Neopentane
- Formula: C5H12
- Molecular weight: 72.1488
- IUPAC Standard InChIKey: CRSOQBOWXPBRES-UHFFFAOYSA-N
- CAS Registry Number: 463-82-1
- 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: Propane, 2,2-dimethyl-; tert-Pentane; Tetramethylcarbon; Tetramethylmethane; 1,1,1-Trimethylethane; 2,2-Dimethylpropane; Neo-C5H12; UN 2044; Dimethylpropane
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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 | Packed | Packed |
---|---|---|---|---|---|
Active phase | Squalane | Squalane | Squalane | Apolane | Apolane |
Column length (m) | 100. | 2.4 | 2.4 | ||
Carrier gas | He | He | |||
Substrate | Chromosorb | Chromosorb | |||
Column diameter (mm) | 0.25 | ||||
Phase thickness (μm) | |||||
Temperature (C) | 100. | 50. | 60. | 110. | 130. |
I | 413. | 412.5 | 413. | 408.8 | 409.8 |
Reference | Heinzen, Soares, et al., 1999 | Bajus, Veselý, et al., 1979 | Chretien and Dubois, 1976 | Riedo, Fritz, et al., 1976 | Riedo, Fritz, et al., 1976 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Packed | Packed | Packed | Packed | Packed |
---|---|---|---|---|---|
Active phase | Apolane | Apolane | Apolane | Apolane | Apolane |
Column length (m) | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 |
Carrier gas | He | He | He | He | He |
Substrate | Chromosorb | Chromosorb | Chromosorb | Chromosorb | Chromosorb |
Column diameter (mm) | |||||
Phase thickness (μm) | |||||
Temperature (C) | 150. | 170. | 190. | 210. | 230. |
I | 410.6 | 411.3 | 411.8 | 412.1 | 412.3 |
Reference | Riedo, Fritz, et al., 1976 | Riedo, Fritz, et al., 1976 | Riedo, Fritz, et al., 1976 | Riedo, Fritz, et al., 1976 | Riedo, Fritz, et al., 1976 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Packed | Capillary | Capillary | Packed | Packed |
---|---|---|---|---|---|
Active phase | Apolane | Squalane | Squalane | Squalane | Squalane |
Column length (m) | 2.4 | 100. | 100. | 15. | 15. |
Carrier gas | He | N2 | N2 | He | He |
Substrate | Chromosorb | Chromosorb P | Chromosorb P | ||
Column diameter (mm) | 0.25 | 0.25 | 0.25 | 0.25 | |
Phase thickness (μm) | |||||
Temperature (C) | 90. | 50. | 70. | 27. | 49. |
I | 407.6 | 412. | 413. | 411. | 413. |
Reference | Riedo, Fritz, et al., 1976 | Rijks and Cramers, 1974 | Rijks and Cramers, 1974 | Hively and Hinton, 1968 | Hively and Hinton, 1968 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Packed | Packed | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | Squalane | Squalane | Squalane | Squalane | Squalane |
Column length (m) | 15. | 15. | 100. | 100. | 100. |
Carrier gas | He | He | H2 | H2 | H2 |
Substrate | Chromosorb P | Chromosorb P | |||
Column diameter (mm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
Phase thickness (μm) | |||||
Temperature (C) | 67. | 86. | 30. | 50. | 70. |
I | 413. | 413. | 411. | 412. | 413. |
Reference | Hively and Hinton, 1968 | Hively and Hinton, 1968 | Tourres, 1967 | Tourres, 1967 | Tourres, 1967 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Packed |
---|---|
Active phase | Squalane |
Column length (m) | 10. |
Carrier gas | |
Substrate | |
Column diameter (mm) | |
Phase thickness (μm) | |
Temperature (C) | 26. |
I | 412. |
Reference | Zulaïca and Guiochon, 1966 |
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.
Heinzen, Soares, et al., 1999
Heinzen, V.E.F.; Soares, M.F.; Yunes, R.A.,
Semi-empirical topological method for the prediction of the chromatographic retention of cis- and trans-alkene isomers and alkanes,
J. Chromatogr. A, 1999, 849, 2, 495-506, https://doi.org/10.1016/S0021-9673(99)00530-0
. [all data]
Bajus, Veselý, et al., 1979
Bajus, M.; Veselý, V.; Leclercq, P.A.; Rijks, J.A.,
Steam cracking of hydrocarbons. 1. Pyrolysis of heptane,
Ind. Eng. Chem. Prod. Res. Dev., 1979, 18, 1, 30-37, https://doi.org/10.1021/i360069a007
. [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]
Riedo, Fritz, et al., 1976
Riedo, F.; Fritz, D.; Tarján, G.; Kováts, E.Sz.,
A tailor-made C87 hydrocarbon as a possible non-polar standard stationary phase for gas chromatography,
J. Chromatogr., 1976, 126, 63-83, https://doi.org/10.1016/S0021-9673(01)84063-2
. [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]
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]
Tourres, 1967
Tourres, D.A.,
Structure moléculaire et rétention en chromatographie en phase gazeuse. Influence de la température sur l'indice de rétention d'alcanes isomères,
J. Chromatogr., 1967, 30, 357-377, https://doi.org/10.1016/S0021-9673(00)84168-0
. [all data]
Zulaïca and Guiochon, 1966
Zulaïca, J.; Guiochon, G.,
Analyse des hauts polymères par chromatographie en phase gazeuse de leurs produits de pyrolyse. II. Application à quelques hydrocarbures macromoléculaires purs,
Bull. Soc. Chim. Fr., 1966, 4, 1351-1363. [all data]
Notes
Go To: Top, Kovats' RI, non-polar column, isothermal, References
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