Hexane, 2-methyl-
- Formula: C7H16
- Molecular weight: 100.2019
- IUPAC Standard InChIKey: GXDHCNNESPLIKD-UHFFFAOYSA-N
- CAS Registry Number: 591-76-4
- 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-Methylhexane; Isoheptane
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Normal alkane RI, non-polar column, custom temperature program
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 | Methyl Silicone | Methyl Silicone | OV-101 | Polydimethyl siloxane |
Column length (m) | 60. | ||||
Carrier gas | Helium | ||||
Substrate | |||||
Column diameter (mm) | 0.32 | ||||
Phase thickness (μm) | 1.0 | ||||
Program | not specified | not specified | -50 0C (2 min) 8 0C/min -> 200 0C (7.75 min) 25 0C -> 225 0C (8 min) | not specified | not specified |
I | 667. | 667. | 669. | 667. | 667. |
Reference | Chen and Feng, 2007 | Feng and Mu, 2007 | Blunden, Aneja, et al., 2005 | Du and Liang, 2003 | Junkes, Castanho, et al., 2003 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | BP-1 | Polydimethyl siloxanes | Methyl Silicone | Methyl Silicone | Methyl Silicone |
Column length (m) | 50. | ||||
Carrier gas | He | ||||
Substrate | |||||
Column diameter (mm) | 0.25 | ||||
Phase thickness (μm) | 1. | ||||
Program | -50C => 49.9C/min => 5C(3min) => 3C/min => 50C => 5C/min => 220C(20 min) | not specified | not specified | not specified | not specified |
I | 658.18 | 663. | 666. | 666. | 667. |
Reference | Cooke, Hassoun, et al., 2001 | Yin, Guo, et al., 2001 | Zenkevich and Marinichev, 2001 | Spieksma, 1999 | Zenkevich, 1999 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | SE-54 | SE-54 | DB-1 | DB-1 | OV-101 |
Column length (m) | 60. | 60. | |||
Carrier gas | |||||
Substrate | |||||
Column diameter (mm) | 0.32 | 0.32 | |||
Phase thickness (μm) | 0.25 | 0.25 | |||
Program | not specified | not specified | not specified | 3 min at 5 C; 5 - 50 C at 3 deg/min; 50 - 220 C at 5 deg/min | not specified |
I | 667. | 667. | 662. | 662. | 667. |
Reference | Zhu and He, 1999 | Zhu and He, 1999 | Ciccioli, Cecinato, et al., 1994 | Ciccioli, Brancaleoni, et al., 1993 | Skrbic and Cvejanov, 1993 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Packed | Packed |
---|---|---|---|---|---|
Active phase | Squalane | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | SE-30 | Squalane |
Column length (m) | 50. | 50. | 6.1 | 3.0 | |
Carrier gas | Hydrogen | Hydrogen | N2 | N2 | |
Substrate | Chromosorb W | Embacel | |||
Column diameter (mm) | 0.32 | 0.32 | |||
Phase thickness (μm) | |||||
Program | not specified | not specified | not specified | 50C910min) => 20C/min => 90(6min) => 10C/min => 150C(hold) | 25C(5min) => 2C/min => 35 => 4C/min => 95C(hold) |
I | 658. | 659. | 667. | 676. | 674. |
Reference | Petrov, 1984 | Waggott and Davies, 1984 | Waggott and Davies, 1984 | Robinson and Odell, 1971 | Robinson and Odell, 1971 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Packed | Packed |
---|---|---|
Active phase | SE-30 | Squalane |
Column length (m) | 6.1 | 3.0 |
Carrier gas | ||
Substrate | Chrom W | Embacel |
Column diameter (mm) | ||
Phase thickness (μm) | ||
Program | 50C(10min) => 20C/min(2min) => 90C(6min) => 10C/min(6min) => (hold at 150C) | 25C(5min) => 2C/min(5min) => 4C/min(15min) => (hold at 95C) |
I | 676. | 674. |
Reference | Robinson and Odell, 1971, 2 | Robinson and Odell, 1971, 2 |
Comment | MSDC-RI | MSDC-RI |
References
Go To: Top, Normal alkane RI, non-polar column, custom temperature program, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chen and Feng, 2007
Chen, Y.; Feng, C.,
QSPR study on gas chromatography retention index of some organic pollutants,
Comput. Appl. Chem. (China), 2007, 24, 10, 1404-1408. [all data]
Feng and Mu, 2007
Feng, H.; Mu, L.-L.,
Quantitative structure-retention relationships for alkane and its derivatives based on electrotopological state index and molecular shape index,
Chem. Ind. Engineering (Chinese), 2007, 24, 2, 161-168. [all data]
Blunden, Aneja, et al., 2005
Blunden, J.; Aneja, V.P.; Lonneman, W.A.,
Characterization of non-methane volatile organic compounds at swine facilities in eastern North Carolina,
Atm. Environ., 2005, 39, 36, 6707-6718, https://doi.org/10.1016/j.atmosenv.2005.03.053
. [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]
Cooke, Hassoun, et al., 2001
Cooke, K.M.; Hassoun, S.; Sanders, S.M.; Pilling, M.J.,
Identification and quantification of volatile organic compounds found in a eucalyptus forest during FIELDVOC'94 in Portugal,
Chemosphere Global Change Science, 2001, 3, 3, 249-257, https://doi.org/10.1016/S1465-9972(01)00008-3
. [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]
Zenkevich and Marinichev, 2001
Zenkevich, I.G.; Marinichev, A.N.,
Comparison of Topological and Dynamics Molecular Characteristics for Precalculation of Chromatographic Retention Parameters of Organic Compounds (in Russian),
Zh. Struct. Khim., 2001, 42, 5, 893-902. [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]
Zenkevich, 1999
Zenkevich, I.G.,
Dependence of Gas Chromatographic Retention Indices on Dynamics Molecular Characteristics,
Zh. Fiz. Khim., 1999, 73, 5, 905-910. [all data]
Zhu and He, 1999
Zhu, X.; He, L.,
Derivation of isothermal retention indices from a retention values under multiple-ramp temperature-programmed conditions,
J. Instrum. Anal. (Chinese), 1999, 18, 6, 10-12. [all data]
Ciccioli, Cecinato, et al., 1994
Ciccioli, P.; Cecinato, A.; Brancaleoni, E.; Brachetti, A.; Frattoni, M.; Sparapani, R.,
Composition and Distribution of Polar and Non-Polar VOCs in Urban, Rural, Forest and Remote Areas,
Eur Commission EUR, 1994, 549-568. [all data]
Ciccioli, Brancaleoni, et al., 1993
Ciccioli, P.; Brancaleoni, E.; Cecinato, A.; Sparapani, R.; Frattoni, M.,
Identification and determination of biogenic and anthropogenic volatile organic compounds in forest areas of Northern and Southern Europe and a remote site of the Himalaya region by high-resolution gas chromatography-mass spectrometry,
J. Chromatogr., 1993, 643, 1-2, 55-69, https://doi.org/10.1016/0021-9673(93)80541-F
. [all data]
Skrbic and Cvejanov, 1993
Skrbic, B.D.; Cvejanov, J.Dj.,
Correlation of unified retention indices for OV-101 and squalane,
Chromatographia, 1993, 35, 1/2, 109-110, https://doi.org/10.1007/BF02278566
. [all data]
Petrov, 1984
Petrov, A.A.,
Hydrocarbons of petroleum, Nauka (publishing house), Moscow, 1984, 263. [all data]
Waggott and Davies, 1984
Waggott, A.; Davies, I.W.,
Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [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]
Robinson and Odell, 1971, 2
Robinson, P.G.; Odell, A.L.,
Comparison of isothermal and non-linear temperature programmed gas chromatography. The temperature dependence of the retention indices of a number of hydrocarbons on squalane and SE-30,
J. Chromatogr., 1971, 57, 11-17, https://doi.org/10.1016/0021-9673(71)80002-X
. [all data]
Notes
Go To: Top, Normal alkane RI, non-polar column, custom temperature program, References
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