Benzene, 1-ethyl-2,4-dimethyl-
- Formula: C10H14
- Molecular weight: 134.2182
- IUPAC Standard InChIKey: MEMBJMDZWKVOTB-UHFFFAOYSA-N
- CAS Registry Number: 874-41-9
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
View 3d structure (requires JavaScript / HTML 5) - Other names: m-Xylene, 4-ethyl-; 1-Ethyl-2,4-dimethylbenzene; 1,3-Dimethyl-4-ethylbenzene; 4-Ethyl-m-xylene; 2,4-Dimethyl-1-ethylbenzene; 4-Ethyl-1,3-dimethylbenzene
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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 | OV-1 | CP Sil 2 | HP-1 | HP-1 | OV-1 |
Column length (m) | 50. | 100. | 25. | 25. | 52. |
Carrier gas | N2 | N2 | N2 | ||
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | 0.20 | 0.20 | 0.25 |
Phase thickness (μm) | 0.25 | 0.38 | |||
Temperature (C) | 100. | 80. | 100. | 100. | 100. |
I | 1070.8 | 1074.2 | 1068. | 1069. | 1069.0 |
Reference | Zhu, Zhang, et al., 1999 | Estel, Mohnke, et al., 1995 | Zhang, Li, et al., 1992 | Zhang, Li, et al., 1992 | Matisová and Kurán, 1990 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | OV-1 | PONA | OV-101 | OV-101 | Apolane |
Column length (m) | 52. | 50. | 50. | 278. | 200. |
Carrier gas | H2 | H2 | He | N2 | N2 |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.2 | 0.20 | 0.25 | 0.25 |
Phase thickness (μm) | 0.38 | 0.5 | |||
Temperature (C) | 100. | 100. | 100. | 120. | 120. |
I | 1068.7 | 1069.6 | 1069. | 1075. | 1096. |
Reference | Matisová and Kurán, 1990 | Matisová and Kurán, 1990 | Matisová, Kovacicová, et al., 1989 | Matisová, Moravcová, et al., 1988 | Matisová, Moravcová, et al., 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 | SE-30 |
Column length (m) | 278. | 278. | 278. | 278. | 15. |
Carrier gas | H2 | H2 | H2 | H2 | N2 |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
Phase thickness (μm) | |||||
Temperature (C) | 100. | 100. | 100. | 100. | 70. |
I | 1069. | 1069. | 1070. | 1071. | 1061.7 |
Reference | Matisová, Rukríglová, et al., 1988 | Matisová, Rukríglová, et al., 1988 | Matisová, Rukríglová, et al., 1988 | Matisová, Rukríglová, et al., 1988 | Tóth, 1983 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Packed | Packed |
---|---|---|---|---|---|
Active phase | Squalane | Squalane | Squalane | SE-30 | SE-30 |
Column length (m) | 50. | 100. | 100. | 6.1 | 6.1 |
Carrier gas | N2 | N2 | H2 | N2 | N2 |
Substrate | Chrom W | Chrom W | |||
Column diameter (mm) | 0.23 | 0.25 | |||
Phase thickness (μm) | |||||
Temperature (C) | 86. | 100. | 80. | 120. | 130. |
I | 1061.8 | 1066. | 1060.40 | 1085. | 1089. |
Reference | Nabivach and Kirilenko, 1979 | Engewald and Wennrich, 1976 | Soják and Rijks, 1976 | Mitra, Mohan, et al., 1974 | Mitra, Mohan, et al., 1974 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Packed | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | SE-30 | Squalane | Squalane | SE-30 | Squalane |
Column length (m) | 6.1 | 50. | 50. | 25.5 | 10.5 |
Carrier gas | N2 | H2 | H2 | He | He |
Substrate | Chrom W | ||||
Column diameter (mm) | 0.2 | 0.2 | 0.5 | 0.25 | |
Phase thickness (μm) | |||||
Temperature (C) | 140. | 100. | 100. | 65. | 100. |
I | 1093. | 1065. | 1080. | 1060.5 | 1066.6 |
Reference | Mitra, Mohan, et al., 1974 | Mitra, Mohan, et al., 1974, 2 | Mitra, Mohan, et al., 1974, 2 | Svob and Deur-Siftar, 1974 | Svob and Deur-Siftar, 1974 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary |
---|---|
Active phase | Squalane |
Column length (m) | 200. |
Carrier gas | N2 |
Substrate | |
Column diameter (mm) | 0.2 |
Phase thickness (μm) | |
Temperature (C) | 115. |
I | 1070.8 |
Reference | Soják and Bucinská, 1970 |
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.
Zhu, Zhang, et al., 1999
Zhu, X.; Zhang, L.; Chen, J.; Wang, L.; Che, X.,
The application quantitative structure-retention relationship of GC to aid MS qualitative analysis,
Chin. J. Chromatogr., 1999, 17, 4, 351-353. [all data]
Estel, Mohnke, et al., 1995
Estel, D.; Mohnke; Biermans; Rotzsche,
The analysis of C4-C11 hydrocarbons in naphtha and reformate with a new apolar fused silica column,
J. Hi. Res. Chromatogr., 1995, 18, 7, 403-412, https://doi.org/10.1002/jhrc.1240180703
. [all data]
Zhang, Li, et al., 1992
Zhang, M.J.; Li, S.D.; Chen, B.J.,
Compositional studies of high-temperature coal tar by GC/FTIR analysis of light oil fractions,
Chromatographia, 1992, 33, 3/4, 138-146, https://doi.org/10.1007/BF02275894
. [all data]
Matisová and Kurán, 1990
Matisová, E.; Kurán, P.,
Reproducibility of retention indices measurement of alkylbenzenes on crosslinked methyl silicone phase fused silica capillaries,
Chromatographia, 1990, 30, 5/6, 328-332, https://doi.org/10.1007/BF02319717
. [all data]
Matisová, Kovacicová, et al., 1989
Matisová, E.; Kovacicová, E.; Ha, P.T.; Kolek, E.; Engewald, W.,
Identification of alkylbenzenes up to C12 by capillary gas chromatography-mass spectrometry. II. Retention indices on OV-101 columns and retention-molecular structure correlations,
J. Chromatogr., 1989, 475, 2, 113-123, https://doi.org/10.1016/S0021-9673(01)89667-9
. [all data]
Matisová, Moravcová, et al., 1988
Matisová, E.; Moravcová, A.; Krupcík; Cellár, P.; Leclercq, P.A.,
Problems with the reproducibility of retention data on capillary columns with hydrocarbon C87 as the stationary phase,
J. Chromatogr., 1988, 454, 65-71, https://doi.org/10.1016/S0021-9673(00)88602-1
. [all data]
Matisová, Rukríglová, et al., 1988
Matisová, E.; Rukríglová, M.; Krupcík, J.; Kovacicová, E.; Holotík, S.,
Identification of alkylbenzenes up to C12 by capillary gas chromatography and combined gas chromatography-mass spectrometry. I. OV-101 as stationary phase,
J. Chromatogr., 1988, 455, 301-309, https://doi.org/10.1016/S0021-9673(01)82129-4
. [all data]
Tóth, 1983
Tóth, T.,
Use of capillary gas chromatography in collecting retention and chemical information for the analysis of complex petrochemical mixtures,
J. Chromatogr., 1983, 279, 157-165, https://doi.org/10.1016/S0021-9673(01)93614-3
. [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]
Engewald and Wennrich, 1976
Engewald, W.; Wennrich, L.,
Molekülstruktur und Retentionsverhalten. VIII. Zum Retentionsverhalten höherer Alkylbenzole bei der Gas-Verteilungs-Chromatographie,
Chromatographia, 1976, 9, 11, 540-547, https://doi.org/10.1007/BF02275960
. [all data]
Soják and Rijks, 1976
Soják, L.; Rijks, J.A.,
Capillary gas chromatography of alkylbenzenes. I. Some problems encountered with the precision of the retention indcies of alkylbenzenes,
J. Chromatogr., 1976, 119, 505-521, https://doi.org/10.1016/S0021-9673(00)86812-0
. [all data]
Mitra, Mohan, et al., 1974
Mitra, G.D.; Mohan, G.; Sinha, A.,
Advances in the utilization of the retention index system for characterizing hydrocarbons in complex mixtures by gas chromatography,
J. Chromatogr., 1974, 99, 215-230, https://doi.org/10.1016/S0021-9673(00)90857-4
. [all data]
Mitra, Mohan, et al., 1974, 2
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]
Svob and Deur-Siftar, 1974
Svob, V.; Deur-Siftar, D.,
Kovats Retention Indices in the Identification of Alkylbenzene Degradation Products,
J. Chromatogr., 1974, 91, 677-689, https://doi.org/10.1016/S0021-9673(01)97947-6
. [all data]
Soják and Bucinská, 1970
Soják, L.; Bucinská, A.,
Open tubular column gas chromatography of dehydrogenation products of C6-C10 n-alkanes. Separation and identification of mixtures of C6-C10 straight-chain alkanes, alkenes and aromatics,
J. Chromatogr., 1970, 51, 75-82, https://doi.org/10.1016/S0021-9673(01)96841-4
. [all data]
Notes
Go To: Top, Kovats' RI, non-polar column, isothermal, References
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