Heptane, 2,4-dimethyl-
- Formula: C9H20
- Molecular weight: 128.2551
- IUPAC Standard InChIKey: AUKVIBNBLXQNIZ-UHFFFAOYSA-N
- CAS Registry Number: 2213-23-2
- 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. - Species with the same structure:
- Other names: 2,4-Dimethylheptane
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Normal alkane RI, non-polar column, temperature ramp
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 | Polydimethyl siloxane: CP-Sil 5 CB | Optima-5 MS | Petrocol DH | Petrocol DH | PONA |
Column length (m) | 60. | 30. | 100. | 100. | 50. |
Carrier gas | Helium | Helium | Helium | Helium | Nitrogen |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.20 |
Phase thickness (μm) | 1.0 | 0.25 | 0.50 | 0.50 | 0.50 |
Tstart (C) | 45. | 35. | 20. | 20. | 35. |
Tend (C) | 210. | 250. | 220. | 220. | 200. |
Heat rate (K/min) | 3.6 | 10. | 15. | 15. | 2. |
Initial hold (min) | 1.45 | 3. | 15. | 15. | 15. |
Final hold (min) | 2.72 | 5. | 30. | 30. | 10. |
I | 823. | 824. | 824. | 830. | 825. |
Reference | Bramston-Cook, 2013 | Goeminne, Vandendriessche, et al., 2012 | Supelco, 2012 | Supelco, 2012 | Zhang, Ding, et al., 2009 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | Petrocol DH | ZB-5 | SPB-5 | BP-1 | OV-101 |
Column length (m) | 150. | 60. | 60. | 50. | 50. |
Carrier gas | He | He | He | Helium | |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | 0.32 | 0.22 | 0.20 |
Phase thickness (μm) | 1.0 | 0.25 | 1. | 0.75 | 0.50 |
Tstart (C) | 40. | 40. | 40. | 50. | 30. |
Tend (C) | 300. | 260. | 200. | 200. | 100. |
Heat rate (K/min) | 1. | 6. | 3. | 5. | 1. |
Initial hold (min) | 4.6 | 6. | |||
Final hold (min) | 1. | ||||
I | 823. | 803. | 823. | 824. | 823. |
Reference | Sojak, Kubinec, et al., 2006 | Jürgens and Dötterl, 2004 | Poligné, Collignan, et al., 2001 | Health Safety Executive, 2000 | Orav, Kailas, et al., 1999 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary |
---|---|
Active phase | SE-54 |
Column length (m) | 50. |
Carrier gas | |
Substrate | |
Column diameter (mm) | 0.32 |
Phase thickness (μm) | |
Tstart (C) | 60. |
Tend (C) | 200. |
Heat rate (K/min) | 4. |
Initial hold (min) | 2. |
Final hold (min) | |
I | 826. |
Reference | Guan, Li, et al., 1995 |
Comment | MSDC-RI |
References
Go To: Top, Normal alkane RI, non-polar column, temperature ramp, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Bramston-Cook, 2013
Bramston-Cook, R.,
Kovats indices for C2-C13 hydrocarbons and selected oxygenated/halocarbons with 100 % dimethylpolysiloxane columns, 2013, retrieved from http://lotusinstruments.com/monographs/List .... [all data]
Goeminne, Vandendriessche, et al., 2012
Goeminne, P.C.; Vandendriessche, T.; Van Eldere, J.; Nicolai, B.M.; Hertog, M.L.; Dupont, L.J.,
Detection of Pseudomonas aeruginosa in sputum headspace through volatile organic compound analysis,
Respiratory Res., 2012, 13, 87, 1-9. [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]
Zhang, Ding, et al., 2009
Zhang, X.; Ding, L.; Sun, Z.; Song, L.; Sun, T.,
Study on quantitative structure-retention relationships for hydrocarbons in FCC gasoline,
Chromatographia, 2009, 70, 3/4, 511-518, https://doi.org/10.1365/s10337-009-1174-0
. [all data]
Sojak, Kubinec, et al., 2006
Sojak, L.; Kubinec, R.; Jurdakova, H.; Hajekova, E.; Bajus, M.,
GC-MS of polyethylene and polypropylene thermal cracking produxts,
Petroleum Coal, 2006, 48, 1, 1-14. [all data]
Jürgens and Dötterl, 2004
Jürgens, A.; Dötterl, S.,
Chemical composition of anther volatiles in Ranunculaceae: genera-specific profiles in Aemone, Aquilegia, Caltha, Pulsatilla, Ranunculus, and Trollius species,
American Journal of Botany, 2004, 91, 12, 1969-1980, https://doi.org/10.3732/ajb.91.12.1969
. [all data]
Poligné, Collignan, et al., 2001
Poligné, I.; Collignan, A.; Trystram, G.,
Characterization of traditional processing of pork meat into boucané,
Meat Sci., 2001, 59, 4, 377-389, https://doi.org/10.1016/S0309-1740(01)00090-0
. [all data]
Health Safety Executive, 2000
Health Safety Executive,
MDHS 96 Volatile organic compounds in air - Laboratory method using pumed solid sorbent tubes, solvent desorption and gas chromatography
in Methods for the Determination of Hazardous Substances (MDHS) guidance, Crown, Colegate, Norwich, 2000, 1-24, retrieved from http://www.hse.gov.uk/pubns/mdhs/pdfs/mdhs96.pdf. [all data]
Orav, Kailas, et al., 1999
Orav, A.; Kailas, T.; Muurisepp, M.; Kann, J.,
Composition of the oil from waste tires. 1. Fraction boiling at yp to 160 0C,
Proc. Estonian Acad. Sci. Chem., 1999, 48, 1, 30-39. [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]
Notes
Go To: Top, Normal alkane RI, non-polar column, temperature ramp, References
- Symbols used in this document:
Tend Final temperature Tstart Initial temperature - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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