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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Normal alkane RI, polar column, custom temperature program
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 | HP-Innowax | DB-Wax | Supelko CO Wax | Supelko CO Wax | BP-20 |
Column length (m) | 30. | 60. | 60. | 60. | 30. |
Carrier gas | Helium | Helium | Helium | Helium | Helium |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.32 | 0.32 | 0.32 | 0.25 |
Phase thickness (μm) | 0.25 | 1.0 | 0.25 | 0.25 | 0.25 |
Program | 45 0C (1 min) 5 oC/min -> 170 0C 10 0C/min -> 260 0C (1 min) | 40 0C (2 min) 4 0C/min -> 190 0C (11 min) 8 0C/min -> 220 0C (8 min) | 40 0C (5 min) 4 0C/min -> 75 0C 5 0C/min -> 250 0C (10 min) | not specified | 40 0C (1 min) 2 0C/min -> 100 0C (2 min) 1.7 0C/min -> 180 0C (1 min) 25 0C/min -> 220 0C (10 min) |
I | 1153. | 1164. | 1138. | 1142. | 1173. |
Reference | Cajka, Riddellova, et al., 2010 | Kadar, Juan-Borras, et al., 2010 | Vekiari, Orepoulou, et al., 2010 | Vekiari, Orepoulou, et al., 2010 | Rodrigues, Caldera, et al., 2008 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | Supelcowax 10 | Supelcowax-10 | Supelcowax-10 | HP-Innowax | HP-Innowax |
Column length (m) | 50. | 30. | 30. | 30. | 30. |
Carrier gas | Helium | He | He | He | He |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
Program | 45 0C (15 min) 3 0C/min -> 75 0C 5 0C/min -> 180 0C (10 min) | 35C(8min) => 6C/min => 60C => 4C/min => 160C => 20C/min => 200C(1min) | 35C(8min) => 6C/min => 60C => 4C/min => 160C => 20C/min => 200C(1min) | 30C(5min) => 7C/min => 100C(5min) => 1C/min => 130C => 10C/min => 195C(45min) | 30C(5min) => 7C/min => 100C(5min) => 1C/min => 130C => 10C/min => 195C(45min) |
I | 1137. | 1127. | 1129. | 1120. | 1120. |
Reference | Soria, Martinez-Castro, et al., 2008 | Berard, Bianchi, et al., 2007 | Berard, Bianchi, et al., 2007 | Narain, Galvao, et al., 2007 | Narain, Galvao, et al., 2007 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | Supelcowax-10 | Supelcowax-10 | Carbowax 20M | Carbowax 20M | Supelcowax-10 |
Column length (m) | 30. | 30. | 60. | ||
Carrier gas | He | He | |||
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | 0.25 | ||
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | ||
Program | 40C(3min) => 4C/min => 75C => 8C/min => 250C(5min) | 40C(3min) => 4C/min => 75C => 8C/min => 250C | not specified | not specified | 40C (7min) => 4C/min => 150C => 8C/min => 240C (10min) |
I | 1142. | 1123. | 1140. | 1139. | 1137. |
Reference | Vichi, Guadayol, et al., 2007 | Vichi, Pizzale, et al., 2005 | Vinogradov, 2004 | Cornwell and Cordano, 2003 | Kim and Lee, 2002 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | Carbowax 20M | DB-Wax | DB-Wax | PEG-20M | CP-Wax 52CB |
Column length (m) | 60. | 30. | 50. | ||
Carrier gas | He | ||||
Substrate | |||||
Column diameter (mm) | 0.32 | 0.53 | 0.32 | ||
Phase thickness (μm) | 0.5 | 1.0 | 1.5 | ||
Program | not specified | 50C(6min) => 1C/min => 130C => 10C/min => 240C (15min) | 40 0C (4 min) 4 0C/min -> 200 0C (20 min) | not specified | 40C => 2C/min => 150C => 10C/min => 250C |
I | 1119. | 1145. | 1155. | 1139. | 1132. |
Reference | Ivanciuc, Ivanciuc, et al., 2001 | Piveteau, le Guen, et al., 2000 | Peng, 1996 | Xiuhua, Zhang, et al., 1996 | Luning, de Rijk, et al., 1994 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | DB-Wax | DB-Wax | CP-Wax 52CB | Carbowax 20M | Carbowax 20M |
Column length (m) | 50. | ||||
Carrier gas | |||||
Substrate | |||||
Column diameter (mm) | 0.32 | ||||
Phase thickness (μm) | |||||
Program | not specified | not specified | not specified | not specified | not specified |
I | 1138. | 1155. | 1110. | 1126. | 1140. |
Reference | Peng, Yang, et al., 1991 | Peng, Yang, et al., 1991 | Vernin, 1991 | Dimov and Mekenyan, 1989 | Shibamoto, 1987 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary |
---|---|---|
Active phase | Carbowax 20M | Polyethylene Glycol |
Column length (m) | ||
Carrier gas | ||
Substrate | ||
Column diameter (mm) | ||
Phase thickness (μm) | ||
Program | not specified | not specified |
I | 1140. | 1150. |
Reference | Ramsey and Flanagan, 1982 | MacLeod and Pieris, 1981 |
Comment | MSDC-RI | MSDC-RI |
References
Go To: Top, Normal alkane RI, polar column, custom temperature program, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Cajka, Riddellova, et al., 2010
Cajka, T.; Riddellova, K.; Klimankova, E.; Carna, M.; Pudil, F.; Hajslova, J.,
Traceability of olive oil based on volatiles pattern and multivariante analysis,
Food Chem., 2010, 121, 1, 282-289, https://doi.org/10.1016/j.foodchem.2009.12.011
. [all data]
Kadar, Juan-Borras, et al., 2010
Kadar, M.; Juan-Borras, M.; Hellebrandova, M.; Domenech, E.; Escriche, I.,
Volatile fraction composition of Acacia (Robinia pseudoacacia) honey from Romania, Spain, and Check Republic,
Bull. USAMV Agriculture, 2010, 67, 2, 259-265. [all data]
Vekiari, Orepoulou, et al., 2010
Vekiari, S.A.; Orepoulou, V.; Kourkoutas, Y.; Kamoun, N.; Msallem, M.; Psimouli, V.; Arapoglou, D.,
Characterization and seasonal variations of the quality of virgin olive oil of the Thoumbolia and Koroneiki varieties from Southern Greece,
Grasas y Aceites, 2010, 61, 3, 221-231, https://doi.org/10.3989/gya.108709
. [all data]
Rodrigues, Caldera, et al., 2008
Rodrigues, F.; Caldera, M.; Camara, J.S.,
development of a dynamic headspace solid-phase microextraction procedure coupled to GC-qMSD for evaluation the chemical profile in alcoholic beverages,
Anal. Chim. Acta, 2008, 609, 1, 82-104, https://doi.org/10.1016/j.aca.2007.12.041
. [all data]
Soria, Martinez-Castro, et al., 2008
Soria, A.C.; Martinez-Castro, I.; Sanz, J.,
Some aspects of dynamic headspace analysis of volatile components in honey,
Foog Res. International, 2008, 41, 8, 838-848, https://doi.org/10.1016/j.foodres.2008.07.010
. [all data]
Berard, Bianchi, et al., 2007
Berard, J.; Bianchi, F.; Careri, M.; Chatel, A.; Mangia, A.; Musci, M.,
Characterization of the volatile fraction and of free fatty acids of Fontina Valle d'Aosta, a protected designation of origin Italian cheese,
Food Chem., 2007, 105, 1, 293-300, https://doi.org/10.1016/j.foodchem.2006.11.041
. [all data]
Narain, Galvao, et al., 2007
Narain, N.; Galvao, M.S.; Madruga, M.S.,
Volatile compounds captured through purge and trap technique in caja-umbu (Spondias sp.) fruits during maturation,
Food Chem., 2007, 102, 3, 726-731, https://doi.org/10.1016/j.foodchem.2006.06.003
. [all data]
Vichi, Guadayol, et al., 2007
Vichi, S.; Guadayol, J.M.; Caixach, J.; López-Tamames, E.; Buxaderas, S.,
Analytical, Nutritional, and Clinical Methods. Comparative study of different extraction techniques for the analysis of virgin olive oil aroma,
Food Chem., 2007, 105, 3, 1171-1178, https://doi.org/10.1016/j.foodchem.2007.02.018
. [all data]
Vichi, Pizzale, et al., 2005
Vichi, S.; Pizzale, L.; Conte, L.S.; Buxaderas, S.; L´opez-Tamames, E.,
Simultaneous determination of volatile and semi-volatile aromatic hydrocarbons in virgin olive oil by headspace solid-phase microextraction coupled to gas chromatography/mass spectrometry,
J. Chromatogr. A, 2005, 1090, 1-2, 146-154, https://doi.org/10.1016/j.chroma.2005.07.007
. [all data]
Vinogradov, 2004
Vinogradov, B.A.,
Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]
Cornwell and Cordano, 2003
Cornwell, E.; Cordano, G.,
Nueva proposicion para predecir datos de retencion obtenidos mediante cromatografia de gases de hidrocarburos derivados de las naftas,
Revista de la Sociedad Quimica de Mexico, 2003, 47, 1, 38-43. [all data]
Kim and Lee, 2002
Kim, N.-S.; Lee, D.-S.,
Comparison of different extraction methods for the analysis of fragrances from Lavandula species by gas chromatography-mass spectrometry,
J. Chromatogr. A, 2002, 982, 1, 31-47, https://doi.org/10.1016/S0021-9673(02)01445-0
. [all data]
Ivanciuc, Ivanciuc, et al., 2001
Ivanciuc, O.; Ivanciuc, T.; Klein, D.J.; Seitz, W.A.; Balaban, A.T.,
Quantitative structure-retention relationships for gas chromatographic retention indices of alkylbenzenes with molecular graph descriptors,
SAR QSAR Environ. Res., 2001, 11, 5-6, 419-452, https://doi.org/10.1080/10629360108035362
. [all data]
Piveteau, le Guen, et al., 2000
Piveteau, F.; le Guen, S.; Gandemer, G.; Baud, J.-P.; Demaimay, M.,
Aroma of fresh oysters Crassostrea gigas: composition and aroma notes,
J. Agric. Food Chem., 2000, 48, 10, 4851-4857, https://doi.org/10.1021/jf991394k
. [all data]
Peng, 1996
Peng, C.T.,
Gas chromatographic identification of aromatic hydrocarbons
in Liquid Scintillation Spectrometry, Cook, G.T.; Harkness, D.D.; MacKenzie, A.B.; Miller, B.F.; Scott, E.M., ed(s)., 1996, 221-232. [all data]
Xiuhua, Zhang, et al., 1996
Xiuhua, Zh.; Zhang, L.; Che, X.,
Prediction of the Kovats retention indexes of polysubstituted alkylbenzenes,
Chin. J. Chromatogr., 1996, 14, 4, 244-248. [all data]
Luning, de Rijk, et al., 1994
Luning, P.A.; de Rijk, T.; Wichers, H.J.; Roozen, J.P.,
Gas chromatography, mass spectrometry, and sniffing port analyses of volatile compounds of fresh bell peppers (Capsicum annuum) at different ripening stages,
J. Agric. Food Chem., 1994, 42, 4, 977-983, https://doi.org/10.1021/jf00040a027
. [all data]
Peng, Yang, et al., 1991
Peng, C.T.; Yang, Z.C.; Ding, S.F.,
Prediction of rentention idexes. II. Structure-retention index relationship on polar columns,
J. Chromatogr., 1991, 586, 1, 85-112, https://doi.org/10.1016/0021-9673(91)80028-F
. [all data]
Vernin, 1991
Vernin, G.,
Volatile constituents of the essential oil of Santolina chamaecyparissus L.,
J. Essent. Oil Res., 1991, 3, 1, 49-53, https://doi.org/10.1080/10412905.1991.9697907
. [all data]
Dimov and Mekenyan, 1989
Dimov, N.; Mekenyan, Ov.,
Quantitative Relationships Between the Structure of Alkylbenzenes and Their Gas Chromatographic Retention on Stationary Phasses with Different Polarity,
J. Chromatogr., 1989, 471, 227-236, https://doi.org/10.1016/S0021-9673(00)94170-0
. [all data]
Shibamoto, 1987
Shibamoto, T.,
Retention Indices in Essential Oil Analysis
in Capillary Gas Chromatography in Essential Oil Analysis, Sandra, P.; Bicchi, C., ed(s)., Hutchig Verlag, Heidelberg, New York, 1987, 259-274. [all data]
Ramsey and Flanagan, 1982
Ramsey, J.D.; Flanagan, R.J.,
Detection and Identification of Volatile Organic Compounds in Blood by Headspace Gas Chromatography as an Aid to the Diagnosis of Solvent Abuse,
J. Chromatogr., 1982, 240, 2, 423-444, https://doi.org/10.1016/S0021-9673(00)99622-5
. [all data]
MacLeod and Pieris, 1981
MacLeod, A.J.; Pieris, N.M.,
Volatile flavor components of beli fruit (Aegle marmelos) and a processed product,
J. Agric. Food Chem., 1981, 29, 6, 1262-1264, https://doi.org/10.1021/jf00108a040
. [all data]
Notes
Go To: Top, Normal alkane RI, polar column, custom temperature program, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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