Heptane, 2,4-dimethyl-
- Formula: C9H20
- Molecular weight: 128.2551
- IUPAC Standard InChIKey: AUKVIBNBLXQNIZ-UHFFFAOYSA-N
- CAS Registry Number: 2213-23-2
- 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. - Species with the same structure:
- Other names: 2,4-Dimethylheptane
- Information on this page:
- Other data available:
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Phase change data
Go To: Top, IR Spectrum, 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 | 406. ± 1. | K | AVG | N/A | Average of 11 out of 12 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 10.3 | kcal/mol | N/A | Reid, 1972 | See also Labbauf, Greenshields, et al., 1961.; AC |
IR Spectrum
Go To: Top, Phase change data, 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Gas Phase Spectrum
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.
Additional Data
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Owner | NIST Standard Reference Data Program Collection (C) 2018 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 |
State | gas |
Instrument | HP-GC/MS/IRD |
Mass spectrum (electron ionization)
Go To: Top, Phase change data, IR Spectrum, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
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 | Japan AIST/NIMC Database- Spectrum MS-NW-3634 |
NIST MS number | 232177 |
Gas Chromatography
Go To: Top, Phase change data, IR Spectrum, 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
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Squalane | 100. | 821. | Heinzen, Soares, et al., 1999 | |
Capillary | Squalane | 25. | 821. | Hilal, Carreira, et al., 1994 | |
Capillary | OV-101 | 40. | 823. | Laub and Purnell, 1988 | |
Capillary | OV-101 | 60. | 824. | Laub and Purnell, 1988 | |
Capillary | OV-101 | 80. | 824. | Laub and Purnell, 1988 | |
Capillary | Squalane | 50. | 820.5 | Lunskii and Paizanskaya, 1988 | He; Column length: 50. m; Column diameter: 0.22 mm |
Capillary | Squalane | 70. | 821.2 | Lunskii and Paizanskaya, 1988 | He; Column length: 50. m; Column diameter: 0.22 mm |
Capillary | DB-1 | 60. | 824. | Lubeck and Sutton, 1983 | Column length: 60. m; Column diameter: 0.264 mm |
Capillary | DB-1 | 60. | 823.9 | Lubeck and Sutton, 1983 | 60. m/0.259 mm/1. μm |
Capillary | Squalane | 70. | 821.2 | Nabivach and Kirilenko, 1979 | N2; Column length: 50. m |
Capillary | Squalane | 70. | 823.0 | Nabivach and Kirilenko, 1979 | N2; Column length: 50. m |
Capillary | Squalane | 60. | 821.2 | Chretien and Dubois, 1976 | |
Capillary | Squalane | 100. | 822.5 | Lulova, Leont'eva, et al., 1976 | He; Column length: 120. m; Column diameter: 0.25 mm |
Capillary | Squalane | 100. | 822.5 | Lulova, Leont'eva, et al., 1976 | He; Column length: 120. m; Column diameter: 0.25 mm |
Capillary | Vacuum Grease Oil (VM-4) | 95. | 822.1 | Sultanov and Arustamova, 1975 | N2; Column length: 150. m; Column diameter: 0.25 mm |
Capillary | Vacuum Grease Oil (VM-4) | 35. | 816. | Sidorov, Petrova, et al., 1972 | |
Capillary | Vacuum Grease Oil (VM-4) | 45. | 817. | Sidorov, Petrova, et al., 1972 | |
Capillary | Vacuum Grease Oil (VM-4) | 50. | 817. | Sidorov, Petrova, et al., 1972 | |
Capillary | Vacuum Grease Oil (VM-4) | 58. | 818. | Sidorov, Petrova, et al., 1972 | |
Capillary | Vacuum Grease Oil (VM-4) | 68. | 819. | Sidorov, Petrova, et al., 1972 | |
Packed | Squalane | 50. | 821.5 | Takács, Szita, et al., 1971 | N2, Chromosorb W; Column length: 3. m |
Packed | SE-30 | 80. | 823. | Mitra and Saha, 1970 | N2 |
Packed | Squalane | 80. | 822. | Mitra and Saha, 1970 | N2 |
Capillary | Squalane | 60. | 821. | Matukuma, 1969 | N2; Column length: 91.4 m; Column diameter: 0.25 mm |
Packed | Squalane | 49. | 820. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 67. | 821. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 86. | 821. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Capillary | Squalane | 80. | 822. | Schomburg, 1967 | Ar; Column length: 100. m |
Capillary | Squalane | 30. | 821. | Tourres, 1967 | H2; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 50. | 822. | Tourres, 1967 | H2; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 70. | 822. | Tourres, 1967 | H2; Column length: 100. m; Column diameter: 0.25 mm |
Kovats' RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 820.13 | Wang, Fingas, et al., 1994 | 30. m/0.32 mm/0.25 μm, He, 50. C @ 2. min, 6. K/min; Tend: 300. C |
Capillary | SE-54 | 821. | Rembold, Wallner, et al., 1989 | 30. m/0.25 mm/0.25 μm, He, 0. C @ 12. min, 12. K/min; Tend: 250. C |
Capillary | OV-101 | 821. | Hayes and Pitzer, 1982 | 110. m/0.25 mm/0.20 μm, He, 1. K/min; Tstart: 35. C; Tend: 200. C |
Capillary | Apiezon L | 816. | Louis, 1971 | N2, 1. K/min; Column length: 50. m; Column diameter: 0.25 mm; Tstart: 60. C |
Kovats' RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Petrocol DH-100 | 837. | Haagen-Smit Laboratory, 1997 | He; Column length: 100. m; Column diameter: 0.2 mm; Program: 5C(10min) => 5C/min => 50C(48min) => 1.5C/min => 195C(91min) |
Capillary | DB-1 | 826. | Hoekman, 1993 | 60. m/0.32 mm/1.0 μm, He; Program: -40 C for 12 min; -40 - 125 C at 3 deg.min; 125-185 C at 6 deg/min; 185 - 220 C at 20 deg/min; hold 220 C for 2 min |
Capillary | Squalane | 821. | Korol and Lysyuk, 1980 | Program: not specified |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 822.2 | Xu, van Stee, et al., 2003 | 30. m/0.25 mm/1. μm, He, 2.5 K/min; Tstart: 50. C; Tend: 200. C |
Capillary | OV-101 | 823.1 | Yin, Liu, et al., 2001 | N2, 1. K/min; Column length: 80. m; Column diameter: 0.22 mm; Tstart: 30. C; Tend: 130. C |
Capillary | Petrocol DH | 822.09 | Subramaniam, Bochniak, et al., 1994 | 100. m/0.25 mm/0.5 μm, He, 1. K/min; Tstart: 30. C; Tend: 220. C |
Capillary | Petrocol DH | 822.21 | Subramaniam, Bochniak, et al., 1994 | 100. m/0.25 mm/0.5 μm, He, 1. K/min; Tstart: 30. C; Tend: 220. C |
Capillary | SE-30 | 820.8 | Krupcík, Repka, et al., 1987 | 60. m/0.25 mm/1. μm, H2, 1. K/min; Tstart: 60. C |
Capillary | OV-101 | 821. | Hayes and Pitzer, 1981 | 108. m/0.25 mm/0.2 μm, 1. K/min; Tstart: 35. C; Tend: 200. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-101 | 823. | Wu and Lu, 1984 | Program: not specified |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | OV-101 | 50. | 823. | Wu and Lu, 1984, 2 | |
Capillary | OV-101 | 70. | 824. | Wu and Lu, 1984, 2 | |
Capillary | Squalane | 70. | 822. | Schomburg, 1966 |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Polydimethyl siloxane: CP-Sil 5 CB | 823. | Bramston-Cook, 2013 | 60. m/0.25 mm/1.0 μm, Helium, 45. C @ 1.45 min, 3.6 K/min, 210. C @ 2.72 min |
Capillary | Optima-5 MS | 824. | Goeminne, Vandendriessche, et al., 2012 | 30. m/0.25 mm/0.25 μm, Helium, 35. C @ 3. min, 10. K/min, 250. C @ 5. min |
Capillary | Petrocol DH | 824. | Supelco, 2012 | 100. m/0.25 mm/0.50 μm, Helium, 20. C @ 15. min, 15. K/min, 220. C @ 30. min |
Capillary | Petrocol DH | 830. | Supelco, 2012 | 100. m/0.25 mm/0.50 μm, Helium, 20. C @ 15. min, 15. K/min, 220. C @ 30. min |
Capillary | PONA | 825. | Zhang, Ding, et al., 2009 | 50. m/0.20 mm/0.50 μm, Nitrogen, 35. C @ 15. min, 2. K/min, 200. C @ 10. min |
Capillary | Petrocol DH | 823. | Sojak, Kubinec, et al., 2006 | 150. m/0.25 mm/1.0 μm, 1. K/min; Tstart: 40. C; Tend: 300. C |
Capillary | ZB-5 | 803. | Jürgens and Dötterl, 2004 | 60. m/0.25 mm/0.25 μm, He, 40. C @ 4.6 min, 6. K/min, 260. C @ 1. min |
Capillary | SPB-5 | 823. | Poligné, Collignan, et al., 2001 | 60. m/0.32 mm/1. μm, He, 3. K/min; Tstart: 40. C; Tend: 200. C |
Capillary | BP-1 | 824. | Health Safety Executive, 2000 | 50. m/0.22 mm/0.75 μm, He, 5. K/min; Tstart: 50. C; Tend: 200. C |
Capillary | OV-101 | 823. | Orav, Kailas, et al., 1999 | 50. m/0.20 mm/0.50 μm, Helium, 30. C @ 6. min, 1. K/min; Tend: 100. C |
Capillary | SE-54 | 826. | Guan, Li, et al., 1995 | 60. C @ 2. min, 4. K/min; Column length: 50. m; Column diameter: 0.32 mm; Tend: 200. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Methyl Silicone | 821. | Chen and Feng, 2007 | Program: not specified |
Capillary | DB-5 MS | 818. | Liu, Xu, et al., 2007 | 60. m/0.32 mm/1.0 μm, Helium; Program: 40 0C (2 min) 6 0C/min -> 100 0C 4 0C/min -> 180 0C 8 0C/min -> 250 0C (12 min) |
Capillary | OV-101 | 821. | Du and Liang, 2003 | Program: not specified |
Capillary | Polydimethyl siloxane | 821. | Junkes, Castanho, et al., 2003 | Program: not specified |
Capillary | Polydimethyl siloxanes | 823. | Yin, Guo, et al., 2001 | Program: not specified |
Capillary | BPX-5 | 837. | Madruga, Arruda, et al., 2000 | 50. m/0.32 mm/0.50 μm, Helium; Program: 40 0C (5 min) 20 0C/min -> 60 0C (5 min) 4 0C/min -> 250 0C (10 min) |
Capillary | DB-1 | 825. | Ciccioli, Cecinato, et al., 1994 | 60. m/0.32 mm/0.25 μm; Program: not specified |
Capillary | Squalane | 818. | Petrov, 1984 | Program: not specified |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | RTX-Wax | 797. | Galindo-Cuspinera, Lubran, et al., 2002 | 60. m/0.25 mm/0.5 μm, He, 40. C @ 5. min, 5. K/min, 180. C @ 20. min |
References
Go To: Top, Phase change data, IR Spectrum, 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.
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,
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Labbauf, Greenshields, et al., 1961
Labbauf, A.; Greenshields, J.B.; Rossini, F.D.,
Heats of formation, combustion, and vaporization of the 35 nonanes and 75 decanes,
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Heinzen, Soares, et al., 1999
Heinzen, V.E.F.; Soares, M.F.; Yunes, R.A.,
Semi-empirical topological method for the prediction of the chromatographic retention of cis- and trans-alkene isomers and alkanes,
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Hilal, Carreira, et al., 1994
Hilal, S.H.; Carreira, L.A.; Karickhoff, S.W.; Melton, C.M.,
Estimation of Gas-Liquid Chromatographic Retention Times from Molecular Structure,
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Specific retention volumes, retention indices, and family-plot regressions of aliphatic, alicyclic, and aromatic hydrocarbon solutes with OV-101 poly (dimethylsiloxane) stationary phase,
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Kovats retention indices of selected hydrocarbons through C10 on bonded phase fused silica capillaries,
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The use of retention indices for identifying the components of crude benzene,
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Chretien, J.R.; Dubois, J.-E.,
New Perspectives in the Prediction of Kovats Indices,
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Lulova, N.I.; Leont'eva, S.A.; Timofeeva, A.N.,
Gas-chromatographic method of determination of individual hydrocarbons in catalytic cracking gasolines
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Determination of the boiling points of C10 isoalkanes in an n-decane isomerizate from gas chromatographic retention indices,
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Schomburg, G.,
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Bramston-Cook, R.,
Kovats indices for C2-C13 hydrocarbons and selected oxygenated/halocarbons with 100 % dimethylpolysiloxane columns, 2013, retrieved from http://lotusinstruments.com/monographs/List .... [all data]
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Notes
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- Symbols used in this document:
Tboil Boiling point ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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