Benzoic acid, 3-methyl-, methyl ester
- Formula: C9H10O2
- Molecular weight: 150.1745
- IUPAC Standard InChIKey: CPXCDEMFNPKOEF-UHFFFAOYSA-N
- CAS Registry Number: 99-36-5
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: m-Toluic acid, methyl ester; Methyl m-methylbenzoate; Methyl m-toluate; Methyl 3-methylbenzoate; Methyl 3-toluate; 3-Methylbenzoic acid, methyl ester; meta-Toluic acid, methyl ester; m-Toluylic acid, methyl ester
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Phase change data
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), References, Notes
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
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
386.2 | 0.036 | Aldrich Chemical Company Inc., 1990 | BS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
60.3 ± 0.2 | 296. | C | Maksimuk, Kabo, et al., 1998 | AC |
54.8 | 374. | A | Stephenson and Malanowski, 1987 | Based on data from 359. to 500. K.; AC |
53.5 | 388. | N/A | Murogova, Tudorovskaya, et al., 1974 | AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
17.14 | 270.6 | AC | Blokhin, Paulechka, et al., 2002 | Based on data from 5. to 320. K.; AC |
21.15 | 269.9 | AC | Maksimuk, Kabo, et al., 1998 | AC |
Gas phase ion energetics data
Go To: Top, Phase change data, Mass spectrum (electron ionization), References, Notes
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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 857.7 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 826.8 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.5 | PE | Meeks, Wahlborg, et al., 1981 | LLK |
9.2 | PE | Meeks, Wahlborg, et al., 1981 | Vertical value; LLK |
Mass spectrum (electron ionization)
Go To: Top, Phase change 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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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 | Zaikin V.G., TIPS RAS, Moscow, Russia |
NIST MS number | 292352 |
References
Go To: Top, Phase change 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.
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Maksimuk, Kabo, et al., 1998
Maksimuk, Yury V.; Kabo, Gennady J.; Simirsky, Vladimir V.; Kozyro, Alexander A.; Sevruk, Victor M.,
Standard Enthalpies of Formation of Some Methyl Esters of Benzene Carboxylic Acids,
J. Chem. Eng. Data, 1998, 43, 3, 293-298, https://doi.org/10.1021/je970116j
. [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]
Murogova, Tudorovskaya, et al., 1974
Murogova, R.A.; Tudorovskaya, G.L.; Laufer, V.V.; Koxlova, V.D.; Seraphimov, L.A.,
Zh. Prikl. Khim. (S.-Peterburg), 1974, 47, 2024. [all data]
Blokhin, Paulechka, et al., 2002
Blokhin, A.V.; Paulechka, Y.U.; Kabo, G.J.; Kozyro, A.A.,
Thermodynamic properties of methyl esters of benzoic and toluic acids in the condensed state,
The Journal of Chemical Thermodynamics, 2002, 34, 1, 29-55, https://doi.org/10.1006/jcht.2001.0852
. [all data]
Hunter and Lias, 1998
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]
Meeks, Wahlborg, et al., 1981
Meeks, J.; Wahlborg, A.; McGlynn, S.P.,
Photoelectron spectroscopy of carbonyls: Benzoic acid and its derivatives,
J. Electron Spectrosc. Relat. Phenom., 1981, 22, 43. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), References
- Symbols used in this document:
Tboil Boiling point ΔfusH Enthalpy of fusion ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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