Benzene, 1,2,4-trimethyl-
- Formula: C9H12
- Molecular weight: 120.1916
- IUPAC Standard InChIKey: GWHJZXXIDMPWGX-UHFFFAOYSA-N
- CAS Registry Number: 95-63-6
- 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. - Other names: ψ-Cumene; as-Trimethylbenzene; Pseudocumene; Pseudocumol; 1,2,4-Trimethylbenzene; 1,2,5-Trimethylbenzene; 1,3,4-Trimethylbenzene; Psi-cumene; Asymmetrical trimethylbenzene; Benzene, 1,2,5-trimethyl-; NSC 65600; 1,2,4-trimethylbenzene (pseudocumene)
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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 | BP-20 | Supelcowax-10 | DB-Wax | Supelcowax-10 |
Column length (m) | 30. | 30. | 30. | 30. | |
Carrier gas | Helium | Helium | He | N2 | |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | 0.25 | 0.25 | |
Phase thickness (μm) | 0.25 | 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 (1 min) 2 0C/min -> 100 0C (2 min) 1.7 0C/min -> 180 0C (1 min) 25 0C/min -> 220 0C (10 min) | 40C(3min) => 4C/min => 75C => 8C/min => 250C(5min) | not specified | 40C(3min) => 4C/min => 75C => 8C/min => 250C |
I | 1290. | 1333. | 1287. | 1275. | 1267. |
Reference | Cajka, Riddellova, et al., 2010 | Rodrigues, Caldera, et al., 2008 | Vichi, Guadayol, et al., 2007 | Pala-Paul, Perez-Alonso, et al., 2005 | Vichi, Pizzale, et al., 2005 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | Innowax FSC | DB-Wax | Carbowax 20M | Innowax FSC | HP-Innowax |
Column length (m) | 60. | 30. | 60. | 60. | |
Carrier gas | He | He | He | He | |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.32 | 0.25 | 0.25 | |
Phase thickness (μm) | 0.25 | 0.5 | 0.25 | 0.25 | |
Program | 60C(10min) => 4C/min => 220C(10min) => 1C/min => 240C | 40C => 1C/min => 57C => 15C/min => 230C (5min) | not specified | 60C(10min) => 4C/min => 220C(10min) => 1C/min => 240C | 60 0C (10 min) 4 K/min -> 220 0C (10 min) 1 K/min -> 240 0C |
I | 1294. | 1277. | 1278. | 1294. | 1294. |
Reference | Baser, Özek, et al., 2004 | le Pape, Grua-Priol, et al., 2004 | Cornwell and Cordano, 2003 | Baser, Demirei, et al., 2002 | Gören, Demirci, et al., 2001 |
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 | DB-Wax |
Column length (m) | 30. | 30. | |||
Carrier gas | He | ||||
Substrate | |||||
Column diameter (mm) | 0.25 | 0.53 | |||
Phase thickness (μm) | 0.5 | 1.0 | |||
Program | not specified | 30C => 70C/min => 60C (3min) => 3C/min => 245C (20min) | 40 0C (4 min) 4 0C/min -> 200 0C (20 min) | not specified | not specified |
I | 1253. | 1288. | 1311. | 1278. | 1311. |
Reference | Ivanciuc, Ivanciuc, et al., 2001 | Schneider, Razungles, et al., 2001 | Peng, 1996 | Xiuhua, Zhang, et al., 1996 | Peng, Yang, et al., 1991 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary |
---|---|---|
Active phase | DB-Wax | Carbowax 20M |
Column length (m) | 60. | |
Carrier gas | ||
Substrate | ||
Column diameter (mm) | 0.32 | |
Phase thickness (μm) | ||
Program | not specified | not specified |
I | 1277. | 1260. |
Reference | Binder and Flath, 1989 | Dimov and Mekenyan, 1989 |
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]
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]
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]
Pala-Paul, Perez-Alonso, et al., 2005
Pala-Paul, J.; Perez-Alonso, M.J.; Velasco-Negueruela, A.; Vadare, J.; Villa, A.M.; Sanz, J.; Brophy, J.J.,
Essential oil composition of the different parts of Eryngium bourgatii Gouan from Spain,
J. Chromatogr. A, 2005, 1074, 1-2, 235-239, https://doi.org/10.1016/j.chroma.2005.03.036
. [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]
Baser, Özek, et al., 2004
Baser, K.H.C.; Özek, T.; Kirimer, N.; Deliorman, D.; Ergun, F.,
Composition of the essential oils of Galium aparine L. and Galium odoratum (L.) Scop. from Turkey,
J. Essent. Oil Res., 2004, 16, 4, 305-307, https://doi.org/10.1080/10412905.2004.9698728
. [all data]
le Pape, Grua-Priol, et al., 2004
le Pape, M.-A.; Grua-Priol, J.; Prost, C.; Demaimay, M.,
Optimization of dynamic headspace extraction of the edible red algae Palmaria palmata and identification of the volatile components,
J. Agric. Food Chem., 2004, 52, 3, 550-556, https://doi.org/10.1021/jf030478x
. [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]
Baser, Demirei, et al., 2002
Baser, K.H.C.; Demirei, B.; Özek, T.; Akalin, E.; Özhatay, N.,
Micro-distilled volatile compounds from Ferulago species growing in Western Turkey,
Pharm. Biol., 2002, 40, 6, 466-471, https://doi.org/10.1076/phbi.40.6.466.8439
. [all data]
Gören, Demirci, et al., 2001
Gören, N.; Demirci, B.; Baser, K.H.C.,
Composition of the essential oils of Tanacetum spp. from Turkey,
Flavour Fragr. J., 2001, 16, 3, 191-194, https://doi.org/10.1002/ffj.976
. [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]
Schneider, Razungles, et al., 2001
Schneider, R.; Razungles, A.; Augier, C.; Baumes, R.,
Monoterpenic and norisoprenoidic glycoconjugates of Vitis vinifera L. cv. Melon B. as precursors of odorants in Muscadet wines,
J. Chromatogr. A, 2001, 936, 1-2, 145-157, https://doi.org/10.1016/S0021-9673(01)01150-5
. [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]
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]
Binder and Flath, 1989
Binder, R.G.; Flath, R.A.,
Volatile components of pineapple guava,
J. Agric. Food Chem., 1989, 37, 3, 734-736, https://doi.org/10.1021/jf00087a034
. [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]
Notes
Go To: Top, Normal alkane RI, polar column, custom temperature program, References
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