o-Cymene
- Formula: C10H14
- Molecular weight: 134.2182
- IUPAC Standard InChI: InChI=1S/C10H14/c1-8(2)10-7-5-4-6-9(10)3/h4-8H,1-3H3
- IUPAC Standard InChIKey: WWRCMNKATXZARA-UHFFFAOYSA-N
- CAS Registry Number: 527-84-4
- 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: Benzene, 1-methyl-2-(1-methylethyl)-; o-Cymol; o-Isopropyltoluene; 1-Isopropyl-2-methylbenzene; 1-Methyl-2-isopropylbenzene; 2-Isopropyltoluene; 1-Methyl-2-(1-methylethyl)-benzene; Cymene, ortho; UN 2046; 1-(1-methylethyl)-2-methylbenzene; 1-methyl,2-n-isopropylbenzene; ortho-Cymene
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Normal alkane RI, non-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 | DB-5 MS | HP-5 MS | Siloxane, 5 % Ph | 5 % Phenyl polydimethyl siloxane | Polydimethyl siloxane, 5 % phenyl |
| Column length (m) | 30. | 30. | |||
| Carrier gas | Helium | Helium | |||
| Substrate | |||||
| Column diameter (mm) | 0.25 | 0.25 | |||
| Phase thickness (μm) | 0.25 | 0.25 | |||
| Program | 70 0C 5 0C/min -> 120 0C 10 0C/min -> 280 0C (20 min) | not specified | not specified | not specified | not specified |
| I | 1028. | 1022. | 1022. | 1026. | 1022. |
| Reference | Purushothaman and Ravi, 2013 | Kotowska, Zalikowski, et al., 2012 | VOC BinBase, 2012 | Chaverri, Diaz, et al., 2011 | Skogerson, Wohlgemuth, et al., 2011 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
| Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
|---|---|---|---|---|---|
| Active phase | HP-5 MS | DB-1 | DB-5 | DB-5 | DB-5 MS |
| Column length (m) | 30. | 30. | 30. | 30. | 30. |
| Carrier gas | Helium | Helium | Helium | Helium | |
| 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 | 50 0C (3 min) 3 0C/min -> 160 0C (10 min) 3 0C/min -> 240 0C | not specified | 50 0C m6 0C/min -> 140 0C 5 0C/min -> 160 0C (1 min) 10 0C/min -> 200 0C | not specified | 80 0C (1.5 min) 4 pC/min -> 180 0C 10 0C/min -> 300 0C (10 min) |
| I | 1021. | 1022. | 1025. | 1026. | 1023. |
| Reference | Sharifiar, Yassa, et al., 2010 | Xu, Tang, et al., 2010 | Courtois, Paine, et al., 2009 | Porto, Decorti, et al., 2009 | Silva, Doria, et al., 2008 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
| Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
|---|---|---|---|---|---|
| Active phase | HP-5 | HP-5 | HP-5MS | DB-5 MS | CP Sil 8 CB |
| Column length (m) | 30. | 30. | 30. | 30. | 50. |
| Carrier gas | He | Helium | Helium | ||
| Substrate | |||||
| Column diameter (mm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.32 |
| Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
| Program | 40 0C (2 min) 5 0C/min -> 80 0C 7 oC/min -> 160 0C 9 0C/min -> 200 0C 20 0C/min -> 280 0C (10 min) | not specified | 40C(5min) => 2C/min => 250C(15min) => 10C/min => 270C | 60 0C 3 0C/min -> 210 0C 5 0C/min -> 250 0C | 60 0C (2 min) 5 0C/min -> 160 0C (1 min) 10 0C/min -> 280 0C (3 min) |
| I | 1024. | 1021. | 1020. | 1022. | 1026. |
| Reference | Zhao, Li, et al., 2008 | Zhao, Li, et al., 2008 | Formisano, Mignola, et al., 2007 | Haznagy-Radnai, Szigle, et al., 2007 | Radusiene, Judzentiene, et al., 2007 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
| Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
|---|---|---|---|---|---|
| Active phase | HP-5MS | CP Sil 8 CB | AT-5 | DB-5 | Squalane |
| Column length (m) | 30. | 50. | 60. | 30. | |
| Carrier gas | He | He | He | He | |
| Substrate | |||||
| Column diameter (mm) | 0.25 | 0.32 | 0.25 | 0.25 | |
| Phase thickness (μm) | 0.25 | 0.25 | 0.25 | ||
| Program | 40C(1min) => 8C/min => 160C => 12C/min => 300C(5min) | 70C(5min) => 3C/min => 100C (1min) => 25C/min => 250C (10min) | 50 0C 5 0C/min -> 135 0C (1 min) 5 0C/min -> 225 0C (5 min) 5 0C/min -> 260 0C | not specified | not specified |
| I | 1025. | 1025. | 1022. | 1022. | 1016.9 |
| Reference | Li, Deng, et al., 2006 | Mockute and Judzentiene, 2003 | Usai, Atzei, et al., 2003 | Isidorov, Zenkevich, et al., 2001 | Dimov and Mekenyan, 1989 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
| Column type | Capillary |
|---|---|
| Active phase | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. |
| Column length (m) | 50. |
| Carrier gas | Hydrogen |
| Substrate | |
| Column diameter (mm) | 0.32 |
| Phase thickness (μm) | |
| Program | not specified |
| I | 1017. |
| Reference | Waggott and Davies, 1984 |
| Comment | MSDC-RI |
References
Go To: Top, Normal alkane RI, non-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.
Purushothaman and Ravi, 2013
Purushothaman, D.N.; Ravi, S.,
GC-MS analusis of essential oil obtained from Heracleum candolleanum (Wight et Arn),
J. Pharmacy Res., 2013, 6, 1, 155-157, https://doi.org/10.1016/j.jopr.2012.11.032
. [all data]
Kotowska, Zalikowski, et al., 2012
Kotowska, U.; Zalikowski, M.; Isidorov, V.A.,
HS-SPME/GC-MS analysis of volatile and semi-volatile organic compounds emitted from municipal sewage sludge,
Environ. Monit. Asses., 2012, 184, 5, 2893-2907, https://doi.org/10.1007/s10661-011-2158-8
. [all data]
VOC BinBase, 2012
VOC BinBase,
The volatile compound BinBase (VOC BinBase), 2012, retrieved from http://fiehnlab.ucdavis.edu/projects/VocBinBase and http://binbase.sourceforge.net. [all data]
Chaverri, Diaz, et al., 2011
Chaverri, C.; Diaz, C.; Cicco, J.F.,
Chemical analysis of essential oils from Ocotea gomezii W.C. Burger and Ocotea morae Gomez-Laur. (Lauraceae) collected at Reserva biologica Alberto M. Brenes in Costa Rica and their cytotoxic activity on Tumor cell lines,
J. Braz. Chem. Soc., 2011, 22, 4, s1-s4, https://doi.org/10.1590/S0103-50532011000400018
. [all data]
Skogerson, Wohlgemuth, et al., 2011
Skogerson, K.; Wohlgemuth, G.; Fiehn, O.,
VocBinNase, 2011, retrieved from http://fiehnlab.ucdavis.edu/projects//VocBinBase. [all data]
Sharifiar, Yassa, et al., 2010
Sharifiar, F.; Yassa, N.; Mozaffarian, V.,
Bioactivity of major components from the seeds of Bunium persicum (Boiss.) Fedtch,
Pakistan J. Pharm. Sci., 2010, 23, 3, 300-304. [all data]
Xu, Tang, et al., 2010
Xu, X.; Tang, Z.; Liang, Y.,
Comparative analysis of plant essential oils by GC-MS coupled with integrated chemometric resolution methods,
Anal. Methods, 2010, 2, 4, 359-367, https://doi.org/10.1039/b9ay00213h
. [all data]
Courtois, Paine, et al., 2009
Courtois, E.A.; Paine, C.E.; Blandinieres, P.-A.; Stien, D.; Bessiere, J.-M.; Houel, E.; Baraloto, C.; Chave, J.,
Diversity of the volatile organic compounds emitted by 55 species of tropical trees: a survey in French Guiana,
J. Chem. Ecol., 2009, 35, 11, 1349-1362, https://doi.org/10.1007/s10886-009-9718-1
. [all data]
Porto, Decorti, et al., 2009
Porto, C.Da.; Decorti, D.; Kikic, I.,
Flavour compounds of Lavandula angustifolia L. to use in food manufacturing: comparison of three different extraction methods,
Food Chem., 2009, 112, 4, 1072-1078, https://doi.org/10.1016/j.foodchem.2008.07.015
. [all data]
Silva, Doria, et al., 2008
Silva, W.L.; Doria, G.A.A.; Maia, R.T.; Nunes, R.S.; Carvalho, G.A.; Blank, A.F.; Alves, P.B.; Marcal, R.M.; Cavalcanti, S.C.H.,
Effects of essential oils on Aedes aegypti larvae: alternatives to environmentally safe insecticides,
Bioresource Technol., 2008, 99, 8, 3251-3255, https://doi.org/10.1016/j.biortech.2007.05.064
. [all data]
Zhao, Li, et al., 2008
Zhao, Y.; Li, J.; Xu, Y.; Duan, H.; Fan, W.; Zhao, G.,
EXtraction, preparation and identification of volatile compounds in Changyu XO brandy,
Chinese J. Chromatogr., 2008, 26, 2, 212-222, https://doi.org/10.1016/S1872-2059(08)60014-0
. [all data]
Formisano, Mignola, et al., 2007
Formisano, C.; Mignola, E.; Rigano, D.; Senatore, F.; Bellone, G.; Bruno, M.; Rosselli, S.,
Chemical composition and antimicrobial activity of the essential oil from aerial parts of Micromeria fruticulosa (Bertol.) Grande (Lamiaceae) growing wild in Southern Italy,
Flavour Fragr. J., 2007, 22, 4, 289-292, https://doi.org/10.1002/ffj.1795
. [all data]
Haznagy-Radnai, Szigle, et al., 2007
Haznagy-Radnai, E.; Szigle, Sz.; Mathe, I.,
Analysis of the essential oil of Downy wounderwort (Stachys Germanica L.),
Acta Fac. Pharm. Univer. Comenianae, 2007, 54, 78-83. [all data]
Radusiene, Judzentiene, et al., 2007
Radusiene, J.; Judzentiene, A.; Peciulyte, D.; Janulis, V.,
Essential Oil Composition and Antimicrobial Assay of Acorus calamus Leaves from Different Wild Populations,
Plant Genetic Resources: Characterization and Utilization, 2007, 5, 1, 37-44, https://doi.org/10.1017/S1479262107390928
. [all data]
Li, Deng, et al., 2006
Li, N.; Deng, C.; Li, Y.; Ye, H.; Zhang, X.,
Gas chromatography-mass spectrometry following microwave distillation and headspace solid-phase microextraction for fast analysis of essential oil in dry traditional Chinese medicine,
J. Chromatogr. A, 2006, 1133, 1-2, 29-34, https://doi.org/10.1016/j.chroma.2006.08.046
. [all data]
Mockute and Judzentiene, 2003
Mockute, D.; Judzentiene, A.,
The myrtenol chemotype of essential oil of Tanacetum vulgare L. var. vulgare (tansy) growing wild in the Vilnius region,
Chemija, 2003, 14, 2, 103-107. [all data]
Usai, Atzei, et al., 2003
Usai, M.; Atzei, A.; Pintore, G.; Casanova, I.,
Composition and variability of the essential oil of Sardinian Thymus herba-barona Loisel,
Flavour Fragr. J., 2003, 18, 1, 21-25, https://doi.org/10.1002/ffj.1137
. [all data]
Isidorov, Zenkevich, et al., 2001
Isidorov, V.A.; Zenkevich, I.G.; Krajewska, U.; Dubis, E.N.; Jaroszynska, J.; Bal, K.,
Gas chromatographic analysis of essential oils with preliminary partition of components,
Phytochem. Anal., 2001, 12, 2, 87-90, https://doi.org/10.1002/pca.564
. [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]
Waggott and Davies, 1984
Waggott, A.; Davies, I.W.,
Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]
Notes
Go To: Top, Normal alkane RI, non-polar column, custom temperature program, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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