2-Heptanol, 6-methyl-
- Formula: C8H18O
- Molecular weight: 130.2279
- IUPAC Standard InChIKey: FCOUHTHQYOMLJT-UHFFFAOYSA-N
- CAS Registry Number: 4730-22-7
- 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. - Other names: 2-Methylheptan-6-ol; 6-Methyl-2-heptanol; NSC 75858; 6-methylheptan-2-ol
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Condensed phase thermochemistry data
Go To: Top, Phase change data, Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Eugene S. Domalski and Elizabeth D. Hearing
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
75.31 | 298.5 | Cline and Andrews, 1931 | T = 102 to 298 K. Value is unsmoothed experimental datum. |
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 | 445. ± 1. | K | AVG | N/A | Average of 8 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 212. | K | N/A | Buelens, 1908 | Uncertainty assigned by TRC = 5. K; TRC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
13.2 | 369. | A | Stephenson and Malanowski, 1987 | Based on data from 354. to 445. K. See also Wilhoit and Zwolinski, 1973.; AC |
Gas Chromatography
Go To: Top, Condensed phase thermochemistry data, Phase change data, References, Notes
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
Kovats' RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-101 | 960. | Ohnishi and Shibamoto, 1984 | 2. K/min; Column length: 50. m; Column diameter: 0.23 mm; Tstart: 80. C; Tend: 200. C |
Capillary | OV-101 | 960. | Ohnishi and Shibamoto, 1984 | 2. K/min; Column length: 50. m; Column diameter: 0.23 mm; Tstart: 80. C; Tend: 200. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Methyl Silicone | 951. | Feng and Mu, 2007 | Program: not specified |
Capillary | Methyl Silicone | 951. | Estrada and Gutierrez, 1999 | Program: not specified |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1379. | Tanaka, Yamauchi, et al., 2003 | 30. m/0.25 mm/0.25 μm, 30. C @ 1. min, 4. K/min; Tend: 250. C |
Capillary | DB-Wax | 1381. | Tanaka, Yamauchi, et al., 2003 | 30. m/0.25 mm/0.25 μm, 30. C @ 1. min, 4. K/min; Tend: 250. C |
Capillary | Carbowax 20M | 1352. | Kawakami and Kobayashi, 1991 | He, 60. C @ 4. min, 2. K/min; Column length: 50. m; Column diameter: 0.25 mm; Tend: 180. C |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1365. | Peng, Yang, et al., 1991 | Program: not specified |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Cline and Andrews, 1931
Cline, J.K.; Andrews, D.H.,
Thermal energy studies. III. The octanols,
J. Am. Chem. Soc., 1931, 53, 3668-3673. [all data]
Buelens, 1908
Buelens, A.,
Bull. Cl. Sci., 1908, 1908, 921-9. [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]
Wilhoit and Zwolinski, 1973
Wilhoit, R.C.; Zwolinski, B.J.,
Physical and thermodynamic properties of aliphatic alcohols,
J. Phys. Chem. Ref. Data Suppl., 1973, 1, 2, 1. [all data]
Ohnishi and Shibamoto, 1984
Ohnishi, S.; Shibamoto, T.,
Volatile compounds from heated beef fat and beef fat with glycine,
J. Agric. Food Chem., 1984, 32, 5, 987-992, https://doi.org/10.1021/jf00125a008
. [all data]
Feng and Mu, 2007
Feng, H.; Mu, L.-L.,
Quantitative structure-retention relationships for alkane and its derivatives based on electrotopological state index and molecular shape index,
Chem. Ind. Engineering (Chinese), 2007, 24, 2, 161-168. [all data]
Estrada and Gutierrez, 1999
Estrada, E.; Gutierrez, Y.,
Modeling chromatographic parameters by a novel graph theoretical sub-structural approach,
J. Chromatogr. A, 1999, 858, 2, 187-199, https://doi.org/10.1016/S0021-9673(99)00808-0
. [all data]
Tanaka, Yamauchi, et al., 2003
Tanaka, T.; Yamauchi, T.; Katsumata, R.; Kiuchi, K.,
Comparison of volatile components in commercial Itohiki-Natto by solid phase microextraction and gas chromatography,
Nippon Shokuhin Kagaku Kogaku Kaishi, 2003, 50, 6, 278-285, https://doi.org/10.3136/nskkk.50.278
. [all data]
Kawakami and Kobayashi, 1991
Kawakami, M.; Kobayashi, A.,
Volatitle constituents of greem mate and roasted mate,
J. Agric. Food Chem., 1991, 39, 7, 1275-1279, https://doi.org/10.1021/jf00007a016
. [all data]
Peng, Yang, et al., 1991
Peng, C.T.; Yang, Z.C.; Ding, S.F.,
Prediction of rentention idexes. II. Structure-retention index relationship on polar columns,
J. Chromatogr., 1991, 586, 1, 85-112, https://doi.org/10.1016/0021-9673(91)80028-F
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas Chromatography, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid 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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