3-Octyne
- Formula: C8H14
- Molecular weight: 110.1968
- IUPAC Standard InChIKey: UDEISTCPVNLKRJ-UHFFFAOYSA-N
- CAS Registry Number: 15232-76-5
- 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: Butylethylacetylene; Ethylbutylacetylene; 1-Ethyl-2-butylacetylene; C4H9C≡CC2H5; oct-3-yne
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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
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 | 406. ± 2. | K | AVG | N/A | Average of 9 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 162.71 | K | N/A | Miller, Greenlee, et al., 1954 | Uncertainty assigned by TRC = 2. K; TRC |
Tfus | 169.25 | K | N/A | Henne and Greenlee, 1945 | Uncertainty assigned by TRC = 0.3 K; TRC |
Tfus | 168.15 | K | N/A | Campbell and Eby, 1941 | Uncertainty assigned by TRC = 1.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 10.50 | kcal/mol | N/A | Majer and Svoboda, 1985 |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
9.49 | 378. | A | Stephenson and Malanowski, 1987 | Based on data from 363. to 406. K. See also Eisen and Orav, 1970 and Boublik, Fried, et al., 1984.; AC |
8.829 | 406.3 | N/A | Majer and Svoboda, 1985 |
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.
Miller, Greenlee, et al., 1954
Miller, H.M.; Greenlee, K.W.; Derfer, J.M.; Boord, C.E.,
J. Org. Chem., 1954, 19, 1882. [all data]
Henne and Greenlee, 1945
Henne, A.L.; Greenlee, K.W.,
Preparation and Physical Constants of Acetylenic Compounds,
J. Am. Chem. Soc., 1945, 67, 484-5. [all data]
Campbell and Eby, 1941
Campbell, K.N.; Eby, L.T.,
The Reduction of Multiple Carbon-Carbon Bonds III. Further Studies on the Preparation of Olefins from Acetylenes,
J. Am. Chem. Soc., 1941, 63, 2683. [all data]
Majer and Svoboda, 1985
Majer, V.; Svoboda, V.,
Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [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]
Eisen and Orav, 1970
Eisen, O.; Orav, A.,
Eesti NSV Tead. Akad. Toim. Keem. Geol., 1970, 19, 3, 202. [all data]
Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E.,
The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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