- Formula: C4H4O2
- Molecular weight: 84.0734
- IUPAC Standard InChI:
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- IUPAC Standard InChIKey: WASQWSOJHCZDFK-UHFFFAOYSA-N
- CAS Registry Number: 674-82-8
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
- Other names: Diketene; Ethenone, dimer; Ketene dimer; 3-Butenoic acid, 3-hydroxy-, «beta»-lactone; 4-Methylene-2-oxetanone; Diketen; Vinylaceto-«beta»-lactone; but-3-en-3-olide
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Reaction thermochemistry data
Go To: Top, References, Notes
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.
By formula: C4H4O2 + H3N = acetoacetamide
|rH°||-41.35||kcal/mol||Kin||Lopatin, Popov, et al., 1992||liquid phase; solvent: Solution|
By formula: C4H4O2 + H2O = C4H6O3
|rH°||-28.32||kcal/mol||Kin||Lopatin, Popov, et al., 1992||liquid phase; solvent: Solution|
By formula: C2H6O + C4H4O2 = C6H10O3
|rH°||-30.35||kcal/mol||Kin||Lopatin, Popov, et al., 1992||liquid phase; solvent: Solution|
By formula: CH4N2O + C4H4O2 = N-(aminocarbonyl)-3-oxobutyramide
|rH°||-25.43||kcal/mol||Kin||Lopatin, Popov, et al., 1992||liquid phase; solvent: Solution|
By formula: 2C4H4O2 = C8H8O4
|rH°||-22.0||kcal/mol||Kin||Lopatin, Popov, et al., 1992||liquid phase; solvent: Solution|
Go To: Top, Reaction thermochemistry data, Notes
Lopatin, Popov, et al., 1992
Lopatin, E.B.; Popov, V.V.; Epshtein, N.A.; Mikhaleva, L.M.; Makarov, Yu.N., Kinetic and thermochemical characteristics of diketene-based reactions, Khim.-Farm. Zh., 1992, 26, 76-78. [all data]
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
rH° Enthalpy of reaction at standard conditions
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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