2-Pentene, 4-methyl-
- Formula: C6H12
- Molecular weight: 84.1595
- IUPAC Standard InChI: InChI=1S/C6H12/c1-4-5-6(2)3/h4-6H,1-3H3
- IUPAC Standard InChIKey: LGAQJENWWYGFSN-UHFFFAOYSA-N
- CAS Registry Number: 4461-48-7
- 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. - Stereoisomers:
- Other names: 1,1-Dimethyl-2-butene; 2-Methyl-3-pentene; 4-Methyl-2-pentene; 4-Methyl-2-pentene,c&t; 4-Methyl-2-pentene(c,t); 4-methylpent-2-ene
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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 by: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 328.5 | K | N/A | Wright, 1961 | Uncertainty assigned by TRC = 0.4 K |
| Tboil | 328.5 | K | N/A | Wright, 1960 | Uncertainty assigned by TRC = 0.2 K |
| Tboil | 330.92 | K | N/A | Spengler, 1948 | Uncertainty assigned by TRC = 1. K |
| Tboil | 331.57 | K | N/A | Spengler, 1948 | Uncertainty assigned by TRC = 1. K |
| Tboil | 331.95 | K | N/A | Mulliken, Wakeman, et al., 1935 | Uncertainty assigned by TRC = 0.6 K |
Reaction 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
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
=
By formula: C6H12 = C6H12
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 0.38 ± 0.04 | kcal/mol | Eqk | Yursha and Kabo, 1976 | liquid phase; At 394.5K |
Gas Chromatography
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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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | SPB-5 | 607. | Engel and Ratel, 2007 | 60. m/0.32 mm/1. μm, 40. C @ 2. min, 3. K/min, 230. C @ 10. min |
Normal alkane RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | SE-54 | 50. | 562. | Xieyun, Maoqi, et al., 1996 | N2; Column length: 40. m; Column diameter: 0.25 mm |
References
Go To: Top, Phase change data, Reaction thermochemistry data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Wright, 1961
Wright, F.J.,
Influence of temperature on viscosity of nonassociated liquids,
J. Chem. Eng. Data, 1961, 6, 454. [all data]
Wright, 1960
Wright, F.J.,
Latent Heat of Vaporization and Composition,
Recl. Trav. Chim. Pays-Bas, 1960, 79, 784-9. [all data]
Spengler, 1948
Spengler, G.,
Unpublished, Inst. Kohleforschung, Prague, Czechosl- ovakia (transmitted by L. L. Newman, U. S, 1948. [all data]
Mulliken, Wakeman, et al., 1935
Mulliken, S.P.; Wakeman, R.L.; Gerry, H.T.,
The preparation of certain alkenes, alkadienes and alkynes,
J. Am. Chem. Soc., 1935, 57, 1605-7. [all data]
Yursha and Kabo, 1976
Yursha, I.A.; Kabo, G.Ya.,
Equilibrium isomerisation and thermodynamic properties of 2-methylpentenes,
Russ. J. Phys. Chem. (Engl. Transl.), 1976, 50, 330, In original 558. [all data]
Engel and Ratel, 2007
Engel, E.; Ratel, J.,
Correction of the data generated by mass spectrometry analyses of biological tissues: Application to food authentication,
J. Chromatogr. A, 2007, 1154, 1-2, 331-341, https://doi.org/10.1016/j.chroma.2007.02.012
. [all data]
Xieyun, Maoqi, et al., 1996
Xieyun, H.; Maoqi, C.; Shiyan, Y.,
Gas Chromatographic analysis during the process of heptaldehyde production using 1-hexene,
Chin. J. Chromatogr., 1996, 14, 4, 291-293. [all data]
Notes
Go To: Top, Phase change data, Reaction thermochemistry data, Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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