Benzoic acid, ethyl ester
- Formula: C9H10O2
- Molecular weight: 150.1745
- IUPAC Standard InChIKey: MTZQAGJQAFMTAQ-UHFFFAOYSA-N
- CAS Registry Number: 93-89-0
- 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: Ethyl benzenecarboxylate; Ethyl benzoate; Benzoic ether; Essence of niobe; Ethylester kyseliny benzoove; 2-methoxy-1-phenyl-ethanone
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Condensed phase thermochemistry data
Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible 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 by: Eugene S. Domalski and Elizabeth D. Hearing
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference |
---|---|---|
58.80 | 298.15 | Fuchs, 1979 |
67.59 | 290. | Kurnakov and Voskresenskaya, 1936 |
57.79 | 292.7 | Kolosovskii and Udovenko, 1934 |
57.79 | 292.7 | de Kolossowsky and Udowenko, 1933 |
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
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 485. ± 2. | K | AVG | N/A | Average of 10 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 239. ± 2. | K | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 14.6 ± 0.07 | kcal/mol | GS | Vasiltsova, Verevkin, et al., 2006 | Based on data from 283. to 332. K.; AC |
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference | Comment |
---|---|---|---|
360.2 | 0.013 | Weast and Grasselli, 1989 | BS |
360.3 | 0.013 | Buckingham and Donaghy, 1982 | BS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
12.5 ± 0.05 | 380. | EB | Steele, Chirico, et al., 2002 | Based on data from 369. to 531. K.; AC |
11.9 ± 0.05 | 420. | EB | Steele, Chirico, et al., 2002 | Based on data from 369. to 531. K.; AC |
11.2 ± 0.07 | 460. | EB | Steele, Chirico, et al., 2002 | Based on data from 369. to 531. K.; AC |
10.4 ± 0.1 | 500. | EB | Steele, Chirico, et al., 2002 | Based on data from 369. to 531. K.; AC |
13.6 | 356. | BG | Katayama, 1988 | Based on data from 344. to 440. K.; AC |
12.1 | 419. | BG | Katayama, 1988 | Based on data from 344. to 440. K.; AC |
13.4 | 303. | A | Stephenson and Malanowski, 1987 | Based on data from 288. to 333. K.; AC |
12.0 | 373. | A | Stephenson and Malanowski, 1987 | Based on data from 358. to 487. K.; AC |
12.4 | 332. | N/A | Stull, 1947 | Based on data from 317. to 486. 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 |
---|---|---|---|---|---|
317. to 486.6 | 4.75932 | 2139.509 | -37.032 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Reaction 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: Michael M. Meot-Ner (Mautner) and Sharon G. Lias
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: C3H9Si+ + C9H10O2 = (C3H9Si+ • C9H10O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 50.8 | kcal/mol | PHPMS | Wojtyniak and Stone, 1986 | gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 32.0 | cal/mol*K | N/A | Wojtyniak and Stone, 1986 | gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
35.9 | 468. | PHPMS | Wojtyniak and Stone, 1986 | gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated |
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 compiled by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.9 | PE | Meeks, Wahlborg, et al., 1981 | |
9.2 | PE | Meeks, Wahlborg, et al., 1981 | Vertical value |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C6H5+ | 14.5 ± 0.03 | ? | EI | Tajima, Azami, et al., 1977 | |
C7H5O+ | 10.8 ± 0.07 | OC2H5 | EI | Tajima, Azami, et al., 1977 |
IR Spectrum
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Data compiled by: Coblentz Society, Inc.
- LIQUID; Not specified, most likely a prism, grating, or hybrid spectrometer.; DIGITIZED BY NIST FROM HARD COPY; 4 cm-1 resolution
- SOLUTION (10% IN CCl4 FOR 3800-1300, 10% IN CS2 FOR 1300-650, 10% IN CCl4 FOR 650-230 CM-1) VERSUS SOLVENT; PERKIN-ELMER 521 (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
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
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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- 439 |
NIST MS number | 228444 |
UV/Visible spectrum
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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: Victor Talrose, Eugeny B. Stern, Antonina A. Goncharova, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina
Spectrum
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Additional Data
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Source | Ungnade and Lamb, 1952 |
---|---|
Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
Source reference | RAS UV No. 499 |
Instrument | Beckman DU |
Melting point | -34 |
Boiling point | 212 |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Kurnakov and Voskresenskaya, 1936
Kurnakov, N.S.; Voskresenskaya, N.K.,
Calorimetry of liquid binary systems, Izv. Akad. Nauk SSSR,
Otdel. Mat. i Estestv. Nauk. Ser. Khim, 1936, 1936, 439-461. [all data]
Kolosovskii and Udovenko, 1934
Kolosovskii, N.A.; Udovenko, W.W.,
Specific heat of liquids. II.,
Zhur. Obshchei Khim., 1934, 4, 1027-1033. [all data]
de Kolossowsky and Udowenko, 1933
de Kolossowsky, N.A.; Udowenko, W.W.,
Mesure des chaleurs specifique moleculaires de quelques liquides,
Compt. rend., 1933, 197, 519-520. [all data]
Vasiltsova, Verevkin, et al., 2006
Vasiltsova, Tatiana V.; Verevkin, Sergey P.; Bich, Eckard; Heintz, Andreas; Bogel-Lukasik, Rafal; Domanska, Urszula,
Thermodynamic Properties of Mixtures Containing Ionic Liquids. 7. Activity Coefficients of Aliphatic and Aromatic Esters and Benzylamine in 1-Methyl-3-ethylimidazolium Bis(trifluoromethylsulfonyl) Imide Using the Transpiration Method,
J. Chem. Eng. Data, 2006, 51, 1, 213-218, https://doi.org/10.1021/je050334+
. [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]
Buckingham and Donaghy, 1982
Buckingham, J.; Donaghy, S.M.,
Dictionary of Organic Compounds: Fifth Edition, Chapman and Hall, New York, 1982, 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]
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]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Wojtyniak and Stone, 1986
Wojtyniak, A.C.M.; Stone, A.J.,
A High-Pressure Mass Spectrometric Study of the Bonding of Trimethylsilylium to Oxygen and Aromatic Bases,
Can. J. Chem., 1986, 74, 59. [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]
Tajima, Azami, et al., 1977
Tajima, S.; Azami, T.; Tsuchiya, T.,
An investigation of the decomposition of the common intermediate ions produced by electron impact,
Org. Mass Spectrom., 1977, 12, 24. [all data]
Ungnade and Lamb, 1952
Ungnade, H.E.; Lamb, R.W.,
The absorption spectra of benzoic acid and esters,
J. Am. Chem. Soc., 1952, 74, 3789-3794. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, References
- Symbols used in this document:
AE Appearance energy Cp,liquid Constant pressure heat capacity of liquid T Temperature Tboil Boiling point Tfus Fusion (melting) point ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions 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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