1,8-Diaminooctane
- Formula: C8H20N2
- Molecular weight: 144.2578
- IUPAC Standard InChI: InChI=1S/C8H20N2/c9-7-5-3-1-2-4-6-8-10/h1-10H2
- IUPAC Standard InChIKey: PWGJDPKCLMLPJW-UHFFFAOYSA-N
- CAS Registry Number: 373-44-4
- 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: Octamethylenediamine; 1,8-Octanediamine; 1,8-Octamethylenediamine; 1,8-Octylenediamine
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Phase change data
Go To: Top, Gas phase ion energetics 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:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 498.7 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Reduced pressure boiling point
| Tboil (K) | Pressure (atm) | Reference | Comment |
|---|---|---|---|
| 408.2 | 0.026 | Weast and Grasselli, 1989 | BS |
Enthalpy of fusion
| ΔfusH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 12.07 | 324.9 | DSC | Khimeche and Dahmani, 2006 | AC |
| 12.18 | 324.8 | DSC | Dall'Acqua, Della Gatta, et al., 2002 | AC |
Gas phase ion energetics 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: Michael M. Meot-Ner (Mautner)
Gas basicity at 298K
| Gas basicity (review) (kcal/mol) | Reference | Comment |
|---|---|---|
| 226.2 ± 5.1 | Gross, Rodriguez-Cruz, et al., 1995 | T = 300K; Di-n-propylamine; Tri-n-butylamine. Reference GBs readjusted to Hunter and Lias, 1998. Cited uncertainty is half of the ΔGB between the bracketing bases |
References
Go To: Top, Phase change data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
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]
Khimeche and Dahmani, 2006
Khimeche, Kamel; Dahmani, Abdallah,
Solid-Liquid Equilibria of Naphthalene + Alkanediamine Mixtures,
J. Chem. Eng. Data, 2006, 51, 2, 382-385, https://doi.org/10.1021/je0502851
. [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]
Gross, Rodriguez-Cruz, et al., 1995
Gross, D.S.; Rodriguez-Cruz, S.E.; Bock, S.; Williams, E.R.,
Measurement of the Coulomb Energy and Dielectric Polarizability of Gas-Phase Diprotonated Diaminoalkanes,
J. Phys. Chem., 1995, 99, 4034. [all data]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
Tboil Boiling point ΔfusH Enthalpy of fusion - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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