1,2-Butanediamine
- Formula: C4H12N2
- Molecular weight: 88.1515
- IUPAC Standard InChIKey: ULEAQRIQMIQDPJ-UHFFFAOYSA-N
- CAS Registry Number: 4426-48-6
- Chemical structure:
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Gas phase thermochemistry data
Go To: Top, Phase change 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -17.58 ± 0.20 | kcal/mol | Ccb | Messerly, Finke, et al., 1975 | |
ΔfH°gas | -17.68 ± 0.20 | kcal/mol | Ccr | Good and Moore, 1970 |
Phase change 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:
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔvapH° | 11.1 ± 0.05 | kcal/mol | IP | Douslin and Osborn, 2002 | See also Good and Moore, 1970.; AC |
ΔvapH° | 11.16 | kcal/mol | V | Messerly, Finke, et al., 1975 | ALS |
ΔvapH° | 11.2 | kcal/mol | IP | Messerly, Finke, et al., 1975, 2 | Based on data from 251. to 293. K.; AC |
ΔvapH° | 11.06 ± 0.05 | kcal/mol | V | Good and Moore, 1970 | ALS |
ΔvapH° | 11.0 | kcal/mol | N/A | Good and Moore, 1970 | DRB |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
12.0 | 278. | Stephenson and Malanowski, 1987 | Based on data from 251. to 293. K. See also Messerly, Finke, et al., 1975, 2.; AC |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Messerly, Finke, et al., 1975
Messerly, J.F.; Finke, H.L.; Osborn, A.G.; Douslin, D.R.,
Low-temperature calorimetric and vapor-pressure studies on alkanediamines,
J. Chem. Thermodyn., 1975, 7, 1029-10. [all data]
Good and Moore, 1970
Good, W.D.; Moore, R.T.,
Enthalpies of formation of ethylenediamine, 1,2,-propanediamine, 1,2,-butanediamine, 2-methyl-1,2-propanediamine, and isobutylamine C-N and N-F Thermochemical bond energies,
J. Chem. Eng. Data, 1970, 15, 150-154. [all data]
Douslin and Osborn, 2002
Douslin, D.R.; Osborn, A.,
Pressure measurements in the 0.01-30 torr range with an inclined-piston gauge,
J. Sci. Instrum., 2002, 42, 6, 369-373, https://doi.org/10.1088/0950-7671/42/6/301
. [all data]
Messerly, Finke, et al., 1975, 2
Messerly, J.F.; Finke, H.L.; Osborn, A.G.; Douslin, D.R.,
Low-temperature calorimetric and vapor-pressure studies on alkanediamines,
J. Chem. Thermodynam., 1975, 7, 1029-1046. [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]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas 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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