Butanal
- Formula: C4H8O
- Molecular weight: 72.1057
- IUPAC Standard InChIKey: ZTQSAGDEMFDKMZ-UHFFFAOYSA-N
- CAS Registry Number: 123-72-8
- 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: Butyraldehyde; n-Butanal; n-Butyl aldehyde; n-Butyraldehyde; Butal; Butaldehyde; Butanaldehyde; Butyl aldehyde; Butyral; Butyric aldehyde; Butyrylaldehyde; n-C3H7CHO; Aldehyde butyrique; Aldeide butirrica; Butalyde; Butyraldehyd; NCI-C56291; UN 1129; 1-Butanal; Butan-1-al; NSC 62779
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Reaction thermochemistry data
Go To: Top, 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:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
ALS - 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
C4H7O- + =
By formula: C4H7O- + H+ = C4H8O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1526. ± 8.8 | kJ/mol | D-EA | Alconcel, Deyerl, et al., 2001 | gas phase; B |
ΔrH° | 1523. ± 9.6 | kJ/mol | D-EA | Zimmerman, Reed, et al., 1977 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1499. ± 9.6 | kJ/mol | H-TS | Alconcel, Deyerl, et al., 2001 | gas phase; B |
ΔrG° | 1496. ± 10. | kJ/mol | H-TS | Zimmerman, Reed, et al., 1977 | gas phase; B |
By formula: NO- + C4H8O = (NO- • C4H8O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 164. | kJ/mol | ICR | Reents and Freiser, 1981 | gas phase; switching reaction,Thermochemical ladder(NO+)C2H5OH, Entropy change calculated or estimated; Farid and McMahon, 1978; M |
By formula: C6H14O2 + H2O = C4H8O + 2CH4O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 36.2 ± 0.1 | kJ/mol | Cm | Wiberg, Morgan, et al., 1994 | liquid phase; ALS |
ΔrH° | 36.53 ± 0.096 | kJ/mol | Eqk | Wiberg and Squires, 1981 | liquid phase; ALS |
By formula: H2 + C4H6O = C4H8O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -104.2 ± 0.42 | kJ/mol | Chyd | Dolliver, Gresham, et al., 1938 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -105.3 ± 0.4 kJ/mol; At 355°K; ALS |
(CAS Reg. No. 26232-84-8 • 4294967295) + = CAS Reg. No. 26232-84-8
By formula: (CAS Reg. No. 26232-84-8 • 4294967295C4H8O) + C4H8O = CAS Reg. No. 26232-84-8
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 175. ± 9.2 | kJ/mol | N/A | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
By formula: C4H8O + H2 = C4H10O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -81.88 ± 0.75 | kJ/mol | Cm | Wiberg, Crocker, et al., 1991 | liquid phase; ALS |
ΔrH° | -70.5 ± 1.3 | kJ/mol | Chyd | Buckley and Cox, 1967 | gas phase; ALS |
By formula: Mg+ + C4H8O = (Mg+ • C4H8O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 280. ± 20. | kJ/mol | ICR | Operti, Tews, et al., 1988 | gas phase; switching reaction,Thermochemical ladder(Mg+)CH3OH; M |
By formula: C4H8O + 2CH4O = C6H14O2 + H2O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -59. ± 1. | kJ/mol | Cm | Wiberg, Morgan, et al., 1994 | gas phase; ALS |
By formula: 3C4H8O = C12H24O3
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -29.45 | kJ/mol | Eqk | Ogorodnikov, Katsnel'son, et al., 1990 | liquid phase; PMR; ALS |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Alconcel, Deyerl, et al., 2001
Alconcel, L.S.; Deyerl, H.J.; Continetti, R.E.,
Effects of alkyl substitution on the energetics of enolate anions and radicals,
J. Am. Chem. Soc., 2001, 123, 50, 12675-12681, https://doi.org/10.1021/ja0120431
. [all data]
Zimmerman, Reed, et al., 1977
Zimmerman, A.H.; Reed, K.J.; Brauman, J.I.,
Photodetachment of electrons from enolate anions. Gas phase electron affinities of enolate radicals,
J. Am. Chem. Soc., 1977, 99, 7203. [all data]
Reents and Freiser, 1981
Reents, W.D.; Freiser, B.S.,
Gas-Phase Binding Energies and Spectroscopic Properties of NO+ Charge-Transfer Complexes,
J. Am. Chem. Soc., 1981, 103, 2791. [all data]
Farid and McMahon, 1978
Farid, R.; McMahon, T.B.,
Gas-Phase Ion-Molecule Reactions of Alkyl Nitrites by Ion Cyclotron Resonance Spectroscopy,
Int. J. Mass Spectrom. Ion Phys., 1978, 27, 2, 163, https://doi.org/10.1016/0020-7381(78)80037-0
. [all data]
Wiberg, Morgan, et al., 1994
Wiberg, K.B.; Morgan, K.M.; Maltz, H.,
Thermochemistry of carbonyl reactions. 6. A study of hydration equilibria,
J. Am. Chem. Soc., 1994, 116, 11067-11077. [all data]
Wiberg and Squires, 1981
Wiberg, K.B.; Squires, R.R.,
Thermochemical studies of carbonyl reactions. 2. Steric effects in acetal and ketal hydrolysis,
J. Am. Chem. Soc., 1981, 103, 4473-4478. [all data]
Dolliver, Gresham, et al., 1938
Dolliver, M.A.; Gresham, T.L.; Kistiakowsky, G.B.; Smith, E.A.; Vaughan, W.E.,
Heats of organic reactions. VI. Heats of hydrogenation of some oxygen-containing compounds,
J. Am. Chem. Soc., 1938, 60, 440-450. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr.,
The gas phase acidity scale from methanol to phenol,
J. Am. Chem. Soc., 1979, 101, 6047. [all data]
Wiberg, Crocker, et al., 1991
Wiberg, K.B.; Crocker, L.S.; Morgan, K.M.,
Thermochemical studies of carbonyl compounds. 5. Enthalpies of reduction of carbonyl groups,
J. Am. Chem. Soc., 1991, 113, 3447-3450. [all data]
Buckley and Cox, 1967
Buckley, E.; Cox, J.D.,
Chemical equilibria. Part 2.-Dehydrogenation of propanol and butanol,
Trans. Faraday Soc., 1967, 63, 895-901. [all data]
Operti, Tews, et al., 1988
Operti, L.; Tews, E.C.; Freiser, B.S.,
Determination of Gas-Phase Ligand Binding Energies to Mg+ by FTMS Techniques,
J. Am. Chem. Soc., 1988, 110, 12, 3847, https://doi.org/10.1021/ja00220a020
. [all data]
Ogorodnikov, Katsnel'son, et al., 1990
Ogorodnikov, A.L.; Katsnel'son, M.G.; Pinson, V.V.; Levin, Yu.V.,
Study of thermodynamic characteristics of a butyraldehyde-cyclic trimer system,
Zh. Prikl. Khim. (Leningrad), 1990, 63, 1340-1343. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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