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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Van Den Dool and Kratz RI, 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 | CP-Wax 52CB | CP-Wax 52CB | Supelcowax-10 | Carbowax | AT-Wax |
Column length (m) | 50. | 60. | 60. | 60. | 60. |
Carrier gas | He | He | He | ||
Substrate | |||||
Column diameter (mm) | 0.32 | 0.25 | 0.25 | 0.25 | 0.32 |
Phase thickness (μm) | 0.25 | 0.25 | 0.5 | 0.25 | |
Tstart (C) | 60. | 35. | 40. | 50. | 65. |
Tend (C) | 220. | 203. | 280. | 250. | 250. |
Heat rate (K/min) | 4. | 3. | 4. | 5. | 2. |
Initial hold (min) | 5. | 4. | 2. | 10. | 10. |
Final hold (min) | 30. | 10. | 60. | ||
I | 1129. | 1134. | 1142. | 1154.2 | 1117. |
Reference | Mahadevan and Farmer, 2006 | Alasalvar, Taylor, et al., 2005 | Elmore, Nisyrios, et al., 2005 | Censullo, Jones, et al., 2003 | Pino, Almora, et al., 2003 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | Supelcowax-10 | Supelcowax-10 | AT-Wax | DB-Wax | DB-Wax |
Column length (m) | 60. | 60. | 60. | 60. | 60. |
Carrier gas | He | He | He | He | He |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | 0.32 | 0.32 | 0.32 |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.5 | 0.5 |
Tstart (C) | 35. | 35. | 65. | 30. | 40. |
Tend (C) | 195. | 195. | 250. | 160. | 250. |
Heat rate (K/min) | 2. | 2. | 2. | 3. | 4. |
Initial hold (min) | 5. | 5. | 10. | 2. | |
Final hold (min) | 90. | 90. | 60. | 5. | 10. |
I | 1137. | 1137. | 1117. | 1164. | 1139. |
Reference | Chung, Yung, et al., 2002 | Chung, Yung, et al., 2001 | Pino, Marbot, et al., 2001 | Beauchene, Grua-Priol, et al., 2000 | Le Guen, Prost, et al., 2000 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | CP-Wax 52CB | CP-Wax 52CB | Supelcowax-10 | DB-Wax | DB-Wax |
Column length (m) | 50. | 50. | 60. | 60. | 60. |
Carrier gas | He | He | |||
Substrate | |||||
Column diameter (mm) | 0.32 | 0.32 | 0.25 | 0.25 | 0.25 |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | ||
Tstart (C) | 60. | 60. | 35. | 40. | 50. |
Tend (C) | 220. | 220. | 195. | 200. | 230. |
Heat rate (K/min) | 4. | 4. | 2. | 3. | 3. |
Initial hold (min) | 5. | 5. | 5. | 5. | |
Final hold (min) | 30. | 30. | 90. | 60. | |
I | 1123. | 1123. | 1137. | 1125. | 1136. |
Reference | Chevance and Farmer, 1999 | Chevance and Farmer, 1999, 2 | Chung, 1999 | Cha, Kim, et al., 1998 | Shimoda, Wu, et al., 1996 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | DB-Wax | DB-Wax | DB-Wax | DB-Wax | Supelcowax-10 |
Column length (m) | 60. | 60. | 60. | 60. | 60. |
Carrier gas | 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 | |
Tstart (C) | 50. | 50. | 50. | 40. | 40. |
Tend (C) | 230. | 230. | 230. | 200. | 195. |
Heat rate (K/min) | 2. | 2. | 2. | 3. | 2. |
Initial hold (min) | 5. | 5. | |||
Final hold (min) | 60. | 40. | |||
I | 1130. | 1130. | 1156. | 1134. | 1136. |
Reference | Shimoda, Shigematsu, et al., 1995 | Shimoda, Shigematsu, et al., 1995, 2 | Shiratsuchi, Shimoda, et al., 1994 | Sumitani, Suekane, et al., 1994 | Chung and Cadwallader, 1993 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | DB-Wax | Carbowax 20M | Carbowax 20M | DB-Wax | Supelcowax-10 |
Column length (m) | 60. | 25. | 25. | 30. | 60. |
Carrier gas | He | ||||
Substrate | |||||
Column diameter (mm) | 0.25 | 0.31 | 0.31 | 0.32 | 0.25 |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | ||
Tstart (C) | 50. | 50. | 50. | 40. | 40. |
Tend (C) | 230. | 200. | 200. | 220. | 175. |
Heat rate (K/min) | 2. | 2. | 2. | 5. | 2. |
Initial hold (min) | 4. | 3. | 5. | ||
Final hold (min) | 30. | 20. | |||
I | 1132. | 1135. | 1140. | 1119. | 1136. |
Reference | Shiratsuchi, Shimoda, et al., 1993 | Suárez and Duque, 1991 | Suárez and Duque, 1991 | Frohlich and Schreier, 1990 | Matiella and Hsieh, 1990 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | DB-Wax | DB-Wax | Supelcowax-10 | Supelcowax-10 | Supelcowax-10 |
Column length (m) | 30. | 30. | 60. | 60. | 60. |
Carrier gas | 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 |
Tstart (C) | 50. | 50. | 40. | 40. | 40. |
Tend (C) | 250. | 250. | 175. | 175. | 175. |
Heat rate (K/min) | 4. | 4. | 2. | 2. | 2. |
Initial hold (min) | 3. | 3. | 5. | 5. | 5. |
Final hold (min) | 20. | 20. | 20. | ||
I | 1119. | 1119. | 1137. | 1140. | 1126. |
Reference | Fröhlich, Duque, et al., 1989 | Fröhlich, Duque, et al., 1989 | Tanchotikul and Hsieh, 1989 | Tanchotikul and Hsieh, 1989 | Vejaphan, Hsieh, et al., 1988 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | Supelcowax-10 | PEG-20M | PEG-20M | PEG-20M | Carbowax 20M |
Column length (m) | 60. | 25. | 25. | 25. | 50. |
Carrier gas | H2 | ||||
Substrate | |||||
Column diameter (mm) | 0.25 | 0.26 | 0.26 | 0.26 | 0.2 |
Phase thickness (μm) | 0.25 | 0.3 | 0.3 | 0.3 | |
Tstart (C) | 40. | 100. | 60. | 60. | 50. |
Tend (C) | 175. | 200. | 200. | 200. | 200. |
Heat rate (K/min) | 2. | 2. | 2. | 8. | 2. |
Initial hold (min) | 5. | ||||
Final hold (min) | 20. | 55. | |||
I | 1129. | 1156.5 | 1141.3 | 1150.6 | 1117. |
Reference | Vejaphan, Hsieh, et al., 1988 | Wang and Sun, 1987 | Wang and Sun, 1987 | Wang and Sun, 1987 | Wu and Liou, 1986 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | PEG-20M | PEG-20M | PEG-20M | PEG-20M | PEG-20M |
Column length (m) | 62. | 62. | 62. | 62. | 62. |
Carrier gas | |||||
Substrate | |||||
Column diameter (mm) | 0.27 | 0.27 | 0.27 | 0.27 | 0.27 |
Phase thickness (μm) | |||||
Tstart (C) | 100. | 70. | 70. | 80. | 90. |
Tend (C) | |||||
Heat rate (K/min) | 2. | 3. | 4. | 2. | 2. |
Initial hold (min) | |||||
Final hold (min) | |||||
I | 1153.2 | 1143.4 | 1146.0 | 1143.9 | 1148.7 |
Reference | Wang and Sun, 1985 | Wang and Sun, 1985 | Wang and Sun, 1985 | Wang and Sun, 1985 | Wang and Sun, 1985 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
References
Go To: Top, Van Den Dool and Kratz RI, 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.
Mahadevan and Farmer, 2006
Mahadevan, K.; Farmer, L.,
Key Odor Impact Compounds in Three Yeast Extract Pastes,
J. Agric. Food Chem., 2006, 54, 19, 7242-7250, https://doi.org/10.1021/jf061102x
. [all data]
Alasalvar, Taylor, et al., 2005
Alasalvar, C.; Taylor, K.D.A.; Shahidi, F.,
Comparison of volatiles of cultured and wild sea bream (Sparus aurata) during storage in ice by dynamic headspace analysis/gas chromatography-mass spectrometry,
J. Agric. Food Chem., 2005, 53, 7, 2616-2622, https://doi.org/10.1021/jf0483826
. [all data]
Elmore, Nisyrios, et al., 2005
Elmore, J.S.; Nisyrios, I.; Mottram, D.S.,
Analysis of the headspace aroma compounds of walnuts (Juglans regia L.),
Flavour Fragr. J., 2005, 20, 5, 501-506, https://doi.org/10.1002/ffj.1477
. [all data]
Censullo, Jones, et al., 2003
Censullo, A.C.; Jones, D.R.; Wills, M.T.,
Speciation of the volatile organic compounds (VOCs) in solventborne aerosol coatings by solid phase microextraction-gas chromatography,
J. Coat. Technol., 2003, 75, 936, 47-53, https://doi.org/10.1007/BF02697922
. [all data]
Pino, Almora, et al., 2003
Pino, J.; Almora, K.; Marbot, R.,
Volatile components of papaya (Carica papaya L., maradol variety) fruit,
Flavour Fragr. J., 2003, 18, 6, 492-496, https://doi.org/10.1002/ffj.1248
. [all data]
Chung, Yung, et al., 2002
Chung, H.-Y.; Yung, I.K.S.; Ma, W.C.J.; Kim, J.-S.,
Analysis of volatile components in frozen and dried scallops (Patinopecten yessoensis) by gas chromatography/mass spectrometry,
Food Res. Int., 2002, 35, 1, 43-53, https://doi.org/10.1016/S0963-9969(01)00107-7
. [all data]
Chung, Yung, et al., 2001
Chung, H.Y.; Yung, I.K.S.; Kim, J.-S.,
Comparison of volatile components in dried scallops (Chlamys farreri and Patinopecten yessoensis) prepared by boiling and steaming methods,
J. Agric. Food Chem., 2001, 49, 1, 192-202, https://doi.org/10.1021/jf000692a
. [all data]
Pino, Marbot, et al., 2001
Pino, J.A.; Marbot, R.; Vázquez, C.,
Characterization of volatiles in strawberry guava (Psidium cattleianum Sabine) fruit,
J. Agric. Food Chem., 2001, 49, 12, 5883-5887, https://doi.org/10.1021/jf010414r
. [all data]
Beauchene, Grua-Priol, et al., 2000
Beauchene, D.; Grua-Priol, J.; Lamer, T.; Demaimay, M.; Quemeneur, F.,
Concentration by pervaporation of aroma compounds from Fucus serratus,
J. Sci. Food Agric., 2000, 75, 451-458. [all data]
Le Guen, Prost, et al., 2000
Le Guen, S.; Prost, C.; Demaimay, M.,
Characterization of odorant compounds of mussels (Mytilus edulis) according to their origin using gas chromatography-olfactometry and gas chromatography-mass spectrometry,
J. Chromatogr. A, 2000, 896, 1-2, 361-371, https://doi.org/10.1016/S0021-9673(00)00729-9
. [all data]
Chevance and Farmer, 1999
Chevance, F.F.V.; Farmer, L.J.,
Identification of major volatile odor compounds in frankfurters,
J. Agric. Food Chem., 1999, 47, 12, 5151-5160, https://doi.org/10.1021/jf990515d
. [all data]
Chevance and Farmer, 1999, 2
Chevance, F.F.V.; Farmer, L.J.,
Release of volatile odor compounds from full-fat and reduced-fat frankfurters,
J. Agric. Food Chem., 1999, 47, 12, 5161-5168, https://doi.org/10.1021/jf9905166
. [all data]
Chung, 1999
Chung, H.Y.,
Volatile components in crabmeats of Charybdis feriatus,
J. Agric. Food Chem., 1999, 47, 6, 2280-2287, https://doi.org/10.1021/jf981027t
. [all data]
Cha, Kim, et al., 1998
Cha, Y.J.; Kim, H.; Cadwallader, K.R.,
Aroma-active compounds in Kimchi during fermentation,
J. Agric. Food Chem., 1998, 46, 5, 1944-1953, https://doi.org/10.1021/jf9706991
. [all data]
Shimoda, Wu, et al., 1996
Shimoda, M.; Wu, Y.; Osajima, Y.,
Aroma compounds from aqueous solution of Haze (Rhus succedanea) honey determined by adsorptive column chromatography,
J. Agric. Food Chem., 1996, 44, 12, 3913-3918, https://doi.org/10.1021/jf9601168
. [all data]
Shimoda, Shigematsu, et al., 1995
Shimoda, M.; Shigematsu, H.; Shiratsuchi, H.; Osajima, Y.,
Comparison of the odor concentrates by SDE and adsorptive column method from green tea infusion,
J. Agric. Food Chem., 1995, 43, 6, 1616-1620, https://doi.org/10.1021/jf00054a037
. [all data]
Shimoda, Shigematsu, et al., 1995, 2
Shimoda, M.; Shigematsu, H.; Shiratsuchi, H.; Osajima, Y.,
Comparison of volatile compounds among different grades of green tea and their relations to odor attributes,
J. Agric. Food Chem., 1995, 43, 6, 1621-1625, https://doi.org/10.1021/jf00054a038
. [all data]
Shiratsuchi, Shimoda, et al., 1994
Shiratsuchi, H.; Shimoda, M.; Imayoshi, K.; Noda, K.; Osajima, Y.,
Volatile flavor compounds in spray-dried skim milk powder,
J. Agric. Food Chem., 1994, 42, 4, 984-988, https://doi.org/10.1021/jf00040a028
. [all data]
Sumitani, Suekane, et al., 1994
Sumitani, H.; Suekane, S.; Nakatani, A.; Tatsuka, K.,
Changes in composition of volatile compounds in high pressure treated peach,
J. Agric. Food Chem., 1994, 42, 3, 785-790, https://doi.org/10.1021/jf00039a037
. [all data]
Chung and Cadwallader, 1993
Chung, H.Y.; Cadwallader, K.R.,
Volatile components in blue crab (Callinectes sapidus) meat and processing by-product,
J. Food Sci., 1993, 58, 6, 1203-1207, https://doi.org/10.1111/j.1365-2621.1993.tb06148.x
. [all data]
Shiratsuchi, Shimoda, et al., 1993
Shiratsuchi, H.; Shimoda, M.; Minegishi, Y.; Osajima, Y.,
Isolation and identification of volatile flavor compounds in nonfermented coarse-cut sausage. Flavor as a quality factor of nonfermented sausage. 1,
J. Agric. Food Chem., 1993, 41, 4, 647-652, https://doi.org/10.1021/jf00028a027
. [all data]
Suárez and Duque, 1991
Suárez, M.; Duque, C.,
Volatile constituents of lulo (Salanum vestissimum D.) fruit,
J. Agric. Food Chem., 1991, 39, 8, 1498-1500, https://doi.org/10.1021/jf00008a026
. [all data]
Frohlich and Schreier, 1990
Frohlich, O.; Schreier, P.,
Volatile Constituents of Loquat (Eriobotrya japonica Lindl.) Fruit,
J. Food Sci., 1990, 55, 1, 176-180, https://doi.org/10.1111/j.1365-2621.1990.tb06046.x
. [all data]
Matiella and Hsieh, 1990
Matiella, J.E.; Hsieh, T.C.-Y.,
Analysis of crabmeat volatile compounds,
J. Food Sci., 1990, 55, 4, 962-966, https://doi.org/10.1111/j.1365-2621.1990.tb01575.x
. [all data]
Fröhlich, Duque, et al., 1989
Fröhlich, O.; Duque, C.; Schreier, P.,
Volatile constituents of curuba (Passiflora mollissima) fruit,
J. Agric. Food Chem., 1989, 37, 2, 421-425, https://doi.org/10.1021/jf00086a033
. [all data]
Tanchotikul and Hsieh, 1989
Tanchotikul, U.; Hsieh, T.C.-Y.,
Volatile Flavor Components in Crayfish Waste,
J. Food Sci., 1989, 54, 6, 1515-1520, https://doi.org/10.1111/j.1365-2621.1989.tb05149.x
. [all data]
Vejaphan, Hsieh, et al., 1988
Vejaphan, W.; Hsieh, T.C.Y.; Williams, S.S.,
Volatile flavor components from boiled crayfish (Procambarus clarkii) tail meat,
J. Food Sci., 1988, 53, 6, 1666-1670, https://doi.org/10.1111/j.1365-2621.1988.tb07811.x
. [all data]
Wang and Sun, 1987
Wang, T.; Sun, Y.,
On the influence of the solute sample size on temperature-programmed retention indices,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1987, 10, 11, 603-606, https://doi.org/10.1002/jhrc.1240101105
. [all data]
Wu and Liou, 1986
Wu, C.-M.; Liou, S.-E.,
Effect of tissue disruption of volatile constituents of bell peppers,
J. Agric. Food Chem., 1986, 34, 4, 770-772, https://doi.org/10.1021/jf00070a044
. [all data]
Wang and Sun, 1985
Wang, T.; Sun, Y.,
Correlation of Retention Indices obtained with Two Temperature Programmes,
J. Chromatogr., 1985, 330, 167-171, https://doi.org/10.1016/S0021-9673(01)81973-7
. [all data]
Notes
Go To: Top, Van Den Dool and Kratz RI, 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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