Hexane, 2,2,5-trimethyl-
- Formula: C9H20
- Molecular weight: 128.2551
- IUPAC Standard InChIKey: HHOSMYBYIHNXNO-UHFFFAOYSA-N
- CAS Registry Number: 3522-94-9
- 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: 2,2,5-Trimethylhexane
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Kovats' RI, non-polar column, isothermal
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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | Squalane | OV-101 | OV-101 | Squalane | BP-1 |
Column length (m) | 20. | 20. | 15. | ||
Carrier gas | N2 | ||||
Substrate | |||||
Column diameter (mm) | 0.5 | 0.5 | 0.53 | ||
Phase thickness (μm) | 1.0 | ||||
Temperature (C) | 100. | 150. | 180. | 25. | 0. |
I | 791. | 787.5 | 792.5 | 775. | 778. |
Reference | Heinzen, Soares, et al., 1999 | Cha and Lee, 1994 | Cha and Lee, 1994 | Hilal, Carreira, et al., 1994 | Skrbic and Cvejanov, 1992 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | OV-101 | OV-101 | OV-101 | Squalane | Squalane |
Column length (m) | 50. | 50. | |||
Carrier gas | He | He | |||
Substrate | |||||
Column diameter (mm) | 0.22 | 0.22 | |||
Phase thickness (μm) | |||||
Temperature (C) | 40. | 60. | 80. | 50. | 70. |
I | 783. | 784. | 785. | 776. | 777.1 |
Reference | Laub and Purnell, 1988 | Laub and Purnell, 1988 | Laub and Purnell, 1988 | Lunskii and Paizanskaya, 1988 | Lunskii and Paizanskaya, 1988 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | OV-101 | OV-101 | OV-101 | OV-101 | OV-101 |
Column length (m) | |||||
Carrier gas | |||||
Substrate | |||||
Column diameter (mm) | |||||
Phase thickness (μm) | |||||
Temperature (C) | 30. | 40. | 50. | 60. | 70. |
I | 782. | 783. | 784. | 784. | 784. |
Reference | Chien, Furio, et al., 1983 | Chien, Furio, et al., 1983 | Chien, Furio, et al., 1983 | Chien, Furio, et al., 1983 | Chien, Furio, et al., 1983 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | OV-101 | DB-1 | DB-1 | OV-101 | OV-101 |
Column length (m) | 60. | 60. | 100. | 55. | |
Carrier gas | |||||
Substrate | |||||
Column diameter (mm) | 0.264 | 0.259 | 0.27 | 0.27 | |
Phase thickness (μm) | 1. | 0.20 | 0.9 | ||
Temperature (C) | 80. | 60. | 60. | 50. | 50. |
I | 785. | 785.1 | 785. | 784. | 784. |
Reference | Chien, Furio, et al., 1983 | Lubeck and Sutton, 1983 | Lubeck and Sutton, 1983 | Johansen and Ettre, 1982 | Johansen and Ettre, 1982 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | OV-1 | SE-30 | SF-96 | OV-1 | OV-1 |
Column length (m) | 17.5 | 17.5 | 91.4 | ||
Carrier gas | H2 | H2 | |||
Substrate | |||||
Column diameter (mm) | 0.2 | 0.2 | 0.31 | ||
Phase thickness (μm) | 0.15 | 0.15 | 0.20 | ||
Temperature (C) | 50. | 50. | 50. | 30. | 40. |
I | 786. | 784. | 784. | 784.8 | 785.3 |
Reference | Johansen and Ettre, 1982 | Johansen and Ettre, 1982 | Johansen and Ettre, 1982 | Chien, Kopecni, et al., 1981 | Chien, Kopecni, et al., 1981 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | OV-1 | OV-1 | OV-1 | OV-1 | SE-30 |
Column length (m) | |||||
Carrier gas | H2 | H2 | H2 | H2 | H2 |
Substrate | |||||
Column diameter (mm) | |||||
Phase thickness (μm) | |||||
Temperature (C) | 50. | 60. | 70. | 80. | 30. |
I | 785.5 | 786.1 | 786.7 | 787.2 | 784.7 |
Reference | Chien, Kopecni, et al., 1981 | Chien, Kopecni, et al., 1981 | Chien, Kopecni, et al., 1981 | Chien, Kopecni, et al., 1981 | Chien, Kopecni, et al., 1981 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | SE-30 | SE-30 | SE-30 | SE-30 | SE-30 |
Column length (m) | |||||
Carrier gas | H2 | H2 | H2 | H2 | H2 |
Substrate | |||||
Column diameter (mm) | |||||
Phase thickness (μm) | |||||
Temperature (C) | 40. | 50. | 60. | 70. | 80. |
I | 784.4 | 784.3 | 784.1 | 783.9 | 783.6 |
Reference | Chien, Kopecni, et al., 1981 | Chien, Kopecni, et al., 1981 | Chien, Kopecni, et al., 1981 | Chien, Kopecni, et al., 1981 | Chien, Kopecni, et al., 1981 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | Squalane | Squalane | Squalane | Vacuum Grease Oil (VM-4) | Squalane |
Column length (m) | 50. | 150. | 100. | ||
Carrier gas | N2 | N2 | N2 | ||
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | |||
Phase thickness (μm) | |||||
Temperature (C) | 70. | 60. | 60. | 95. | 50. |
I | 777.4 | 777. | 777.3 | 774.9 | 776. |
Reference | Nabivach and Kirilenko, 1979 | Chretien and Dubois, 1976 | Chretien and Dubois, 1976 | Sultanov and Arustamova, 1975 | Rijks and Cramers, 1974 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Packed |
---|---|---|---|---|---|
Active phase | Squalane | OV-101 | OV-101 | Squalane | SE-30 |
Column length (m) | 100. | 25. | 25. | 100. | 6.1 |
Carrier gas | N2 | N2 | N2 | N2 | |
Substrate | Chromosorb W | ||||
Column diameter (mm) | 0.25 | 0.25 | 0.25 | 0.25 | |
Phase thickness (μm) | 1.39 | 1.39 | |||
Temperature (C) | 70. | 50. | 60. | 70. | 75. |
I | 778. | 784. | 785. | 776.7 | 786. |
Reference | Rijks and Cramers, 1974 | Pacáková, Hoch, et al., 1973 | Pacáková, Hoch, et al., 1973 | Dimov and Schopov, 1971 | Robinson and Odell, 1971 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Packed | Packed | Packed | Capillary | Packed |
---|---|---|---|---|---|
Active phase | Squalane | SE-30 | Squalane | Squalane | Squalane |
Column length (m) | 3.0 | 91.4 | 10. | ||
Carrier gas | N2 | N2 | N2 | N2 | H2 |
Substrate | Embacel | ||||
Column diameter (mm) | 0.25 | ||||
Phase thickness (μm) | |||||
Temperature (C) | 100. | 80. | 80. | 60. | 30. |
I | 779. | 783. | 778. | 777. | 775. |
Reference | Robinson and Odell, 1971 | Mitra and Saha, 1970 | Mitra and Saha, 1970 | Matukuma, 1969 | Tourres, 1967 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Packed | Capillary | Capillary | Capillary | Packed |
---|---|---|---|---|---|
Active phase | Squalane | Squalane | Squalane | Squalane | Squalane |
Column length (m) | 10. | 100. | 100. | 100. | 1.8 |
Carrier gas | H2 | H2 | H2 | H2 | |
Substrate | Untreated celite | ||||
Column diameter (mm) | 0.25 | 0.25 | 0.25 | ||
Phase thickness (μm) | |||||
Temperature (C) | 50. | 30. | 50. | 70. | 100. |
I | 776.5 | 775. | 777. | 778. | 779. |
Reference | Tourres, 1967 | Tourres, 1967, 2 | Tourres, 1967, 2 | Tourres, 1967, 2 | Evans, 1966 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Packed | Packed | Packed |
---|---|---|---|
Active phase | Squalane | Squalane | Squalane |
Column length (m) | 1.8 | 1.8 | 1.8 |
Carrier gas | |||
Substrate | Untreated celite | Untreated celite | Untreated celite |
Column diameter (mm) | |||
Phase thickness (μm) | |||
Temperature (C) | 22. | 60. | 80. |
I | 775. | 777. | 778. |
Reference | Evans, 1966 | Evans, 1966 | Evans, 1966 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI |
References
Go To: Top, Kovats' RI, non-polar column, isothermal, 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]
Cha and Lee, 1994
Cha, K.-W.; Lee, D.-J.,
Prediction of retention indices of various compounds in gas-liquid chromatography,
J. Korean Chem. Soc., 1994, 38, 2, 108-120, retrieved from http://journal.kcsnet.or.kr/publi/dh/dh94n2/108.pdf. [all data]
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,
J. Chromatogr. A, 1994, 662, 2, 269-280, https://doi.org/10.1016/0021-9673(94)80515-6
. [all data]
Skrbic and Cvejanov, 1992
Skrbic, B.D.; Cvejanov, J.Dj.,
Unified retention indices of hydrocarbons on BP-1 dimethylsiloxane stationary phase,
Chromatographia, 1992, 34, 1/2, 83-84, https://doi.org/10.1007/BF02290465
. [all data]
Laub and Purnell, 1988
Laub, R.J.; Purnell, J.H.,
Specific retention volumes, retention indices, and family-plot regressions of aliphatic, alicyclic, and aromatic hydrocarbon solutes with OV-101 poly (dimethylsiloxane) stationary phase,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1988, 11, 9, 649-660, https://doi.org/10.1002/jhrc.1240110908
. [all data]
Lunskii and Paizanskaya, 1988
Lunskii, M.Kh.; Paizanskaya, I.L.,
Identification of hydrocarbons C1-C9 of petrol fractions of oils and condensates in the use of capillary columns with dinonylphthalate,
Zh. Anal. Khim., 1988, 43, 127-135. [all data]
Chien, Furio, et al., 1983
Chien, C.-F.; Furio, D.L.; Kopecni, M.M.; Laub, R.J.,
Specific Retention Volumes and Retention Indices of Selected Hydrocarbon Solutes with OV-101 and SP-2100 Polydimethylsiloxane Solvents,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1983, 6, 10, 577-580, https://doi.org/10.1002/jhrc.1240061013
. [all data]
Lubeck and Sutton, 1983
Lubeck, A.J.; Sutton, DL.,
Kovats retention indices of selected hydrocarbons through C10 on bonded phase fused silica capillaries,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1983, 6, 6, 328-332, https://doi.org/10.1002/jhrc.1240060612
. [all data]
Johansen and Ettre, 1982
Johansen, N.G.; Ettre, L.S.,
Retention index values of hydrocarbons on open-tubular columns coated with methylsilicone liquid phases,
Chromatographia, 1982, 15, 10, 625-630, https://doi.org/10.1007/BF02279488
. [all data]
Chien, Kopecni, et al., 1981
Chien, C.-F.; Kopecni, M.M.; Laub, R.J.,
Specific Retention Volumes and Retention Indices of Selected Hydrocarbon Solutes with OV-1 and SE-30 Polydimethylsiloxane Solvents,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1981, 4, 10, 539-543, https://doi.org/10.1002/jhrc.1240041017
. [all data]
Nabivach and Kirilenko, 1979
Nabivach, V.M.; Kirilenko, A.V.,
The use of retention indices for identifying the components of crude benzene,
Solid Fuel Chem. (Engl. Transl.), 1979, 13, 3, 82-87. [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]
Rijks and Cramers, 1974
Rijks, J.A.; Cramers, C.A.,
High precision capillary gas chromatography of hydrocarbons,
Chromatographia, 1974, 7, 3, 99-106, https://doi.org/10.1007/BF02269819
. [all data]
Pacáková, Hoch, et al., 1973
Pacáková, V.; Hoch, K.; Smolková, E.,
The Effect of Instrumentation on the Precision of Retention Indexes,
Chromatographia, 1973, 6, 7, 320-324, https://doi.org/10.1007/BF02269334
. [all data]
Dimov and Schopov, 1971
Dimov, N.; Schopov, D.,
Empirische korrektion der physikalisch-chemischen retentionsindexe von kohlenwasserstoffen auf squalan,
J. Chromatogr., 1971, 63, 223-228, https://doi.org/10.1016/S0021-9673(01)85634-X
. [all data]
Robinson and Odell, 1971
Robinson, P.G.; Odell, A.L.,
A system of standard retention indices and its uses. The characterisation of stationary phases and the prediction of retention indices,
J. Chromatogr., 1971, 57, 1-10, https://doi.org/10.1016/0021-9673(71)80001-8
. [all data]
Mitra and Saha, 1970
Mitra, G.D.; Saha, N.C.,
Determination of Retention Indices of Saturated Hydrocarbons by Graphical Methods,
J. Chromatogr. Sci., 1970, 8, 2, 95-102, https://doi.org/10.1093/chromsci/8.2.95
. [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]
Tourres, 1967
Tourres, D.A.,
Structural analysis of industrial butene dimers by gas chromatography,
J. Gas Chromatogr., 1967, 5, 1, 35-40, https://doi.org/10.1093/chromsci/5.1.35
. [all data]
Tourres, 1967, 2
Tourres, D.A.,
Structure moléculaire et rétention en chromatographie en phase gazeuse. Influence de la température sur l'indice de rétention d'alcanes isomères,
J. Chromatogr., 1967, 30, 357-377, https://doi.org/10.1016/S0021-9673(00)84168-0
. [all data]
Evans, 1966
Evans, M.B.,
Retention indices of solutes on squalane, dinonyl phthalate, and polyethylene glycol 400,
J. Gas Chromatogr., 1966, 4, 1, 1-3, https://doi.org/10.1093/chromsci/4.1.1
. [all data]
Notes
Go To: Top, Kovats' RI, non-polar column, isothermal, References
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