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
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
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 (atm) | Reference | Comment |
---|---|---|---|
386.2 | 0.036 | Aldrich Chemical Company Inc., 1990 | BS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
14.4 ± 0.05 | 296. | C | Maksimuk, Kabo, et al., 1998 | AC |
13.1 | 374. | A | Stephenson and Malanowski, 1987 | Based on data from 359. to 500. K.; AC |
12.8 | 388. | N/A | Murogova, Tudorovskaya, et al., 1974 | AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
4.097 | 270.6 | AC | Blokhin, Paulechka, et al., 2002 | Based on data from 5. to 320. K.; AC |
5.055 | 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) | 205.0 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 197.6 | kcal/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
Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.
Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
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
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.