2-Methyl-1,2-propanediamine
- Formula: C4H12N2
- Molecular weight: 88.1515
- IUPAC Standard InChI: InChI=1S/C4H12N2/c1-4(2,6)3-5/h3,5-6H2,1-2H3
- IUPAC Standard InChIKey: OPCJOXGBLDJWRM-UHFFFAOYSA-N
- CAS Registry Number: 811-93-8
- 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: 1,2-Diamino-2-methylpropane; 1,2-Propanediamine, 2-methyl-; Methyl-2 propanediamine-1,2; 2-methylpropylenediamine
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Condensed phase thermochemistry data
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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 | -134. ± 0.67 | kJ/mol | Ccr | Good and Moore, 1970 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -3155.1 ± 0.59 | kJ/mol | Ccr | Good and Moore, 1970 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| S°liquid | 259.53 | J/mol*K | N/A | Messerly, Finke, et al., 1975 | DH |
Constant pressure heat capacity of liquid
| Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 234.56 | 298.15 | Messerly, Finke, et al., 1975 | T = 11 to 375 K.; DH |
References
Go To: Top, 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]
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. Thermodynam., 1975, 7, 1029-1046. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions ΔcH°liquid Enthalpy of combustion of liquid 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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