2-Propenoic acid, methyl ester
- Formula: C4H6O2
- Molecular weight: 86.0892
- IUPAC Standard InChIKey: BAPJBEWLBFYGME-UHFFFAOYSA-N
- CAS Registry Number: 96-33-3
- 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: Acrylic acid methyl ester; Methoxycarbonylethylene; Methyl acrylate; Methyl propenoate; Methyl 2-propenoate; CH2=CHCOOCH3; Methyl propenate; Acrylate de methyle; Acrylsaeuremethylester; Methyl-acrylat; Methylacrylaat; Metilacrilato; Curithane 103; Methylester kyseliny akrylove; UN 1919; Methyl prop-2-enoate; Methyl ester of 2-propenoic acid; Methyl ester acrylic acid; NSC 24146
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -79.59 | kcal/mol | Ccr | Hall and Baldt, 1971 |
Condensed phase 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 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 | -86.57 | kcal/mol | Ccr | Hall and Baldt, 1971 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -494.59 ± 0.16 | kcal/mol | Ccr | Hall and Baldt, 1971 | Corresponding ΔfHºliquid = -86.56 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 |
---|---|---|---|
41.18 | 298.15 | Karabaev, Saidov, et al., 1985 | T = 90 to 290 K. Cp(c) = 285.21 + 5.32T J/kg*K (103 to 175 K; Cp(liq) = 1568.62 + 1.45T (197.5 to 290 K). Cp data calculated from equation.; DH |
38.60 | 298.15 | Fuchs, 1979 | DH |
31.88 | 297. | Hall and Baldt, 1971 | DH |
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
DH - Eugene S. Domalski and Elizabeth D. Hearing
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 353.7 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 353. | K | N/A | American Tokyo Kasei, 1988 | BS |
Tboil | 354.1 | K | N/A | Anonymous, 1955 | Uncertainty assigned by TRC = 0.6 K; TRC |
Tboil | 353. | K | N/A | Rehberg and Fisher, 1944 | Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 197.5 | K | N/A | Karabaev, Saidov, et al., 1985 | DH |
Tfus | 197.5 | K | N/A | Karabaev, Abduzhaminov, et al., 1985 | Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 6.98 | kcal/mol | V | Hall and Baldt, 1971 | ALS |
ΔvapH° | 6.98 | kcal/mol | N/A | Hall and Baldt, 1971 | DRB |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
8.17 | 331. | A | Stephenson and Malanowski, 1987 | Based on data from 316. to 354. K.; AC |
6.88 | 314. | BG | Baldt and Hall, 1971 | Based on data from 299. to 337. K.; AC |
9.1 | 244. | N/A | Stull, 1947 | Based on data from 229. to 353. 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 |
---|---|---|---|---|---|
229.5 to 353.3 | 4.31756 | 1338.663 | -43.516 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
2.325 | 197.5 | Karabaev, Abduzhaminov, et al., 1985, 2 | DH |
2.33 | 197.5 | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
11.77 | 197.5 | Karabaev, Abduzhaminov, et al., 1985, 2 | DH |
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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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: H2 + C4H6O2 = C4H8O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -119.8 | kcal/mol | Chyd | Veselova and Sul'man, 1980 | liquid phase |
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 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) | 197.4 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 190.0 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.9 | PE | Van Dam and Oskam, 1978 | LLK |
10.74 | PE | Van Dam and Oskam, 1978 | Vertical value; LLK |
10.72 | PE | Sustmann and Trill, 1972 | Vertical value; LLK |
IR Spectrum
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Data compiled by: Coblentz Society, Inc.
- GAS (25 mmHg, N2 ADDED, TOTAL PRESSURE 600 mmHg); DOW KBr FOREPRISM-GRATING; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 2 cm-1 resolution
- SOLUTION (5% IN CCl4 FOR 3800-1300, 5% IN CS2 FOR 1300-600, AND 5% IN CCl4 FOR 600-240 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)
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics 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 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 | NIST Mass Spectrometry Data Center, 1998. |
NIST MS number | 291334 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, 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.
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]
Karabaev, Saidov, et al., 1985
Karabaev, M.; Saidov, A.A.; Abduzhaminov, T.P.; Kenisarin, M.M.,
Heat capacity and molecular kinetic processes of condensed phase acrylates and methacrylates, Izv. Akad. Nauk UzSSR,
Ser. Fiz.-Math., 1985, (6), 51-54. [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]
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]
American Tokyo Kasei, 1988
American Tokyo Kasei,
TCI American Organic Chemical 88/89 Catalog, American Tokyo Kasei, Portland, OR, 1988, 1610. [all data]
Anonymous, 1955
Anonymous, R.,
, Am. Pet. Inst. Res. Proj. 45, Tech. Rep. 14, No. 1, Ohio State Univ., 1955. [all data]
Rehberg and Fisher, 1944
Rehberg, C.E.; Fisher, C.H.,
Preparatioon and Properties of the n-Alkyl Acrylates,
J. Am. Chem. Soc., 1944, 66, 1203-7. [all data]
Karabaev, Abduzhaminov, et al., 1985
Karabaev, M.K.; Abduzhaminov, T.P.; Kenisarin, M.M.; Saidov, A.A.,
Thermodynamics of the crystal-liquid phase transition in acrylates and methacrylates.,
Izv. Akad. Nauk Uzb. SSR Ser., Fiz-Mat. Nauk, 1985, 1985, No. 5, 74-7. [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]
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]
Karabaev, Abduzhaminov, et al., 1985, 2
Karabaev, M.K.; Abduzhaminov, T.P.; Kenisarin, M.M.; Saidov, A.A.,
Thermodynamics of the crystal-liquid phase transition in acrylates and methacrylates, Izv. Akad. Nauk Uzb. SSR,
Ser. Fiz.-Mat. Nauk, 1985, (5), 74-77. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Veselova and Sul'man, 1980
Veselova, M.E.; Sul'man, E.M.,
Effect of the chemical structure of α,β-unsaturated esters and ketones on the selectivity of their hydrogenation,
Svoistva Veshchestv i Stroenie Molekul, Kalinin, 1980, 140-143. [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]
Van Dam and Oskam, 1978
Van Dam, H.; Oskam, A.,
He(I) and He(II) photoelectron spectra of some substituted ethylenes,
J. Electron Spectrosc. Relat. Phenom., 1978, 13, 273. [all data]
Sustmann and Trill, 1972
Sustmann, R.; Trill, H.,
Photoelektronenspektroskopische Bestimmung von Substituenten-Effekten. II. α,β-ungesattigte Carbonester,
Tetrahedron Lett., 1972, 42, 4271. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), 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°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔrH° Enthalpy 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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