1-Pentene, 3,4-dimethyl-
- Formula: C7H14
- Molecular weight: 98.1861
- IUPAC Standard InChI: InChI=1S/C7H14/c1-5-7(4)6(2)3/h5-7H,1H2,2-4H3
- IUPAC Standard InChIKey: WFHXQNMTMDKVJG-UHFFFAOYSA-N
- CAS Registry Number: 7385-78-6
- 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: 3,4-Dimethyl-1-pentene; (CH3)2CHCH(CH3)CH=CH2
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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:
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 | 353.96 | K | N/A | Anonymous, 1957 | Uncertainty assigned by TRC = 0.2 K; TRC |
| Tboil | 363.05 | K | N/A | Cook and Boord, 1949 | TRC |
| Tboil | 353.95 | K | N/A | Keulemans, Kwantes, et al., 1948 | Uncertainty assigned by TRC = 1. K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔvapH° | 33.9 | kJ/mol | N/A | Reid, 1972 | AC |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 33.2 | 324. | A | Stephenson and Malanowski, 1987 | Based on data from 309. - 378. K. See also Kkykj and Repas, 1973.; 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.
Anonymous, 1957
Anonymous, R.,
, Am. Pet. Inst. Res. Proj. 6, Carnegie-Mellon Univ., 1957. [all data]
Cook and Boord, 1949
Cook, N.C.; Boord, C.E.,
, Am. Pet. Inst. Res. Proj. 45, Ohio State Univ., 1949. [all data]
Keulemans, Kwantes, et al., 1948
Keulemans, A.I.M.; Kwantes, A.; van Bavel, T.,
Recl. Trav. Chim. Pays-Bas, 1948, 67, 298. [all data]
Reid, 1972
Reid, Robert C.,
Handbook on vapor pressure and heats of vaporization of hydrocarbons and related compounds, R. C. Wilhort and B. J. Zwolinski, Texas A Research Foundation. College Station, Texas(1971). 329 pages.$10.00,
AIChE J., 1972, 18, 6, 1278-1278, https://doi.org/10.1002/aic.690180637
. [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]
Kkykj and Repas, 1973
Kkykj, J.; Repas, M.,
Petrochemia, 1973, 13, 179. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling 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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