1-Butanamine, N-butyl-
- Formula: C8H19N
- Molecular weight: 129.2432
- IUPAC Standard InChIKey: JQVDAXLFBXTEQA-UHFFFAOYSA-N
- CAS Registry Number: 111-92-2
- 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: Dibutylamine; Di-n-butylamine; N-Dibutylamine; (n-C4H9)2NH; n-Butyl-1-butanamine; di-Normal-butylamine; Dibutilamina; UN 2248; Butylamine, di-n-
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Gas phase thermochemistry data
Go To: Top, Phase change data, Mass spectrum (electron ionization), 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.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -171.1 ± 3.2 | kJ/mol | Ccb | Suradi, Hacking, et al., 1981 | ALS |
ΔfH°gas | -164.9 | kJ/mol | N/A | Lebedeva, Katin, et al., 1971 | Value computed using ΔfHliquid° value of -206.1±0.4 kj/mol from Lebedeva, Katin, et al., 1971 and ΔvapH° value of 41.2 kj/mol from Suradi, Hacking, et al., 1981.; DRB |
Phase change data
Go To: Top, Gas phase thermochemistry data, Mass spectrum (electron ionization), 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 430. ± 20. | K | AVG | N/A | Average of 9 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 211.25 | K | N/A | Timmermans, 1952 | Uncertainty assigned by TRC = 0.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 595.8 | K | N/A | Majer and Svoboda, 1985 | |
Tc | 607.5 | K | N/A | Toczylkin. L.S. and Young, 1980 | Uncertainty assigned by TRC = 0.6 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 31.10 | bar | N/A | Toczylkin. L.S. and Young, 1980 | Uncertainty assigned by TRC = 0.3107 bar; Visual; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 46. ± 7. | kJ/mol | AVG | N/A | Average of 7 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
38.44 | 432.8 | N/A | Majer and Svoboda, 1985 | |
46.0 | 358. | A | Stephenson and Malanowski, 1987 | Based on data from 343. to 479. K.; AC |
46.0 ± 0.1 | 343. | C | Petros, Majer, et al., 1979 | AC |
44.8 ± 0.1 | 358. | C | Petros, Majer, et al., 1979 | AC |
48.1 | 291. | V | Lebedeva, Katin, et al., 1971 | ALS |
Enthalpy of vaporization
ΔvapH =
A exp(-βTr) (1 − Tr)β
ΔvapH =
Enthalpy of vaporization (at saturation pressure)
(kJ/mol)
Tr = reduced temperature (T / Tc)
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Temperature (K) | A (kJ/mol) | β | Tc (K) | Reference | Comment |
---|---|---|---|---|---|
298. to 358. | 71.12 | 0.3042 | 595.8 | Majer and Svoboda, 1985 |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-NW-8462 |
NIST MS number | 228624 |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Suradi, Hacking, et al., 1981
Suradi, S.; Hacking, J.M.; Pilcher, G.; Gumrukcu, I.; Lappert, M.F.,
Enthalpies of combustion of five sterically hindered amines,
J. Chem. Thermodyn., 1981, 13, 857-861. [all data]
Lebedeva, Katin, et al., 1971
Lebedeva, N.D.; Katin, Y.A.; Akhmedova, G.Y.,
Enthalpies of formation of dipropylamine, di-isopropylamine, dibutylamine, and di-isobutylamine,
Russ. J. Phys. Chem. (Engl. Transl.), 1971, 45, 771-772. [all data]
Timmermans, 1952
Timmermans, J.,
Freezing points of organic compounds. VVI New determinations.,
Bull. Soc. Chim. Belg., 1952, 61, 393. [all data]
Majer and Svoboda, 1985
Majer, V.; Svoboda, V.,
Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]
Toczylkin. L.S. and Young, 1980
Toczylkin. L.S.; Young, C.L.,
Gas-liquid criticl temperatures of mixtures containing electron donors. II. Amine mixtures,
J. Chem. Thermodyn., 1980, 12, 365. [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]
Petros, Majer, et al., 1979
Petros, Libor; Majer, Vladimír; Koubek, Josef; Svoboda, Václav; Pick, Jirí,
Temperature dependence of heats of vaporization, saturated vapour pressures and cohesive energies of secondary amines,
Collect. Czech. Chem. Commun., 1979, 44, 12, 3533-3540, https://doi.org/10.1135/cccc19793533
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References
- Symbols used in this document:
Pc Critical pressure Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point 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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