1-Pentene, 4,4-dimethyl-
- Formula: C7H14
- Molecular weight: 98.1861
- IUPAC Standard InChIKey: KLCNJIQZXOQYTE-UHFFFAOYSA-N
- CAS Registry Number: 762-62-9
- 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-Dimethyl-4-pentene; 4,4-Dimethyl-1-pentene; (CH3)3CCH2CH=CH2; 4,4-dimethylpent-1-ene
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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 | Methyl Silicone | Squalane | Squalane | OV-101 | OV-101 |
Column length (m) | 150. | 93. | |||
Carrier gas | He | He | |||
Substrate | |||||
Column diameter (mm) | 0.250 | 0.250 | |||
Phase thickness (μm) | |||||
Temperature (C) | 30. | 30. | 25. | 40. | 60. |
I | 610.4 | 602.3 | 603. | 614. | 615. |
Reference | Soják, Addová, et al., 2002 | Soják, Addová, et al., 2002 | Hilal, Carreira, et al., 1994 | Laub and Purnell, 1988 | Laub and Purnell, 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 | Squalane | Squalane |
Column length (m) | 100. | 100. | 100. | 100. | |
Carrier gas | N2 | N2 | N2 | N2 | |
Substrate | |||||
Column diameter (mm) | 0.27 | 0.27 | 0.25 | 0.25 | |
Phase thickness (μm) | 0.9 | 0.9 | |||
Temperature (C) | 80. | 50. | 70. | 50. | 70. |
I | 617. | 614.5 | 615.9 | 604.9 | 606.6 |
Reference | Laub and Purnell, 1988 | Boneva and Dimov, 1986 | Boneva and Dimov, 1986 | Boneva and Dimov, 1986 | Boneva and Dimov, 1986 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Packed | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | DB-1 | HP-PONA | Squalane | Squalane | Squalane |
Column length (m) | 60. | 50. | 100. | ||
Carrier gas | H2 | H2 | N2 | ||
Substrate | |||||
Column diameter (mm) | 0.264 | 0.21 | 0.25 | ||
Phase thickness (μm) | 0.25 | 0.5 | |||
Temperature (C) | 40. | 40. | 80. | 50. | 50. |
I | 611. | 611. | 608. | 605. | 605. |
Reference | Lubeck and Sutton, 1984 | Lubeck and Sutton, 1984 | Chrétien and Dubois, 1977 | Chretien and Dubois, 1976 | Rijks and Cramers, 1974 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Packed | Packed | Packed |
---|---|---|---|---|---|
Active phase | Squalane | Squalane | Squalane | Squalane | Squalane |
Column length (m) | 100. | 91.4 | 15. | 15. | 15. |
Carrier gas | N2 | N2 | He | He | He |
Substrate | Chromosorb P | Chromosorb P | Chromosorb P | ||
Column diameter (mm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
Phase thickness (μm) | |||||
Temperature (C) | 70. | 40. | 27. | 49. | 67. |
I | 606. | 605. | 603. | 605. | 607. |
Reference | Rijks and Cramers, 1974 | Matukuma, 1969 | Hively and Hinton, 1968 | Hively and Hinton, 1968 | Hively and Hinton, 1968 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Packed |
---|---|
Active phase | Squalane |
Column length (m) | 15. |
Carrier gas | He |
Substrate | Chromosorb P |
Column diameter (mm) | 0.25 |
Phase thickness (μm) | |
Temperature (C) | 86. |
I | 609. |
Reference | Hively and Hinton, 1968 |
Comment | 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.
Soják, Addová, et al., 2002
Soják, L.; Addová, G.; Kubinec, R.; Kraus, A.; Hu, G.,
Gas chromatographic-mass spectrometric characterization of all acyclic C5-C7 alkenes from fluid catalytic cracked gasoline using polydimethylsiloxane and squalane stationary phases,
J. Chromatogr. A, 2002, 947, 1, 103-117, https://doi.org/10.1016/S0021-9673(01)01564-3
. [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]
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]
Boneva and Dimov, 1986
Boneva, S.; Dimov, N.,
Gas Chromatographic Retention Indices for Alkenes on OV-101 and Squalane Capillary Columns,
Chromatographia, 1986, 21, 3, 149-151, https://doi.org/10.1007/BF02311743
. [all data]
Lubeck and Sutton, 1984
Lubeck, A.J.; Sutton, D.L.,
Kovats Retention Indices of Selected Olefins on Bonded Phase Fused Silica Capillaries,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1984, 7, 9, 542-544, https://doi.org/10.1002/jhrc.1240070913
. [all data]
Chrétien and Dubois, 1977
Chrétien, J.R.; Dubois, J.E.,
Topological analysis of gas-liquid chromatographic behavior of alkenes,
Anal. Chem., 1977, 49, 6, 747-756, https://doi.org/10.1021/ac50014a021
. [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]
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]
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]
Hively and Hinton, 1968
Hively, R.A.; Hinton, R.E.,
Variation of the retention index with temperature on squalane substrates,
J. Gas Chromatogr., 1968, 6, 4, 203-217, https://doi.org/10.1093/chromsci/6.4.203
. [all data]
Notes
Go To: Top, Kovats' RI, non-polar column, isothermal, References
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