- Formula: C3H4O2
- Molecular weight: 72.0627
- IUPAC Standard InChI:
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- 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
- 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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Reaction thermochemistry data
Go To: Top, References, Notes
Data compiled as indicated in comments:
B - John E. Bartmess
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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C3H3O2- + =
By formula: C3H3O2- + H+ = C3H4O2
|rH°||1440. ± 12.||kJ/mol||G+TS||Graul, Schnute, et al., 1990||gas phase; B|
|rG°||1411. ± 12.||kJ/mol||CIDC||Graul, Schnute, et al., 1990||gas phase; B|
+ = +
By formula: C4H10O + C3H4O2 = C7H12O2 + H2O
|rH°||16.||kJ/mol||Eqk||Selyakova, Vytnov, et al., 1976||liquid phase; Heat of esterification 60-180 C; ALS|
By formula: H2 + C3H4O2 = C3H6O2
|rH°||-127.0 ± 0.8||kJ/mol||Chyd||Skinner and Snelson, 1959||liquid phase; solvent: Acetic acid; ALS|
Go To: Top, Reaction thermochemistry data, Notes
Graul, Schnute, et al., 1990
Graul, S.T.; Schnute, M.E.; Squires, R.R., Gas-Phase Acidities of Carboxylic Acids and Alcohols from Collision-Induced Dissociation of Dimer Cluster Ions, Int. J. Mass Spectrom. Ion Proc., 1990, 96, 2, 181, https://doi.org/10.1016/0168-1176(90)87028-F . [all data]
Selyakova, Vytnov, et al., 1976
Selyakova, V.A.; Vytnov, G.F.; Sineokov, A.P., Study of the esterification of acrylic acid by butyl alcohol, Russ. J. Phys. Chem. (Engl. Transl.), 1976, 50, 1692-1694. [all data]
Skinner and Snelson, 1959
Skinner, H.A.; Snelson, A., Heats of hydrogenation Part 3., Trans. Faraday Soc., 1959, 55, 405-407. [all data]
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
rG° Free energy of reaction at standard conditions rH° Enthalpy of reaction at standard conditions
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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