Cyclopentene, 1,5-dimethyl-
- Formula: C7H12
- Molecular weight: 96.1702
- IUPAC Standard InChI: InChI=1S/C7H12/c1-6-4-3-5-7(6)2/h4,7H,3,5H2,1-2H3
- IUPAC Standard InChIKey: RIICRLQIUAAOOE-UHFFFAOYSA-N
- CAS Registry Number: 16491-15-9
- 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: 1,2-Dimethyl-2-cyclopentene; 1,5-Dimethylcyclopentene; 2,3-Dimethylcyclopentene
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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 | 375.2 | K | N/A | Weast and Grasselli, 1989 | BS |
| Tboil | 365.7 | K | N/A | Adkins and Roebuck, 1948 | Uncertainty assigned by TRC = 3. K; TRC |
| Tboil | 368.9 | K | N/A | Chavanne and Chiurdoglu, 1942 | Uncertainty assigned by TRC = 3. K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| Tfus | 154.7 | K | N/A | Timmermans, 1952 | Uncertainty assigned by TRC = 0.5 K; TRC |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 37.1 | 288. | A | Stephenson and Malanowski, 1987 | Based on data from 273. to 423. 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.
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]
Adkins and Roebuck, 1948
Adkins, H.; Roebuck, A.K.,
Isomerization of Cyclohexenes to Cyclopentenes: Oxidation of These Alkenes to Glycols and Acids.,
J. Am. Chem. Soc., 1948, 70, 4041. [all data]
Chavanne and Chiurdoglu, 1942
Chavanne, G.; Chiurdoglu, G.,
The Ring Enlargement which Accompanies the Water Removal from Dimethylcyclobutylcarbinol,
Bull. Soc. Chim. Belg., 1942, 51, 11-22. [all data]
Timmermans, 1952
Timmermans, J.,
Freezing points of organic compounds. VVI New determinations.,
Bull. Soc. Chim. Belg., 1952, 61, 393. [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 Tfus Fusion (melting) point ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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