Benzaldehyde, 2,5-dimethyl-
- Formula: C9H10O
- Molecular weight: 134.1751
- IUPAC Standard InChI: InChI=1S/C9H10O/c1-7-3-4-8(2)9(5-7)6-10/h3-6H,1-2H3
- IUPAC Standard InChIKey: SMUVABOERCFKRW-UHFFFAOYSA-N
- CAS Registry Number: 5779-94-2
- 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: Isoxylaldehyde; 2,5-Dimethylbenzaldehyde
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Phase change data
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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: Robert L. Brown and Stephen E. Stein
Reduced pressure boiling point
| Tboil (K) | Pressure (bar) | Reference |
|---|---|---|
| 378.7 | 0.019 | Aldrich Chemical Company Inc., 1990 |
Gas Chromatography
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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
Kovats' RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | OV-101 | 1154. | Yamaguchi and Shibamoto, 1981 | N2, 2. K/min; Column length: 70. m; Column diameter: 0.28 mm; Tstart: 80. C; Tend: 200. C |
| Capillary | OV-101 | 1159. | Yamaguchi and Shibamoto, 1981 | N2, 2. K/min; Column length: 70. m; Column diameter: 0.28 mm; Tstart: 80. C; Tend: 200. C |
Kovats' RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Carbowax 20M | 1680. | Yamaguchi and Shibamoto, 1981 | N2, 2. K/min; Column length: 70. m; Column diameter: 0.28 mm; Tstart: 80. C; Tend: 200. C |
| Capillary | Carbowax 20M | 1683. | Yamaguchi and Shibamoto, 1981 | N2, 2. K/min; Column length: 70. m; Column diameter: 0.28 mm; Tstart: 80. C; Tend: 200. C |
Van Den Dool and Kratz RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-Wax | 1705. | Shimoda, Shigematsu, et al., 1995 | 60. m/0.25 mm/0.25 μm, 2. K/min; Tstart: 50. C; Tend: 230. C |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5 MS | 1208. | Xu, Han, et al., 2012 | 30. m/0.25 mm/0.25 μm, 60. C @ 2. min, 15. K/min, 300. C @ 10. min |
| Capillary | HP-5 MS | 1208. | Xu, Han, et al., 2009 | 30. m/0.25 mm/0.25 μm, Helium, 60. C @ 2. min, 15. K/min, 300. C @ 10. min |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-1 | 1137. | Buttery, Teranishi, et al., 1990 | Column length: 60. m; Column diameter: 0.32 mm; Program: not specified |
References
Go To: Top, Phase change data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Yamaguchi and Shibamoto, 1981
Yamaguchi, K.; Shibamoto, T.,
Volatile constituents of green tea, Gyokuro (Camellia sinensis L. var Yabukita),
J. Agric. Food Chem., 1981, 29, 2, 366-370, https://doi.org/10.1021/jf00104a035
. [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]
Xu, Han, et al., 2012
Xu, L.-L.; Han, T.; Wu, J.-Z.; Zhang, Q.-Y.; Zhang, H.; Huang, B.-K.; Rahman, K.,
Comparative research of chemical constituents, antifungal and antitumor properties of ether extracts of Panax ginseng and its endophytic fungus, 2012, retrieved from http://www.thefreelibrary.com/Comparative .... [all data]
Xu, Han, et al., 2009
Xu, L.-L.; Han, T.; Wu, J.-Z.; Zhang, Q.-Y.; Zhang, H.; Huang, B.-K.; Rahman, K.,
Comparative research of chemical constituents, antifungal and antitumor properties of ether extracts of Panax ginseng and its endophytic fungus,
Phytomedicine: Int. J. Phytotherapy Phytopharmacology, 2009, 16, 6-7, 609-616, https://doi.org/10.1016/j.phymed.2009.03.014
. [all data]
Buttery, Teranishi, et al., 1990
Buttery, R.G.; Teranishi, R.; Flath, R.A.; Ling, L.C.,
Identification of additional tomato paste volatiles,
J. Agric. Food Chem., 1990, 38, 3, 792-795, https://doi.org/10.1021/jf00093a042
. [all data]
Notes
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- Symbols used in this document:
Tboil Boiling point - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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