3,4-Dimethylheptane, erythro
- Formula: C9H20
- Molecular weight: 128.2551
- IUPAC Standard InChI: InChI=1S/C9H20/c1-5-7-9(4)8(3)6-2/h8-9H,5-7H2,1-4H3/t8-,9+/m1/s1
- IUPAC Standard InChIKey: MAKRYGRRIKSDES-BDAKNGLRSA-N
- 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. - Stereoisomers:
- Other names: α-3,4-dimethylheptane; Heptane, 3,4-dimethyl-, erythro-
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Gas Chromatography
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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 | Squalane | 50. | 857.4 | Lunskii and Paizanskaya, 1988 | He; Column length: 50. m; Column diameter: 0.22 mm |
| Capillary | Squalane | 70. | 858.5 | Lunskii and Paizanskaya, 1988 | He; Column length: 50. m; Column diameter: 0.22 mm |
| Capillary | Vacuum Grease Oil (VM-4) | 95. | 857.6 | Sultanov and Arustamova, 1975 | N2; Column length: 150. m; Column diameter: 0.25 mm |
| Capillary | Squalane | 80. | 860. | Schomburg, 1967 | Ar; Column length: 100. m |
Kovats' RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Squalane | 858. | Korol and Lysyuk, 1980 | Program: not specified |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | SE-30 | 856.4 | Krupcík, Repka, et al., 1987 | 60. m/0.25 mm/1. μm, H2, 1. K/min; Tstart: 60. C |
References
Go To: Top, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
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]
Schomburg, 1967
Schomburg, G.,
Struktur und Retentionsverhalten von Offenkettigen und Cyclischen Kohlenwasserstoffen und Deren Einfacher Substitutionsprodukte,
Anal. Chim. Acta., 1967, 38, 45-64, https://doi.org/10.1016/S0003-2670(01)80560-2
. [all data]
Korol and Lysyuk, 1980
Korol, A.N.; Lysyuk, L.S.,
A New Thermodynamic Method for Calculating the Retention Indices of Isoalkanes on Squalane,
Theor. Exp. Chem. (Engl. Transl.), 1980, 6, 577-584. [all data]
Krupcík, Repka, et al., 1987
Krupcík, J.; Repka, D.; Hevesi, T.; Garaj, J.,
Use of Kováts retention indices for characterizing solutes in complex samples separated by linear temperature-programmed capillary gas-liquid chromatography,
J. Chromatogr., 1987, 406, 117-129, https://doi.org/10.1016/S0021-9673(00)94022-6
. [all data]
Notes
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- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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