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, 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 | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | ZB-Wax | ZB-Wax | Carbowax 20M | Carbowax 20M | Supelcowax-10 |
Column length (m) | 60. | 60. | 15. | 15. | 60. |
Carrier gas | He | He | N2 | ||
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | 0.5 | 0.5 | 0.75 |
Phase thickness (μm) | 0.25 | 0.25 | |||
Temperature (C) | 100. | 120. | 150. | 150. | 60. |
I | 1169.5 | 1180.4 | 1123. | 1123. | 1145. |
Reference | Pérez-Parajón, Santiuste, et al., 2004 | Pérez-Parajón, Santiuste, et al., 2004 | Egazaryants and Maximov, 1998 | Egazaryants and Maximov, 1998 | Castello, Vezzani, et al., 1991 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | Carbowax 20M | Carbowax 20M | Carbowax 20M | Carbowax 20M | Carbowax 20M |
Column length (m) | |||||
Carrier gas | |||||
Substrate | |||||
Column diameter (mm) | |||||
Phase thickness (μm) | |||||
Temperature (C) | 100. | 110. | 120. | 70. | 80. |
I | 1159.94 | 1165.00 | 1169.77 | 1145.24 | 1149.89 |
Reference | Podmaniczky, Szepesy, et al., 1985 | Podmaniczky, Szepesy, et al., 1985 | Podmaniczky, Szepesy, et al., 1985 | Podmaniczky, Szepesy, et al., 1985 | Podmaniczky, Szepesy, et al., 1985 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Packed | Packed | Capillary |
---|---|---|---|---|---|
Active phase | Carbowax 20M | PEG-20M | Carbowax 20M | Carbowax 20M | Carbowax 20M |
Column length (m) | 30. | 2. | 100. | ||
Carrier gas | N2 | N2 | N2 | ||
Substrate | Kieselgur (60-100 mesh) | Chromosorb W, AW-DMCS | |||
Column diameter (mm) | 0.3 | 0.23 | |||
Phase thickness (μm) | |||||
Temperature (C) | 90. | 70. | 75. | 150. | 100. |
I | 1152.22 | 1138.9 | 1143. | 1169.2 | 1134.8 |
Reference | Podmaniczky, Szepesy, et al., 1985 | Tóth, 1983 | Goebel, 1982 | Ellis and Still, 1979 | Engewald and Wennrich, 1976 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Packed | Packed | Packed | Packed |
---|---|---|---|---|---|
Active phase | Carbowax 20M | PEG-2000 | PEG-2000 | Polyethylene Glycol 4000 | Polyethylene Glycol 4000 |
Column length (m) | 100. | 3. | 3. | 6. | 6. |
Carrier gas | He | He | |||
Substrate | Celite 545 (44-60 mesh) | Celite 545 (44-60 mesh) | Chromosorb P | Chromosorb P | |
Column diameter (mm) | 0.2 | ||||
Phase thickness (μm) | |||||
Temperature (C) | 90. | 150. | 152. | 100. | 120. |
I | 1118.6 | 1189. | 1182. | 1163. | 1170. |
Reference | Döring, Estel, et al., 1974 | Anderson, Jurel, et al., 1973 | Anderson, Jurel, et al., 1973 | Bonastre and Grenier, 1967 | Bonastre and Grenier, 1967 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Packed | Packed |
---|---|---|
Active phase | Polyethylene Glycol 4000 | Polyethylene Glycol 4000 |
Column length (m) | 6. | 6. |
Carrier gas | ||
Substrate | Chromosorb P | Chromosorb P |
Column diameter (mm) | ||
Phase thickness (μm) | ||
Temperature (C) | 140. | 80. |
I | 1178. | 1156. |
Reference | Bonastre and Grenier, 1967 | Bonastre and Grenier, 1967 |
Comment | MSDC-RI | MSDC-RI |
References
Go To: Top, Kovats' RI, polar column, isothermal, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Pérez-Parajón, Santiuste, et al., 2004
Pérez-Parajón, J.M.; Santiuste, J.M.; Takács, J.M.,
Sensitivity of the methylbenzenes and chlorobenzenes retention index to column temperature, stationary phase polarity, and number and chemical nature of substituents,
J. Chromatogr. A, 2004, 1048, 2, 223-232, https://doi.org/10.1016/j.chroma.2004.07.028
. [all data]
Egazaryants and Maximov, 1998
Egazaryants, S.V.; Maximov, A.L.,
Analysis of Gasoline Fractions by Capillary GC
in 20th International Symposium on Capillary Chromatography, 1998, 1-6. [all data]
Castello, Vezzani, et al., 1991
Castello, G.; Vezzani, S.; Gerbino, T.,
Gas chromatographic separation and automatic identification of complex mixtures of organic solvents in indrustrial wates,
J. Chromatogr., 1991, 585, 2, 273-280, https://doi.org/10.1016/0021-9673(91)85088-W
. [all data]
Podmaniczky, Szepesy, et al., 1985
Podmaniczky, L.; Szepesy, L.; Lakszner, K.; Schomburg, G.,
Relationship between thermodynamic characteristics and isothermal retention indices,
Chromatographia, 1985, 20, 10, 623-628, https://doi.org/10.1007/BF02263223
. [all data]
Tóth, 1983
Tóth, T.,
Use of capillary gas chromatography in collecting retention and chemical information for the analysis of complex petrochemical mixtures,
J. Chromatogr., 1983, 279, 157-165, https://doi.org/10.1016/S0021-9673(01)93614-3
. [all data]
Goebel, 1982
Goebel, K.-J.,
Gaschromatographische Identifizierung Niedrig Siedender Substanzen Mittels Retentionsindices und Rechnerhilfe,
J. Chromatogr., 1982, 235, 1, 119-127, https://doi.org/10.1016/S0021-9673(00)95793-5
. [all data]
Ellis and Still, 1979
Ellis, T.S.; Still, R.H.,
Thermal degradation of polymers. XXI. Vacuum pyrolysis of poly(m-N,N-dimethylaminostyrene); the products volatile at pyrolysis temperature, liquid at room temperature,
J. Appl. Polym. Sci., 1979, 23, 10, 2837-2854, https://doi.org/10.1002/app.1979.070231002
. [all data]
Engewald and Wennrich, 1976
Engewald, W.; Wennrich, L.,
Molekülstruktur und Retentionsverhalten. VIII. Zum Retentionsverhalten höherer Alkylbenzole bei der Gas-Verteilungs-Chromatographie,
Chromatographia, 1976, 9, 11, 540-547, https://doi.org/10.1007/BF02275960
. [all data]
Döring, Estel, et al., 1974
Döring, C.E.; Estel, D.; Fischer, R.,
Kapillar-gaschromatographische Charakterisierung von C10-bis C12-Aromaten,
J. Prakt. Chem., 1974, 316, 1, 1-12, https://doi.org/10.1002/prac.19743160102
. [all data]
Anderson, Jurel, et al., 1973
Anderson, A.; Jurel, S.; Shymanska, M.; Golender, L.,
Gas-liquid chromatography of some aliphatic and heterocyclic mono- and pollyfunctional amines. VII. Retention indices of amines in some polar and unpolar stationary phases,
Latv. PSR Zinat. Akad. Vestis Kim. Ser., 1973, 1, 51-63. [all data]
Bonastre and Grenier, 1967
Bonastre, J.; Grenier, P.,
Contribution à l'étude de la polarité des phases stationnaires en chromatographie gas-liquide. I. Calcul des coefficients d'activité relatifs et des indices de rétention de quelques hydrocarbures aromatiques,
Bull. Soc. Chim. Fr., 1967, 4, 1395-1405. [all data]
Notes
Go To: Top, Kovats' RI, polar column, isothermal, References
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