Benzoic acid, methyl ester
- Formula: C8H8O2
- Molecular weight: 136.1479
- IUPAC Standard InChIKey: QPJVMBTYPHYUOC-UHFFFAOYSA-N
- CAS Registry Number: 93-58-3
- 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 benzoate; Clorius; Methyl benzenecarboxylate; Niobe oil; Oil of Niobe; Essence of niobe; Methylester kyseliny benzoove; Oxidate le; UN 2938; Methyl ester of benzoic acid; Oniobe oil; NSC 9394
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Condensed phase thermochemistry data
Go To: Top, Phase change data, IR Spectrum, 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -77.51 ± 0.72 | kcal/mol | Eqk | Guthrie and Cullimore, 1980 | ALS |
ΔfH°liquid | -82.11 | kcal/mol | Ccr | Hall and Baldt, 1971 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -943.57 ± 0.57 | kcal/mol | Ccr | Hall and Baldt, 1971 | Corresponding ΔfHºliquid = -82.10 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
52.89 | 298.15 | Fuchs, 1979 | DH |
51.74 | 297. | Hall and Baldt, 1971 | DH |
Phase change data
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, 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
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 472.4 ± 0.8 | K | AVG | N/A | Average of 9 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 260.8 | K | N/A | Buckingham and Donaghy, 1982 | BS |
Tfus | 260.7 | K | N/A | Dozen, Fujishima, et al., 1978 | Uncertainty assigned by TRC = 0.2 K; TRC |
Tfus | 260.8 | K | N/A | Dreisbach, 1955 | Uncertainty assigned by TRC = 0.02 K; TRC |
Tfus | 260.94 | K | N/A | Dreisbach and Martin, 1949 | Uncertainty assigned by TRC = 0.05 K; TRC |
Tfus | 260.75 | K | N/A | Timmermans and Hennaut-Roland, 1935 | Uncertainty assigned by TRC = 0.3 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 12. ± 2. | kcal/mol | AVG | N/A | Average of 9 values; Individual data points |
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference | Comment |
---|---|---|---|
370.2 | 0.032 | Weast and Grasselli, 1989 | BS |
369. to 371. | 0.032 | Buckingham and Donaghy, 1982 | BS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
12.2 ± 0.05 | 360. | EB | Steele, Chirico, et al., 2002 | Based on data from 358. to 517. K.; AC |
11.6 ± 0.05 | 400. | EB | Steele, Chirico, et al., 2002 | Based on data from 358. to 517. K.; AC |
10.9 ± 0.05 | 440. | EB | Steele, Chirico, et al., 2002 | Based on data from 358. to 517. K.; AC |
10.3 ± 0.1 | 480. | EB | Steele, Chirico, et al., 2002 | Based on data from 358. to 517. K.; AC |
13.7 ± 0.02 | 303. | C | Maksimuk, Kabo, et al., 1998 | AC |
12.1 | 379. | BG | Katayama, 1988 | Based on data from 334. to 428. K.; AC |
11.5 | 410. | BG | Katayama, 1988 | Based on data from 334. to 428. K.; AC |
11.9 | 388. | A | Stephenson and Malanowski, 1987 | Based on data from 373. to 533. K.; AC |
12.6 | 363. | BG | Baldt and Hall, 1971 | Based on data from 341. to 433. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
384.03 to 472.3 | 1.94803 | 474.908 | -232.81 | Dreisbach and Shrader, 1949 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
3.54 | 260.8 | AC | Blokhin, Paulechka, et al., 2002 | Based on data from 5. to 320. K.; AC |
3.544 | 260.8 | N/A | Maksimuk, Kabo, et al., 1998 | AC |
3.32 | 261. | N/A | Dozen, Fujishima, et al., 1978, 2 | AC |
IR Spectrum
Go To: Top, Condensed phase thermochemistry data, Phase change data, References, Notes
Data compiled by: Coblentz Society, Inc.
- Not specified, most likely a prism, grating, or hybrid spectrometer.; (NO SPECTRUM, ONLY SCANNED IMAGE IS AVAILABLE)
- SOLUTION (10% IN CCl4 FOR 3800-1350, 10% IN CS2 FOR 1350-450 CM-1); DOW KBr FOREPRISM-GRATING; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm-1 resolution
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Guthrie and Cullimore, 1980
Guthrie, J.P.; Cullimore, P.A.,
Effect of the acyl substituent on the equilibrium constant for hydration of esters,
Can. J. Chem., 1980, 58, 1281-1294. [all data]
Hall and Baldt, 1971
Hall, H.K., Jr.; Baldt, J.H.,
Thermochemistry of strained-ring bridgehead nitriles and esters,
J. Am. Chem. Soc., 1971, 93, 140-145. [all data]
Fuchs, 1979
Fuchs, R.,
Heat capacities of some liquid aliphatic, alicyclic, and aromatic esters at 298.15 K,
J. Chem. Thermodyn., 1979, 11, 959-961. [all data]
Buckingham and Donaghy, 1982
Buckingham, J.; Donaghy, S.M.,
Dictionary of Organic Compounds: Fifth Edition, Chapman and Hall, New York, 1982, 1. [all data]
Dozen, Fujishima, et al., 1978
Dozen, Y.; Fujishima, S.; Shingu, H.,
Structures and fusion parameters of methoxycarbonyl-benzenes and -naphthalenes,
Thermochim. Acta, 1978, 25, 2, 209, https://doi.org/10.1016/0040-6031(78)85008-4
. [all data]
Dreisbach, 1955
Dreisbach, R.R.,
Physical Properties of Chemical Compounds, Advances in Chemistry Series No. 15, Am. Chem. Soc.: Washington, D. C., 1955. [all data]
Dreisbach and Martin, 1949
Dreisbach, R.R.; Martin, R.A.,
Physical Data on Some Organic Compounds,
Ind. Eng. Chem., 1949, 41, 2875-8. [all data]
Timmermans and Hennaut-Roland, 1935
Timmermans, J.; Hennaut-Roland, M.,
Physical constants of 20 organic compounds. VII. Supplement,
J. Chim. Phys. Phys.-Chim. Biol., 1935, 32, 589. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Steele, Chirico, et al., 2002
Steele, W.V.; Chirico, R.D.; Cowell, A.B.; Knipmeyer, S.E.; Nguyen, A.,
Thermodynamic Properties and Ideal-Gas Enthalpies of Formation for Methyl Benzoate, Ethyl Benzoate, ( R )-(+)-Limonene, tert -Amyl Methyl Ether, trans -Crotonaldehyde, and Diethylene Glycol,
J. Chem. Eng. Data, 2002, 47, 4, 667-688, https://doi.org/10.1021/je0100847
. [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]
Katayama, 1988
Katayama, Hirotake,
Vapor pressures of methyl, ethyl, n-propyl, isobutyl, and n-butyl benzoates at reduced pressures,
J. Chem. Eng. Data, 1988, 33, 2, 75-77, https://doi.org/10.1021/je00052a002
. [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]
Baldt and Hall, 1971
Baldt, J.H.; Hall, H.K.K., Jr.,
Thermochemistry of strained-ring bridgehead nitriles and esters,
J. Am. Chem. Soc., 1971, 93, 140-145. [all data]
Dreisbach and Shrader, 1949
Dreisbach, R.R.; Shrader, S.A.,
Vapor Pressure--Temperature Data on Some Organic Compounds,
Ind. Eng. Chem., 1949, 41, 12, 2879-2880, https://doi.org/10.1021/ie50480a054
. [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]
Dozen, Fujishima, et al., 1978, 2
Dozen, Yasuhiko; Fujishima, Shizu; Shingu, Haruo,
Structures and fusion parameters of methoxycarbonyl-benzenes and -naphthalenes,
Thermochimica Acta, 1978, 25, 2, 209-216, https://doi.org/10.1016/0040-6031(78)85008-4
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Tboil Boiling point Tfus Fusion (melting) point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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