Heptane, 2,2,4-trimethyl-
- Formula: C10H22
- Molecular weight: 142.2817
- IUPAC Standard InChIKey: IIYGOARYARWJBO-UHFFFAOYSA-N
- CAS Registry Number: 14720-74-2
- 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. - Other names: 2,2,4-Trimethylheptane
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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. |
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NIST MS number | 3827 |
Gas Chromatography
Go To: Top, 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. | 876. | Heinzen, Soares, et al., 1999 | |
Capillary | Squalane | 60. | 875.7 | Chretien and Dubois, 1976 | |
Capillary | Vacuum Grease Oil (VM-4) | 95. | 875.3 | Sultanov and Arustamova, 1975 | N2; Column length: 150. m; Column diameter: 0.25 mm |
Capillary | Squalane | 100. | 900. | Mitra, Mohan, et al., 1974 | H2; Column length: 50. m; Column diameter: 0.2 mm |
Capillary | Squalane | 60. | 876. | Matukuma, 1969 | N2; Column length: 91.4 m; Column diameter: 0.25 mm |
Kovats' RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 875. | Ramarathnam, Rubin, et al., 1993 | He, 30. C @ 2. min, 10. K/min, 280. C @ 3. min; Column length: 30. m; Column diameter: 0.13 mm |
Capillary | DB-5 | 875. | Ramarathnam, Rubin, et al., 1993, 2 | He, 30. C @ 2. min, 10. K/min, 280. C @ 3. min; Column length: 30. m; Column diameter: 0.13 mm |
Kovats' RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 889. | 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 | 874. | 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 | OV-101 | 889.9 | Yin, Liu, et al., 2001 | N2, 1. K/min; Column length: 80. m; Column diameter: 0.22 mm; Tstart: 30. C; Tend: 130. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-101 | 890. | Wu and Lu, 1984 | Program: not specified |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Polydimethyl siloxane: CP-Sil 5 CB | 884. | 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 | Petrocol DH | 883. | Supelco, 2012 | 100. m/0.25 mm/0.50 μm, Helium, 20. C @ 15. min, 15. K/min, 220. C @ 30. min |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-101 | 876. | Du and Liang, 2003 | Program: not specified |
Capillary | Polydimethyl siloxane | 876. | Junkes, Castanho, et al., 2003 | Program: not specified |
Capillary | Polydimethyl siloxanes | 890. | Yin, Guo, et al., 2001 | Program: not specified |
References
Go To: Top, 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.
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,
J. Chromatogr. A, 1999, 849, 2, 495-506, https://doi.org/10.1016/S0021-9673(99)00530-0
. [all data]
Chretien and Dubois, 1976
Chretien, J.R.; Dubois, J.-E.,
New Perspectives in the Prediction of Kovats Indices,
J. Chromatogr., 1976, 126, 171-189, https://doi.org/10.1016/S0021-9673(01)84071-1
. [all data]
Sultanov and Arustamova, 1975
Sultanov, N.T.; Arustamova, L.G.,
Determination of the boiling points of C10 isoalkanes in an n-decane isomerizate from gas chromatographic retention indices,
J. Chromatogr., 1975, 115, 2, 553-558, https://doi.org/10.1016/S0021-9673(01)98959-9
. [all data]
Mitra, Mohan, et al., 1974
Mitra, G.D.; Mohan, G.; Sinha, A.,
Gas chromatographic analysis of complex hydrocarbon mixtures,
J. Chromatogr. A, 1974, 91, 633-648, https://doi.org/10.1016/S0021-9673(01)97944-0
. [all data]
Matukuma, 1969
Matukuma, A.,
Retention indices of alkanes through C10 and alkenes through C8 and relation between boiling points and retention data,
Gas Chromatogr., Int. Symp. Anal. Instrum. Div Instrum Soc. Amer., 1969, 7, 55-75. [all data]
Ramarathnam, Rubin, et al., 1993
Ramarathnam, N.; Rubin, L.J.; Diosady, L.L.,
Studies on meat flavor. 3. A novel method for trapping volatile components from uncured and cured pork,
J. Agric. Food Chem., 1993, 41, 6, 933-938, https://doi.org/10.1021/jf00030a019
. [all data]
Ramarathnam, Rubin, et al., 1993, 2
Ramarathnam, N.; Rubin, L.J.; Diosady, L.L.,
Studies on meat flavor. 4. Fractionation, characterization, and quantitation of volatiles from uncured and cured beef and chicken,
J. Agric. Food Chem., 1993, 41, 6, 939-945, https://doi.org/10.1021/jf00030a020
. [all data]
Hoekman, 1993
Hoekman, S.K.,
Improved gas chromatography procedure for speciated hydrocarbon measurements of vehicle emissions,
J. Chromatogr., 1993, 639, 2, 239-253, https://doi.org/10.1016/0021-9673(93)80260-F
. [all data]
Korol and Lysyuk, 1980
Korol, A.N.; Lysyuk, L.S.,
A New Thermodynamic Method for Calculating the Retention Indices of Isoalkanes on Squalane,
Theor. Exp. Chem. (Engl. Transl.), 1980, 6, 577-584. [all data]
Yin, Liu, et al., 2001
Yin, C.; Liu, W.; Li, Z.; Pan, Z.; Lin, T.; Zhang, M.,
Chemometrics to chemical modeling: structural coding in hydrocarbons and retention indices of gas chromatography,
J. Sep. Sci., 2001, 24, 3, 213-220, https://doi.org/10.1002/1615-9314(20010301)24:3<213::AID-JSSC213>3.0.CO;2-4
. [all data]
Wu and Lu, 1984
Wu, J.; Lu, W.,
Hydrocarbon analysis by open-tubular column chromatography with programmed temperature for straight run gasoline,
Anal. Chem., 1984, 12, 7, 572-578. [all data]
Bramston-Cook, 2013
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]
Supelco, 2012
Supelco, CatalogNo. 24160-U,
Petrocol DH Columns. Catalog No. 24160-U, 2012, retrieved from http://www.sigmaaldrich.com/etc/medialib/docs/Supelco/Datasheet/1/w97949.Par.0001.File.tmp/w97949.pdf. [all data]
Du and Liang, 2003
Du, Y.; Liang, Y.,
Data mining for seeking accurate quantitative relationship between molecular structure and GC retention indices of alkanes by projection pursuit,
Comput. Biol. Chem., 2003, 27, 3, 339-353, https://doi.org/10.1016/S1476-9271(02)00081-6
. [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]
Yin, Guo, et al., 2001
Yin, C.; Guo, W.; Lin, T.; Liu, S.; Fu, R.; Pan, Z.; Wang, L.,
Application of wavelet neural network to the prediction of gas chromatographic retention indices of alkanes,
J. Chinese Chem. Soc., 2001, 48, 739-749. [all data]
Notes
Go To: Top, Mass spectrum (electron ionization), Gas Chromatography, References
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