2,5-Hexanediol, 2,5-dimethyl-
- Formula: C8H18O2
- Molecular weight: 146.2273
- IUPAC Standard InChIKey: ZWNMRZQYWRLGMM-UHFFFAOYSA-N
- CAS Registry Number: 110-03-2
- 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: 1,1,4,4-Tetramethyl-1,4-butanediol; 2,5-Dimethyl-2,5-hexanediol; 2,5-Dimethylhexane-2,5-diol
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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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°solid | -682. ± 1. | kJ/mol | Ccr | Zaikin, Nazaruk, et al., 1970 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -5039. ± 1. | kJ/mol | Ccr | Zaikin, Nazaruk, et al., 1970 | Corresponding ΔfHºsolid = -681.6 kJ/mol (simple calculation by NIST; no Washburn corrections) |
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
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 487.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 362. | K | N/A | Bruson and Kroeger, 1940 | Uncertainty assigned by TRC = 3. K; the hydrate, 6H2O, melts at 38 deg C; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 85.2 ± 3.5 | kJ/mol | CGC | Umnahanant, Kweskin, et al., 2006 | AC |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Zaikin, Nazaruk, et al., 1970
Zaikin, I.D.; Nazaruk, L.N.; Klim, N.I.; Yurzhenko, T.I.,
Standard heats of formation of some ditertiary glycoles containing two tertiary carbon atoms,
Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 1970, 13, 786. [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]
Bruson and Kroeger, 1940
Bruson, H.A.; Kroeger, J.W.,
Cycli-Alkylation of Aromatic Compounds by the Friedel and Crafts Reaction,
J. Am. Chem. Soc., 1940, 62, 36-44. [all data]
Umnahanant, Kweskin, et al., 2006
Umnahanant, Pataporn; Kweskin, Shasha; Nichols, Gary; Dunn, Matthew J.; Smart-Ebinne, Hareta; Chickos, James S.,
Vaporization Enthalpies of the α,ω-Alkanediols by Correlation Gas Chromatography,
J. Chem. Eng. Data, 2006, 51, 6, 2246-2254, https://doi.org/10.1021/je060333x
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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