2-Propenoic acid
- Formula: C3H4O2
- Molecular weight: 72.0627
- IUPAC Standard InChI: InChI=1S/C3H4O2/c1-2-3(4)5/h2H,1H2,(H,4,5)
- IUPAC Standard InChIKey: NIXOWILDQLNWCW-UHFFFAOYSA-N
- CAS Registry Number: 79-10-7
- 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; Acroleic acid; Ethylenecarboxylic acid; Propenoic acid; Vinylformic acid; CH2=CHCOOH; Propene acid; Kyselina akrylova; Rcra waste number U008; Glacial acrylic acid; NSC 4765
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -330.7 ± 4.2 | kJ/mol | Ccb | Van-chin-syan, Kochubei, et al., 1996 | ALS |
| ΔfH°gas | -324.7 | kJ/mol | N/A | Vilcu and Perisanu, 1980 | Value computed using ΔfHliquid° value of -377.8±9.3 kj/mol from Vilcu and Perisanu, 1980 and ΔvapH° value of 53.1 kj/mol from Van-chin-syan, Kochubei, et al., 1996.; DRB |
| ΔfH°gas | -336.9 ± 2.3 | kJ/mol | Eqk | Guthrie, 1978 | ALS |
Constant pressure heat capacity of gas
| Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 41.03 | 50. | Thermodynamics Research Center, 1997 | p=1 bar.; GT |
| 45.40 | 100. | ||
| 52.33 | 150. | ||
| 61.50 | 200. | ||
| 76.61 | 273.15 | ||
| 81.80 | 298.15 | ||
| 82.18 | 300. | ||
| 101.24 | 400. | ||
| 116.65 | 500. | ||
| 128.73 | 600. | ||
| 138.32 | 700. | ||
| 146.12 | 800. | ||
| 152.60 | 900. | ||
| 158.08 | 1000. | ||
| 162.8 | 1100. | ||
| 166.8 | 1200. | ||
| 170.2 | 1300. | ||
| 173.2 | 1400. | ||
| 175.8 | 1500. |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry 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 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 | -383.8 ± 2.0 | kJ/mol | Ccb | Van-chin-syan, Kochubei, et al., 1996 | ALS |
| ΔfH°liquid | -377.8 ± 9.3 | kJ/mol | Ccb | Vilcu and Perisanu, 1980 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -1368.8 ± 1.8 | kJ/mol | Ccb | Van-chin-syan, Kochubei, et al., 1996 | Corresponding ΔfHºliquid = -383.4 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
| ΔcH°liquid | -1374. ± 11. | kJ/mol | Ccb | Vilcu and Perisanu, 1980 | Corresponding ΔfHºliquid = -377.8 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
| ΔcH°liquid | -1373. ± 5.0 | kJ/mol | Ccb | Moureu and Boutaric, 1920 | Corresponding ΔfHºliquid = -379. kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Constant pressure heat capacity of liquid
| Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 144.2 | 298.15 | Karabaev, Saidov, et al., 1985 | T = 90 to 350 K. Cp(c) = 313.44 + 3.99T J/kg*K (103 to 252 K); Cp(liq) = 695.42 + 4.38T J/kg*K (285.7 to 350 K). Cp data calculated from equation.; DH |
| 145.70 | 300. | Karabaev, Abduzhaminov, et al., 1983 | T = 290 to 344 K. Cp given as 2021.8 J/kg*K.; DH |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Van-chin-syan, Kochubei, et al., 1996
Van-chin-syan, Yu.Ya.; Kochubei, V.V.; Sergeev, V.V.; Raevskii, Yu.A.; Gerasimchuk, S.I.; Kotovich, Kh.Z.,
Thermodynamic properties of some acids and aldehydes of the acrylic series,
Sov. J. Chem. Phys. (Engl. Transl.), 1996, 70, 1789-1794, In original 1932. [all data]
Vilcu and Perisanu, 1980
Vilcu, R.; Perisanu, S.,
The ideal gas state enthalpies of formation of some monomers,
Rev. Roum. Chim., 1980, 25, 619-624. [all data]
Guthrie, 1978
Guthrie, J.P.,
Equilibrium constants for a series of simple aldol condensations, and linear free energy relations with other carbonyl addition reactions,
Can. J. Chem., 1978, 56, 962-973. [all data]
Thermodynamics Research Center, 1997
Thermodynamics Research Center,
Selected Values of Properties of Chemical Compounds., Thermodynamics Research Center, Texas A&M University, College Station, Texas, 1997. [all data]
Moureu and Boutaric, 1920
Moureu, C.; Boutaric, A.,
Some physico-chemical constants of acrylic acid,
J. Chim. Phys., 1920, 18, 348-352. [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]
Karabaev, Abduzhaminov, et al., 1983
Karabaev, M.K.; Abduzhaminov, T.P.; Tursunov, Sh.O.; Igamberdyev, Kh.T.,
Temperature dependence of the thermophysical parameters of liquid acrylic acid, Izv. Akad. Nauk Uzb. SSR,
Ser. Fiz.-Mat. Nauk, 1983, (6), 57-58. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas Cp,liquid Constant pressure heat capacity of liquid 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 - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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