1-Pentene, 2,4,4-trimethyl-
- Formula: C8H16
- Molecular weight: 112.2126
- IUPAC Standard InChIKey: FXNDIJDIPNCZQJ-UHFFFAOYSA-N
- CAS Registry Number: 107-39-1
- 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: Diisobutylene; Diisobutene; 2,2,4-Trimethyl-4-pentene; 2,4,4-Trimethyl-1-pentene; (tert-C4H9)CH2C(CH3)=CH2; 2,4,4-Trimethylpent-1-ene; 2,4,4-Trimethylpentene-1; 1-Pentene, 2,2,4-trimethyl-
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Phase change data
Go To: Top, References, Notes
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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 375. ± 2. | K | AVG | N/A | Average of 21 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 179.5 ± 0.2 | K | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 178.9 | K | N/A | Parks, Todd, et al., 1936 | Uncertainty assigned by TRC = 0.2 K; TRC |
Ttriple | 172. | K | N/A | Parks and Huffman, 1931 | Uncertainty assigned by TRC = 1. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 35.7 | kJ/mol | EB | Malanowski, 2007 | Based on data from 306. to 356. K.; AC |
ΔvapH° | 35.7 | kJ/mol | N/A | Reid, 1972 | AC |
ΔvapH° | 35.7 | kJ/mol | V | Camin and Rossini, 1960 | ALS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
33.5 | 358. | A | Stephenson and Malanowski, 1987 | Based on data from 343. to 381. K.; AC |
35.1 | 316. | MM | Camin and Rossini, 1960, 2 | Based on data from 301. to 375. K.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
8.79 | 178.9 | Domalski and Hearing, 1996 | AC |
8.765 | 178.9 | Parks, Todd, et al., 1936, 2 | DH |
6.795 | 166. | Parks, Todd, et al., 1936, 2 | DH |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
48.99 | 178.9 | Parks, Todd, et al., 1936, 2 | DH |
40.9 | 166. | Parks, Todd, et al., 1936, 2 | DH |
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.
Parks, Todd, et al., 1936
Parks, G.S.; Todd, S.S.; Shomate, C.H.,
Thermal data on organic compounds. XVII. Some heat capacity, entropy and free energy data for five higher olefins,
J. Am. Chem. Soc., 1936, 58, 2505. [all data]
Parks and Huffman, 1931
Parks, G.S.; Huffman, H.M.,
Some fusion and transition data for hydrocarbons,
Ind. Eng. Chem., 1931, 23, 1138-9. [all data]
Malanowski, 2007
Malanowski, Stanislaw K.,
Vapor-Liquid Equilibrium for Benzaldehyde with 1-Methylethylbenzene and for 2-Methyl-propan-2-ol with 2,4,4-Trimethyl-1-pentene,
J. Chem. Eng. Data, 2007, 52, 1, 239-243, https://doi.org/10.1021/je060359o
. [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]
Camin and Rossini, 1960
Camin, D.L.; Rossini, F.D.,
Physical properties of to selected C7 and C8 alkene hydrocarbons,
J. Chem. Eng. Data, 1960, 5, 368. [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]
Camin and Rossini, 1960, 2
Camin, D.L.; Rossini, F.D.,
Physical Properties of 16 Selected C 7 and C 8 Alkene Hydrocarbons.,
J. Chem. Eng. Data, 1960, 5, 3, 368-372, https://doi.org/10.1021/je60007a037
. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Parks, Todd, et al., 1936, 2
Parks, G.S.; Todd, S.S.; Shomate, C.H.,
Thermal data on organic compounds. XVII. Some heat capacity, entropy and free energy data for five higher olefins,
J. Am. Chem. Soc., 1936, 58, 2505-2508. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point Ttriple Triple point temperature ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion 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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