Cyclopentane, 1-ethyl-1-methyl-
- Formula: C8H16
- Molecular weight: 112.2126
- IUPAC Standard InChIKey: LETYIFNDQBJGPJ-UHFFFAOYSA-N
- CAS Registry Number: 16747-50-5
- 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: 1-Ethyl-1-methylcyclopentane; 1-Methyl-1-ethylcyclopentane
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Mass spectrum (electron ionization)
Go To: Top, 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
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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 | 1612 |
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 | HP-1 | 100. | 805. | Zhang, Li, et al., 1992 | N2; Column length: 25. m; Column diameter: 0.20 mm |
Capillary | HP-1 | 100. | 805. | Zhang, Li, et al., 1992 | N2; Column length: 25. m; Column diameter: 0.20 mm |
Capillary | Squalane | 50. | 793.1 | Lunskii and Paizanskaya, 1988 | He; Column length: 50. m; Column diameter: 0.22 mm |
Capillary | Squalane | 70. | 797.9 | Lunskii and Paizanskaya, 1988 | He; Column length: 50. m; Column diameter: 0.22 mm |
Capillary | Squalane | 50. | 794.0 | Krupcik, Cellar, et al., 1986 | Column length: 180. m; Column diameter: 0.25 mm |
Capillary | DB-1 | 60. | 794.3 | Lubeck and Sutton, 1983 | Column length: 60. m; Column diameter: 0.264 mm |
Capillary | DB-1 | 60. | 794.6 | Lubeck and Sutton, 1983 | 60. m/0.259 mm/1. μm |
Capillary | Squalane | 100. | 796.1 | Lulova, Leont'eva, et al., 1976 | He; Column length: 120. m; Column diameter: 0.25 mm |
Capillary | Squalane | 100. | 796.1 | Lulova, Leont'eva, et al., 1976 | He; Column length: 120. m; Column diameter: 0.25 mm |
Capillary | Squalane | 100. | 807. | Dielmann, Schwengers, et al., 1974 | Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 60. | 797. | Dielmann, Schwengers, et al., 1974 | Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 80. | 802. | Dielmann, Schwengers, et al., 1974 | Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Vacuum Grease Oil (VM-4) | 35. | 793. | Sidorov, Petrova, et al., 1972 | |
Capillary | Vacuum Grease Oil (VM-4) | 45. | 796. | Sidorov, Petrova, et al., 1972 | |
Capillary | Vacuum Grease Oil (VM-4) | 50. | 797. | Sidorov, Petrova, et al., 1972 | |
Capillary | Vacuum Grease Oil (VM-4) | 58. | 799. | Sidorov, Petrova, et al., 1972 | |
Capillary | Vacuum Grease Oil (VM-4) | 68. | 802. | Sidorov, Petrova, et al., 1972 | |
Capillary | Squalane | 70. | 793. | Dimov and Schopov, 1971 | Column length: 100. m; Column diameter: 0.25 mm |
Packed | Vacuum Grease Oil (VM-4) | 35. | 793. | Sidorov, Ivanova, et al., 1971 | |
Packed | SE-30 | 130. | 814. | Mitra and Saha, 1970 | N2, Chromosorb W; Column length: 6.1 m |
Kovats' RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Apiezon L | 808. | Louis, 1971 | N2, 1. K/min; Column length: 50. m; Column diameter: 0.25 mm; Tstart: 60. C |
Capillary | Apiezon L | 780. | 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 | 788.8 | 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 | 789. | 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 |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Petrocol DH | 792.8 | Censullo, Jones, et al., 2003 | 50. m/0.25 mm/0.5 μm, He, 35. C @ 10. min, 3. K/min, 200. C @ 10. min |
Capillary | SPB-1 | 785.82 | LECO Corporation, 2003 | 30. m/0.25 mm/0.25 μm, 40. C @ 2. min, 10. K/min, 250. C @ 2. min |
Capillary | SPB-1 | 786.23 | LECO Corporation, 2003 | 30. m/0.25 mm/0.25 μm, 40. C @ 2. min, 10. K/min, 250. C @ 2. min |
Capillary | Petrocol DH | 790. | White, Hackett, et al., 1992 | 100. m/0.25 mm/0.5 μm, He, 1. K/min; Tstart: 30. C; Tend: 220. C |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Methyl Silicone | 50. | 793. | N/A | N2; Column length: 74.6 m; Column diameter: 0.28 mm |
Capillary | Squalane | 100. | 805. | Krupcik, Cellar, et al., 1986, 2 | Column length: 180. m; Column diameter: 0.25 mm |
Capillary | Squalane | 40. | 791. | Krupcik, Cellar, et al., 1986, 2 | Column length: 180. m; Column diameter: 0.25 mm |
Capillary | Squalane | 70. | 798. | Krupcik, Cellar, et al., 1986, 2 | Column length: 180. m; Column diameter: 0.25 mm |
Capillary | OV-101 | 50. | 791. | Wu and Lu, 1984 | |
Capillary | OV-101 | 70. | 796. | Wu and Lu, 1984 |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Petrocol DH | 789. | Supelco, 2012 | 100. m/0.25 mm/0.50 μm, Helium, 20. C @ 15. min, 15. K/min, 220. C @ 30. min |
Capillary | SE-54 | 792. | Guan, Li, et al., 1995 | 60. C @ 2. min, 4. K/min; Column length: 50. m; Column diameter: 0.32 mm; Tend: 200. C |
Capillary | Squalane | 793.4 | Krupcik, Cellar, et al., 1986 | 0.1 K/min; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 794.9 | Krupcik, Cellar, et al., 1986 | 0.2 K/min; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 797.0 | Krupcik, Cellar, et al., 1986 | 0.4 K/min; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 798.7 | Krupcik, Cellar, et al., 1986 | 0.6 K/min; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 800.1 | Krupcik, Cellar, et al., 1986 | 0.8 K/min; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 801.4 | Krupcik, Cellar, et al., 1986 | 1. K/min; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 793. | Krupcik, Cellar, et al., 1986, 2 | 0.1 K/min; Column length: 180. m; Column diameter: 0.25 mm; Tstart: 40. C |
Capillary | Squalane | 795. | Krupcik, Cellar, et al., 1986, 2 | 0.2 K/min; Column length: 180. m; Column diameter: 0.25 mm; Tstart: 40. C |
Capillary | Squalane | 798. | Krupcik, Cellar, et al., 1986, 2 | 0.4 K/min; Column length: 180. m; Column diameter: 0.25 mm; Tstart: 40. C |
Capillary | Squalane | 800. | Krupcik, Cellar, et al., 1986, 2 | 0.6 K/min; Column length: 180. m; Column diameter: 0.25 mm; Tstart: 40. C |
Capillary | Squalane | 801. | Krupcik, Cellar, et al., 1986, 2 | 0.8 K/min; Column length: 180. m; Column diameter: 0.25 mm; Tstart: 40. C |
Capillary | Squalane | 803. | Krupcik, Cellar, et al., 1986, 2 | 1.0 K/min; Column length: 180. m; Column diameter: 0.25 mm; Tstart: 40. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Squalane | 789. | Chen, 2008 | Program: not specified |
Capillary | Squalane | 814. | Chen, 2008 | Program: not specified |
Capillary | Methyl Silicone | 788. | Spieksma, 1999 | 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.
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]
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]
Krupcik, Cellar, et al., 1986
Krupcik, J.; Cellar, P.; Repka, D.; Garaj, J.; Guiochon, G.,
Use of Kováts retention indices for characterization of solutes in linear temperature-programmed capillary gas-liquid chromatography,
J. Chromatogr., 1986, 351, 111-121, https://doi.org/10.1016/S0021-9673(01)83477-4
. [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]
Lulova, Leont'eva, et al., 1976
Lulova, N.I.; Leont'eva, S.A.; Timofeeva, A.N.,
Gas-chromatographic method of determination of individual hydrocarbons in catalytic cracking gasolines
in Proceedings of All-Union Research Institute on Oil Processes. Vol.18, All-Union Research Institute on Oil Processes, Moscow, 1976, 30-53. [all data]
Dielmann, Schwengers, et al., 1974
Dielmann, G.; Schwengers, D.; Schomburg, G.,
Gas-chromatographische Retentionsdaten und Strukture chemischer Verbindungen Gesättigte und ungesättigte alkylsubstituierte Cyclopentane und Methylcyclopentane,
Chromatographia, 1974, 7, 5, 215-224, https://doi.org/10.1007/BF02321771
. [all data]
Sidorov, Petrova, et al., 1972
Sidorov, R.I.; Petrova, V.I.; Ivanova, M.P.,
Qualitative analysis of wide-boiling fraction C5-C10 with capillary chromatography
in Processes in chromatographic columns. Vol.17, 1972, 14-25. [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]
Sidorov, Ivanova, et al., 1971
Sidorov, R.I.; Ivanova, M.P.; Petrova, V.I.,
Temperature dependence of cycloalkane's retention and its using in identification of structure,
Gazovaya Khromatografiya, 1971, 15, 18-26. [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]
Louis, 1971
Louis, R.,
Kovats-index-tafeln zur gaschromatographischen analyse von kohlenwasserstoffgemischen,
Erdoel Kohle Erdgas Petrochem., 1971, 24, 2, 88-94. [all data]
Haagen-Smit Laboratory, 1997
Haagen-Smit Laboratory,
Procedure for the detailed hydrocarbon analysis of gasolines by single column high efficiency (capillary) column gas chromatography, SOP NO. MLD 118, Revision No. 1.1, California Environmental Protection Agency, Air Resources Board, El Monte, California, 1997, 22. [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]
Censullo, Jones, et al., 2003
Censullo, A.C.; Jones, D.R.; Wills, M.T.,
Speciation of the volatile organic compounds (VOCs) in solventborne aerosol coatings by solid phase microextraction-gas chromatography,
J. Coat. Technol., 2003, 75, 936, 47-53, https://doi.org/10.1007/BF02697922
. [all data]
LECO Corporation, 2003
LECO Corporation,
Determination of hydrocarbon components in petroleum naphthas, 2003, retrieved from http://www.leco.org/customersupport/apps/separationscience/-190.pdf. [all data]
White, Hackett, et al., 1992
White, C.M.; Hackett, J.; Anderson, R.R.; Kail, S.; Spock, P.S.,
Linear temperature programmed retention indices of gasoline range hydrocarbons and chlorinated hydrocarbons on cross-linked polydimethylsiloxane,
J. Hi. Res. Chromatogr., 1992, 15, 2, 105-120, https://doi.org/10.1002/jhrc.1240150211
. [all data]
Krupcik, Cellar, et al., 1986, 2
Krupcik, J.; Cellar, P.; Repka, D.,
Analyza cyklickych a aromatickych uhlovodnikov s poctom uhlikovych atomov 8 kapilarnou plynovou chromatografiou,
Ropa a Uhlie, 1986, 28, 8, 485-495. [all data]
Wu and Lu, 1984
Wu, J.; Lu, W.,
Kovats indices of C4-C10 hydrocarbons in apolar quartz capillary OV-101,
Chin. J. Chromatogr., 1984, 1, 1, 11-17. [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]
Guan, Li, et al., 1995
Guan, Y.; Li, L.; Zhou, L.,
Live retention database for compound identification in capillary gas chromatography,
Chin. J. Chromatogr., 1995, 13, 5, 851-857. [all data]
Chen, 2008
Chen, H.-F.,
Quantitative prediction of gas chromatography retention indices with support vector machines, radial basis neutral networks and multiple linear regression,
Anal. Chim. Acta, 2008, 609, 1, 24-36, https://doi.org/10.1016/j.aca.2008.01.003
. [all data]
Spieksma, 1999
Spieksma, W.,
Determination of vapor liquid equilibrium from the Kovats retention index on dimethylsilicone using the Wilson mixing tool,
J. Hi. Res. Chromatogr., 1999, 22, 10, 565-588, https://doi.org/10.1002/(SICI)1521-4168(19991001)22:10<565::AID-JHRC565>3.0.CO;2-2
. [all data]
Notes
Go To: Top, Mass spectrum (electron ionization), Gas Chromatography, References
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