Isobutylamine
- Formula: C4H11N
- Molecular weight: 73.1368
- IUPAC Standard InChI: InChI=1S/C4H11N/c1-4(2)3-5/h4H,3,5H2,1-2H3
- IUPAC Standard InChIKey: KDSNLYIMUZNERS-UHFFFAOYSA-N
- CAS Registry Number: 78-81-9
- 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: 1-Propanamine, 2-methyl-; Monoisobutylamine; Valamine; 1-Amino-2-methylpropane; 2-Methylpropylamine; 3-Methyl-2-propylamine; iso-C4H9NH2; 2-Methyl-1-Aminopropane; 2-Methyl-1-propanamine; UN 1214; i-Butylamine; 2-Methylpropanamine; NSC 8028
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Gas phase thermochemistry data
Go To: Top, Condensed 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -23.57 ± 0.13 | kcal/mol | Ccr | Good and Moore, 1970 | ALS |
| ΔfH°gas | -34.44 | kcal/mol | N/A | Lemoult, 1907 | Value computed using ΔfHliquid° value of -178.0 kj/mol from Lemoult, 1907 and ΔvapH° value of 33.9 kj/mol from Good and Moore, 1970.; DRB |
Condensed phase thermochemistry 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | -31.68 ± 0.12 | kcal/mol | Ccr | Good and Moore, 1970 | ALS |
| ΔfH°liquid | -42.6 | kcal/mol | Ccb | Lemoult, 1907 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -720.25 ± 0.10 | kcal/mol | Ccr | Good and Moore, 1970 | ALS |
| ΔcH°liquid | -714.0 | kcal/mol | Ccb | Lemoult, 1907 | ALS |
Constant pressure heat capacity of liquid
| Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 46.4 | 298.15 | Konicek and Wadso, 1971 | DH |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Lemoult, 1907
Lemoult, M.P.,
Recherches theoriques et experimentales sur les chaleurs de combustion et de formation des composes organiques,
Ann. Chim. Phys., 1907, 12, 395-432. [all data]
Konicek and Wadso, 1971
Konicek, J.; Wadso, I.,
Thermochemical properties of some carboxylic acids, amines and N-substituted amides in aqueous solution,
Acta Chem. Scand., 1971, 25, 1541-1551. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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