2(5H)-Furanone, 5,5-dimethyl-
- Formula: C6H8O2
- Molecular weight: 112.1265
- IUPAC Standard InChI: InChI=1S/C6H8O2/c1-6(2)4-3-5(7)8-6/h3-4H,1-2H3
- IUPAC Standard InChIKey: YNKQMZRTPPVLLL-UHFFFAOYSA-N
- CAS Registry Number: 20019-64-1
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
View 3d structure (requires JavaScript / HTML 5) - Other names: 4,4-Dimethyl-2-buten-4-olide; 4,4-Dimethyl-2-butenolide; 4,4-Dimethylbut-2-enolide; 5,5-Dimethyl-2(5H)-furanone; 5,5-Dimethylbut-3-enolide; 5,5-Dimethylfuran-2(5H)-one; 4,4-Dimethylcrotonolactone; 4-Methyl-2-pentenolide
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Van Den Dool and Kratz RI, non-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 |
|---|---|---|---|---|
| Active phase | DB-Petro | DB-Petro | HP-5MS | HP-5MS |
| Column length (m) | 50. | 50. | 30. | 30. |
| Carrier gas | He | He | ||
| Substrate | ||||
| Column diameter (mm) | 0.2 | 0.2 | 0.25 | 0.25 |
| Phase thickness (μm) | 0.5 | 0.5 | 0.25 | 0.25 |
| Tstart (C) | 50. | 50. | 50. | 50. |
| Tend (C) | 270. | 270. | 250. | 250. |
| Heat rate (K/min) | 2. | 2. | 3. | 3. |
| Initial hold (min) | ||||
| Final hold (min) | ||||
| I | 907.5 | 907.5 | 952. | 952. |
| Reference | Pang T., Zhu S., et al., 2007 | Pang T., Zhu S., et al., 2007 | Salido, Valenzuela, et al., 2004 | Salido, Altarejos, et al., 2001 |
| 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.
Pang T., Zhu S., et al., 2007
Pang T.; Zhu S.; Lu X.; Xu G.,
Identification of unknown compounds on the basis of retention index data in comprehensive two-dimensional gas chromatography,
J. Sep. Sci., 2007, 30, 6, 868-874, https://doi.org/10.1002/jssc.200600471
. [all data]
Salido, Valenzuela, et al., 2004
Salido, S.; Valenzuela, L.R.; Altarejos, J.; Nogueras, M.; Sánchez, A.; Cano, E.,
Composition and infraspecific variability of Artemisia herba-alba from southern Spain,
Biochem. Syst. Ecol., 2004, 32, 3, 265-277, https://doi.org/10.1016/j.bse.2003.09.002
. [all data]
Salido, Altarejos, et al., 2001
Salido, S.; Altarejos, J.; Nogueras, M.; Sánchez, A.,
Chemical composition of the essential oil of Artemisia herba-alba Asso ssp. valentina (Lam.) Marcl.,
J. Essent. Oil Res., 2001, 13, 4, 221-224, https://doi.org/10.1080/10412905.2001.9699675
. [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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