H2N(CH2)7NH2
- Formula: C7H18N2
- Molecular weight: 130.2312
- IUPAC Standard InChI: InChI=1S/C7H18N2/c8-6-4-2-1-3-5-7-9/h1-9H2
- IUPAC Standard InChIKey: PWSKHLMYTZNYKO-UHFFFAOYSA-N
- CAS Registry Number: 646-19-5
- 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: 1,7-Diaminoheptane; Heptamethylenediamine; 1,7-Heptanediamine; 1,7-Heptamethylenediamine
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Phase change 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:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 497.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 46.5 | 288. | A | Stephenson and Malanowski, 1987 | Based on data from 273. to 313. K.; AC |
Enthalpy of fusion
| ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 36.95 | 298.5 | DSC | Dall'Acqua, Della Gatta, et al., 2002 | AC |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [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]
Dall'Acqua, Della Gatta, et al., 2002
Dall'Acqua, Lorenzo; Della Gatta, Giuseppe; Nowicka, Bozenna; Ferloni, Paolo,
Enthalpies and entropies of fusion of ten alkane-α, ω-diamines H2 N-- (CH 2)n-- NH2 where 3≤n≤12,
The Journal of Chemical Thermodynamics, 2002, 34, 1, 1-12, https://doi.org/10.1006/jcht.2001.0950
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point ΔfusH Enthalpy of fusion ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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