2-Hydroxy-3,5-dimethylcyclopent-2-en-1-one
- Formula: C7H10O2
- Molecular weight: 126.1531
- IUPAC Standard InChI: InChI=1S/C7H10O2/c1-4-3-5(2)7(9)6(4)8/h4,9H,3H2,1-2H3
- IUPAC Standard InChIKey: RLEJFFGSMZQXJX-UHFFFAOYSA-N
- CAS Registry Number: 21834-98-0
- 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: 2-Cyclopenten-1-one, 2-hydroxy-3,5-dimethyl-; 3,5-Dimethyl-2-hydroxy-2-cyclopenten-1-one; 2-Hydroxy-3,5-dimethyl-2-cyclopenten-1-one
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Mass spectrum (electron ionization)
Go To: Top, Gas Chromatography, 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
Spectrum
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Additional Data
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| Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
|---|---|
| Origin | J.A. ENZELL, RES. DEP., SWED. TOB. CO., STOCKHOLM, SWEDEN |
| NIST MS number | 112930 |
Gas Chromatography
Go To: Top, Mass spectrum (electron ionization), 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
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-1 | 1093. | Zhang, Dorjpalam, et al., 1992 | 50. m/0.32 mm/1.5 μm, 2. K/min, 220. C @ 30. min; Tstart: 40. C |
Van Den Dool and Kratz RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Carbowax 20M | 1723. | Mihara and Nishimura, 1989 | N2, 2. K/min; Column length: 50. m; Column diameter: 0.22 mm; Tstart: 80. C; Tend: 200. C |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | OV-101 | 1044. | Nishimura and Mihara, 1990 | N2, 2. K/min; Column length: 50. m; Column diameter: 0.23 mm; Tstart: 80. C; Tend: 200. C |
Normal alkane RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-Wax | 1702. | Souza, Re-Poppi, et al., 2012 | 30. m/0.25 mm/0.25 μm, Helium, 60. C @ 1. min, 5. K/min; Tend: 240. C |
| Capillary | Carbowax 20M | 1723. | Nishimura and Mihara, 1990 | N2, 2. K/min; Column length: 50. m; Column diameter: 0.23 mm; Tstart: 80. C; Tend: 200. C |
References
Go To: Top, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Zhang, Dorjpalam, et al., 1992
Zhang, Y.; Dorjpalam, B.; Ho, C.-T.,
Contribution of peptides to volatile formation in the Maillard reaction of casein hydrolysate with glucose,
J. Agric. Food Chem., 1992, 40, 12, 2467-2471, https://doi.org/10.1021/jf00024a026
. [all data]
Mihara and Nishimura, 1989
Mihara, S.; Nishimura, O.,
Retention indices of 2-hydroxy-2-cyclopenten-1-ones,
J. Hi. Res. Chromatogr., 1989, 12, 11, 763-764, https://doi.org/10.1002/jhrc.1240121116
. [all data]
Nishimura and Mihara, 1990
Nishimura, O.; Mihara, S.,
Investigation of 2-hydroxy-2-cyclopenten-1-ones in roasted coffee,
J. Agric. Food Chem., 1990, 38, 4, 1038-1041, https://doi.org/10.1021/jf00094a027
. [all data]
Souza, Re-Poppi, et al., 2012
Souza, J.B.G.; Re-Poppi, N.; Raposo, J.L.(Jr).,
Characterization of pyroligneous acid used in agriculture by gas chromatography - mass spectrometry (in press),
J. Braz. Chem. Soc., 2012, 00, 00, 1-8. [all data]
Notes
Go To: Top, Mass spectrum (electron ionization), Gas Chromatography, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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