, S.F.; Hua, R.L.; Yang, Z.C., Prediction of Retention Indexes I. Structure-Retention Index Relationship on Apolar Columns, J. Chromatogr., 1988, 436, 137-172, https://doi.org/10.1016/S0021-9673(00)94575-8 . [all data]

Nawrath, Mgode, et al., 2012
Nawrath, T.; Mgode, G.F.; Weetjens, B.; Kaufmann, S.H.E.; Schulz, S., The volatiles of pathogenic and nonpathogenic mycobacteria aand related bacteria, Beilstein J. Org. Chem., 2012, 8, 290-297, https://doi.org/10.3762/bjoc.8.31 . [all data]

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Tsuge, S.; Ohtan, H.; Watanabe, C., Pyrolysis - GC/MS Data Book of Synthetic Polymers, Elsevier, 2011, 420. [all data]

Bertrand, Comte, et al., 2006
Bertrand, C.; Comte, G.; Piola, F., Solid-phase microextraction of volatile compounds from flowers of two Brunfelsia species, Biochem. Syst. Ecol., 2006, 34, 5, 371-375, https://doi.org/10.1016/j.bse.2005.12.005 . [all data]

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Pino, J.; Sauri-Duch, E.; Marbot, R., Changes in volatile compounds of Habanero chile pepper (Capsicum chinense Jack. cv. Habanero) at two ripening stages, Food Chem., 2006, 94, 3, 394-398, https://doi.org/10.1016/j.foodchem.2004.11.040 . [all data]

Park, Lee, et al., 2004
Park, B.-S.; Lee, K.-G.; Takeoka, G.R., Comparison of three sample preparation methods on the recovery of volatiles from taheebo (Tabebuia impetiginosa Martius ex DC), Flavour Fragr. J., 2004, 19, 4, 287-292, https://doi.org/10.1002/ffj.1345 . [all data]

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Merle, H.; Blázquez, M.A.; Boira, H., Chemical composition of the essential oil of Eriobotrya japonica (Thunb.) Lindl. flowers in the western Mediterranean area in International Symposium on Loquat, April 11-13, 2002 (CIHEAM-IAMZ, 2003, p. 191-193), Llácer,G.; Badenes,M.L., ed(s)., Centre International de Hautes Etudes Agronomiques Mediterranean, Valencia, Spain, 2002, 191-193. [all data]

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Binder and Flath, 1989
Binder, R.G.; Flath, R.A., Volatile components of pineapple guava, J. Agric. Food Chem., 1989, 37, 3, 734-736, https://doi.org/10.1021/jf00087a034 . [all data]

Flath, Mon, et al., 1983
Flath, R.A.; Mon, T.R.; Lorenz, G.; Whitten, C.J.; Mackley, J.W., Volatile components of Acacia sp. blossoms, J. Agric. Food Chem., 1983, 31, 6, 1167-1170, https://doi.org/10.1021/jf00120a008 . [all data]

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Spiteller, M.; Spiteller, G., Trennung und charakterisierung saurer harnbest and- teile, J. Chromatogr., 1979, 164, 3, 253-317, https://doi.org/10.1016/S0378-4347(00)81232-3 . [all data]

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Rapior, S.; Breheret, S.; Talou T.; Pelissier, Y.; Bessiere, J.-M., The anise-like odor of Clitocybe odora, Lentinellus cochleatus and Agaricus essettei, Mycologia, 2002, 94, 3, 373-376, https://doi.org/10.2307/3761770 . [all data]

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Umano, Hagi, et al., 2000
Umano, K.; Hagi, Y.; Nakahara, K.; Shoji, A.; Shibamoto, T., Volatile chemicals identified in extracts from leaves of Japanese mugwort (Artemisia princeps Pamp.), J. Agric. Food Chem., 2000, 48, 8, 3463-3469, https://doi.org/10.1021/jf0001738 . [all data]

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Peng, C.T.; Yang, Z.C.; Ding, S.F., Prediction of rentention idexes. II. Structure-retention index relationship on polar columns, J. Chromatogr., 1991, 586, 1, 85-112, https://doi.org/10.1016/0021-9673(91)80028-F . [all data]

Notes

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

• Symbols used in this document:
  

  Tboil	Boiling point
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔfH°solid	Enthalpy of formation of solid at standard conditions
  ΔsubH°	Enthalpy of sublimation at standard conditions
  ΔvapH	Enthalpy of vaporization

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