p-Xylene
- Formula: C8H10
- Molecular weight: 106.1650
- IUPAC Standard InChIKey: URLKBWYHVLBVBO-UHFFFAOYSA-N
- CAS Registry Number: 106-42-3
- 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. - Isotopologues:
- Other names: Benzene, 1,4-dimethyl-; p-Dimethylbenzene; p-Xylol; 1,4-Dimethylbenzene; 1,4-Xylene; p-Methyltoluene; para-Xylene; Chromar; Scintillar; 4-Methyltoluene; NSC 72419; UN 1307; 1,4-dimethyl-benzene ( p-xylene)
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Kovats' 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 | CBP-1 | DB-5 | SE-54 | OV-101 | SE-30 |
Column length (m) | 25. | 30. | 30. | 110. | 50. |
Carrier gas | He | He | He | He | He |
Substrate | |||||
Column diameter (mm) | 0.2 | 0.13 | 0.25 | 0.25 | 0.5 |
Phase thickness (μm) | 0.25 | 0.25 | 0.20 | ||
Tstart (C) | 50. | 30. | 0. | 35. | 40. |
Tend (C) | 200. | 280. | 250. | 200. | 170. |
Heat rate (K/min) | 4. | 10. | 12. | 1. | 3. |
Initial hold (min) | 5. | 2. | 12. | 3. | |
Final hold (min) | 3. | ||||
I | 863. | 860. | 861. | 853. | 859. |
Reference | Shimadzu, 2003 | Ramarathnam, Rubin, et al., 1993 | Rembold, Wallner, et al., 1989 | Hayes and Pitzer, 1982 | Greenberg, 1981 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | SE-30 | SE-30 | SE-30 | OV-101 | OV-101 |
Column length (m) | 50. | 50. | 50. | 70. | 70. |
Carrier gas | He | He | He | N2 | N2 |
Substrate | |||||
Column diameter (mm) | 0.5 | 0.5 | 0.5 | 0.28 | 0.28 |
Phase thickness (μm) | |||||
Tstart (C) | 40. | 70. | 70. | 80. | 80. |
Tend (C) | 170. | 170. | 170. | 200. | 200. |
Heat rate (K/min) | 3. | 5. | 5. | 2. | 2. |
Initial hold (min) | 3. | 2. | 2. | ||
Final hold (min) | 5. | 5. | |||
I | 861. | 863. | 864. | 864. | 864. |
Reference | Greenberg, 1981 | Greenberg, 1981, 2 | Greenberg, 1981, 2 | Yamaguchi and Shibamoto, 1981 | Yamaguchi and Shibamoto, 1981 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary |
---|---|
Active phase | Apiezon L |
Column length (m) | 50. |
Carrier gas | N2 |
Substrate | |
Column diameter (mm) | 0.25 |
Phase thickness (μm) | |
Tstart (C) | 60. |
Tend (C) | |
Heat rate (K/min) | 1. |
Initial hold (min) | |
Final hold (min) | |
I | 885. |
Reference | Louis, 1971 |
Comment | MSDC-RI |
References
Go To: Top, Kovats' 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.
Shimadzu, 2003
Shimadzu,
Gas chromatography analysis of organic solvents using capillary columns (No. 2), 2003, retrieved from http://www.shimadzu.com/apps/form.cfm. [all data]
Ramarathnam, Rubin, et al., 1993
Ramarathnam, N.; Rubin, L.J.; Diosady, L.L.,
Studies on meat flavor. 4. Fractionation, characterization, and quantitation of volatiles from uncured and cured beef and chicken,
J. Agric. Food Chem., 1993, 41, 6, 939-945, https://doi.org/10.1021/jf00030a020
. [all data]
Rembold, Wallner, et al., 1989
Rembold, H.; Wallner, P.; Nitz, S.; Kollmannsberger, H.; Drawert, F.,
Volatile components of chickpea (Cicer arietinum L.) seed,
J. Agric. Food Chem., 1989, 37, 3, 659-662, https://doi.org/10.1021/jf00087a018
. [all data]
Hayes and Pitzer, 1982
Hayes, P.C., Jr.; Pitzer, E.W.,
Characterizing petroleum- and shale-derived jet fuel distillates via temperature-programmed Kováts indices,
J. Chromatogr., 1982, 253, 179-198, https://doi.org/10.1016/S0021-9673(01)88376-X
. [all data]
Greenberg, 1981
Greenberg, M.J.,
Characterization of meat and bone meal flavor volatiles,
J. Agric. Food Chem., 1981, 29, 6, 1276-1280, https://doi.org/10.1021/jf00108a043
. [all data]
Greenberg, 1981, 2
Greenberg, M.J.,
Characterization of poultry byproduct meal flavor volatiles,
J. Agric. Food Chem., 1981, 29, 4, 831-834, https://doi.org/10.1021/jf00106a038
. [all data]
Yamaguchi and Shibamoto, 1981
Yamaguchi, K.; Shibamoto, T.,
Volatile constituents of green tea, Gyokuro (Camellia sinensis L. var Yabukita),
J. Agric. Food Chem., 1981, 29, 2, 366-370, https://doi.org/10.1021/jf00104a035
. [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]
Notes
Go To: Top, Kovats' 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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