3-Heptanol, 5-methyl-
- Formula: C8H18O
- Molecular weight: 130.2279
- IUPAC Standard InChIKey: SECKOSOTZOBWEI-UHFFFAOYSA-N
- CAS Registry Number: 18720-65-5
- 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: 5-Methyl-3-heptanol; 5-methylheptan-3-ol
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Phase change data
Go To: Top, Mass spectrum (electron ionization), 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 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 | 426.55 | K | N/A | Dorough, Glass, et al., 1941 | Uncertainty assigned by TRC = 0.7 K; TRC |
Tboil | 428. | K | N/A | Powell and Secoy, 1931 | Uncertainty assigned by TRC = 3. K; TRC |
Tboil | 440.65 | K | N/A | Guerbet, 1912 | Uncertainty assigned by TRC = 5. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 621.2 ± 0.5 | K | N/A | Gude and Teja, 1995 | |
Tc | 621.2 | K | N/A | Lawrenson and Lee, 1978 | Uncertainty assigned by TRC = 0.3 K; Visual, decomp.; TRC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
11.1 | 345. | A | Stephenson and Malanowski, 1987 | Based on data from 330. to 427. K. See also Wilhoit and Zwolinski, 1973.; AC |
Mass spectrum (electron ionization)
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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
Spectrum
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Additional Data
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Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | NIST Mass Spectrometry Data Center, 1990. |
NIST MS number | 114330 |
Gas Chromatography
Go To: Top, Phase change data, Mass spectrum (electron ionization), 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
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-1 | 942. | Guan, Zheng, et al., 1992 | 50. m/0.32 mm/0.52 μm, H2, 1. K/min; Tstart: 30. C |
Capillary | OV-1 | 943. | Guan, Zheng, et al., 1992 | 50. m/0.32 mm/0.52 μm, H2, 2. K/min; Tstart: 35. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Polydimethyl siloxane | 944. | Junkes, Castanho, et al., 2003 | Program: not specified |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1296. | Souza, Re-Poppi, et al., 2012 | 30. m/0.25 mm/0.25 μm, Helium, 60. C @ 1. min, 5. K/min; Tend: 240. C |
References
Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Dorough, Glass, et al., 1941
Dorough, G.L.; Glass, H.B.; Gresham, T.L.; Malone, G.B.; Reid, E.E.,
Structure-property relationships in some isomeric octanols,
J. Am. Chem. Soc., 1941, 63, 3100. [all data]
Powell and Secoy, 1931
Powell, S.G.; Secoy, C.H.,
The Constitution of Homimesityl Oxide,
J. Am. Chem. Soc., 1931, 53, 765. [all data]
Guerbet, 1912
Guerbet, M.,
The effect of caustic potash on secondary alcohols,
Bull. Soc. Chim. Fr., 1912, 11, 276-84. [all data]
Gude and Teja, 1995
Gude, M.; Teja, A.S.,
Vapor-Liquid Critical Properties of Elements and Compounds. 4. Aliphatic Alkanols,
J. Chem. Eng. Data, 1995, 40, 1025-1036. [all data]
Lawrenson and Lee, 1978
Lawrenson, I.J.; Lee, D.A.,
Thermodynamic properties of organic oxygen compounds XLVIII. The critical temperature of some alkanols,
J. Chem. Thermodyn., 1978, 10, 1111. [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]
Guan, Zheng, et al., 1992
Guan, Y.; Zheng, P.; Zhou, L.,
Prediction, optimization of separation, and identification of unknown compounds in capillary gas chromatography,
J. Hi. Res. Chromatogr., 1992, 15, 1, 18-23, https://doi.org/10.1002/jhrc.1240150106
. [all data]
Junkes, Castanho, et al., 2003
Junkes, B.S.; Castanho, R.D.M.; Amboni, C.; Yunes, R.A.; Heinzen, V.E.F.,
Semiempirical Topological Index: A Novel Molecular Descriptor for Quantitative Structure-Retention Relationship Studies,
Internet Electronic Journal of Molecular Design, 2003, 2, 1, 33-49. [all data]
Souza, Re-Poppi, et al., 2012
Souza, J.B.G.; Re-Poppi, N.; Raposo, J.L.(Jr).,
Characterization of pyroligneous acid used in agriculture by gas chromatography - mass spectrometry (in press),
J. Braz. Chem. Soc., 2012, 00, 00, 1-8. [all data]
Notes
Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point Tc Critical temperature ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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