p-Cymene-2,5-diol
- Formula: C10H14O2
- Molecular weight: 166.2170
- IUPAC Standard InChI: InChI=1S/C10H14O2/c1-6(2)8-5-9(11)7(3)4-10(8)12/h4-6,11-12H,1-3H3
- IUPAC Standard InChIKey: OQIOHYHRGZNZCW-UHFFFAOYSA-N
- CAS Registry Number: 2217-60-9
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Hydroquinone, 5-isopropyl-2-methyl-; Hydrothymoquinone; Thymohydroquinone; Thymoquinol; 1,4-Benzenediol, 2-methyl-5-(1-methylethyl)-; 2-Methyl-5-isopropylhydroquinone; 2-Isopropyl-5-methylbenzene-1,4-diol; Thymodihydroquinone
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Van Den Dool and Kratz RI, non-polar column, temperature ramp
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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 |
|---|---|---|---|---|
| Active phase | RTX-1 | HP-5MS | SE-54 | RTX-5 MS |
| Column length (m) | 60. | 30. | 25. | 30. |
| Carrier gas | He | He | H2 | He |
| Substrate | ||||
| Column diameter (mm) | 0.22 | 0.25 | 0.25 | 0.25 |
| Phase thickness (μm) | 0.25 | 0.25 | 0.2 | 0.25 |
| Tstart (C) | 60. | 60. | 50. | 45. |
| Tend (C) | 230. | 250. | 250. | 180. |
| Heat rate (K/min) | 2. | 2. | 4. | 2.5 |
| Initial hold (min) | 8. | 10. | ||
| Final hold (min) | 30. | 30. | ||
| I | 1522. | 1559. | 1552. | 1562. |
| Reference | Bendahou, Muselli, et al., 2008 | Benkaci-Ali, Baaliouamer, et al., 2007 | Simionatto, Porto, et al., 2005 | Hudaib, Speroni, et al., 2002 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
References
Go To: Top, Van Den Dool and Kratz RI, non-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.
Bendahou, Muselli, et al., 2008
Bendahou, M.; Muselli, A.; Grignon-Dubois, M.; Benyoucef, M.; Desjobert, J.-M.; Bernardini, A.-F.; Costa, J.,
Antimicrobial activity and chemical composition of Origanum glandulosum Desf. essential oil and extract obtained by microwave extraction: Comparison with hydrodistillation,
Food Chem., 2008, 106, 1, 132-139, https://doi.org/10.1016/j.foodchem.2007.05.050
. [all data]
Benkaci-Ali, Baaliouamer, et al., 2007
Benkaci-Ali, F.; Baaliouamer, A.; Meklati, B.Y.; Chemat, F.,
Chemical composition of seed essential oils from Algerian Nigella sativa extracted by microwave and hydrodistillation,
Flavour Fragr. J., 2007, 22, 2, 148-153, https://doi.org/10.1002/ffj.1773
. [all data]
Simionatto, Porto, et al., 2005
Simionatto, E.; Porto, C.; da Silva, U.F.; Squizani, A.; Dalcol, I.I.; Morel, A.F.,
Composition and antimicrobial activity of the essential oil from Aloysia sellowii,
J. Braz. Chem. Soc., 2005, 16, 6B, 1458-1462, https://doi.org/10.1590/S0103-50532005000800028
. [all data]
Hudaib, Speroni, et al., 2002
Hudaib, M.; Speroni, E.; di Pietra, A.M.; Cavrini, V.,
GC/MS evaluation of thyme (Thymus vulgaris L.) oil composition and variations during the vegetative cycle,
J. Pharm. Biomed. Anal., 2002, 29, 4, 691-700, https://doi.org/10.1016/S0731-7085(02)00119-X
. [all data]
Notes
Go To: Top, Van Den Dool and Kratz RI, non-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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