Benzoic acid, 4-methyl-, methyl ester
- Formula: C9H10O2
- Molecular weight: 150.1745
- IUPAC Standard InChIKey: QSSJZLPUHJDYKF-UHFFFAOYSA-N
- CAS Registry Number: 99-75-2
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: p-Toluic acid, methyl ester; p-Carbomethoxytoluene; Methyl p-methylbenzoate; Methyl p-toluate; Methyl 4-methylbenzoate; Methyl 4-toluate; 4-Methylbenzoic acid, methyl ester; Methyl ester of 4-methylbenzoic acid; p-Toluylic acid, methyl ester; 4-(Methoxycarbonyl)toluene; Methyl p-toluenecarboxylate; NSC 24761; p-(Methoxycarbonyl)toluene
- 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.
Gas phase thermochemistry data
Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -312.6 ± 6.7 | kJ/mol | Cm | Guthrie, Pike, et al., 1992 | Hydrolysis |
Phase change data
Go To: Top, Gas phase thermochemistry data, Mass spectrum (electron ionization), Gas Chromatography, 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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔsubH° | 83.3 ± 0.3 | kJ/mol | C | Maksimuk, Kabo, et al., 1998 | AC |
ΔsubH° | 80.6 ± 6.3 | kJ/mol | E | Guthrie, Pike, et al., 1992 | Hydrolysis; ALS |
ΔsubH° | 80.7 | kJ/mol | N/A | Guthrie, Pike, et al., 1992 | DRB |
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
376.7 | 0.020 | Aldrich Chemical Company Inc., 1990 | BS |
Enthalpy of sublimation
ΔsubH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
51.6 | 418. | Semeniuk and Wilczura-Wachnik, 1998 | Based on data from 403. to 493. K.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
20.78 | 306.5 | AC | Blokhin, Paulechka, et al., 2002 | Based on data from 5. to 320. K.; AC |
20.77 | 306.5 | AC | Maksimuk, Kabo, et al., 1998 | AC |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, Phase change data, Gas Chromatography, 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 | Japan AIST/NIMC Database- Spectrum MS-NW- 688 |
NIST MS number | 229477 |
Gas Chromatography
Go To: Top, Gas phase thermochemistry data, 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 compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 1215. | Rostad and Pereira, 1986 | 30. m/0.26 mm/0.25 μm, He, 50. C @ 4. min, 6. K/min, 300. C @ 20. min |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | 5 % Phenyl methyl siloxane | 1215.6 | Zaikin, 2003 | Column length: 30. m; Column diameter: 0.19 mm; Program: 50 C to 120 C at 5 C/min; 120 C to 290 C at 12 C/min |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SE-30 | 1194. | Vinogradov, 2004 | Program: not specified |
Capillary | SE-30 | 1199. | Vinogradov, 2004 | Program: not specified |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 1725. | Vinogradov, 2004 | Program: not specified |
Capillary | Carbowax 20M | 1755. | Vinogradov, 2004 | Program: not specified |
Lee's RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 205.66 | Rostad and Pereira, 1986 | 30. m/0.26 mm/0.25 μm, He, 50. C @ 4. min, 6. K/min, 300. C @ 20. min |
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.
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]
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]
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Semeniuk and Wilczura-Wachnik, 1998
Semeniuk, Bazyli; Wilczura-Wachnik, Hanna,
Vapour--liquid equilibria in the binary and ternary mixtures of methyl benzoate, methyl p-toluate and dimethyl terephthalate,
Fluid Phase Equilibria, 1998, 152, 2, 337-345, https://doi.org/10.1016/S0378-3812(98)00205-2
. [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]
Rostad and Pereira, 1986
Rostad, C.E.; Pereira, W.E.,
Kovats and Lee retention indices determined by gas chromatography/mass spectrometry for organic compounds of environmental interest,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1986, 9, 6, 328-334, https://doi.org/10.1002/jhrc.1240090603
. [all data]
Zaikin, 2003
Zaikin, V.G.,
Personal Communication: Retention indices measured during the period 2001 to 2003, 2003. [all data]
Vinogradov, 2004
Vinogradov, B.A.,
Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]
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 ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfusH Enthalpy of fusion ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - 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.