2(3H)-Furanone, dihydro-5-methyl-
- Formula: C5H8O2
- Molecular weight: 100.1158
- IUPAC Standard InChI: InChI=1S/C5H8O2/c1-4-2-3-5(6)7-4/h4H,2-3H2,1H3
- IUPAC Standard InChIKey: GAEKPEKOJKCEMS-UHFFFAOYSA-N
- CAS Registry Number: 108-29-2
- 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. - Species with the same structure:
- Other names: γ-Methyl-γ-butyrolactone; γ-Pentalactone; γ-Valerolactone; Pentanoic acid, 4-hydroxy-, γ-lactone; 4-Hydroxypentanoic acid lactone; 4-Hydroxyvaleric acid lactone; 4-Methyl-γ-butyrolactone; 4-Pentanolide; 4-Valerolactone; γ-Pentanolactone; γ-Valerolakton; Dihydro-5-methyl-2(3H)-furanone; Valeric acid, 4-hydroxy-, gamma-lactone; gamma-Valerolactone; 5-Methyldihydrofuran-2(3H)-one; 5-methyltetrahydrofuran-2-one; Dihydro-5-methyl-2-furanone; (.+/-.)-γ-Valerolactone; (.+/-.)-4-Methylbutyrolactone; 5-Methyltetrahydro-2-furanone; NSC 33700; Valeric acid, 4-hydroxy-, γ-lactone; 5-Methyldihydro-2(3H)-furanone; Pentan-4-olide; 5-Methyloxolan-2-one; Valerolactone
- Information on this page:
- Other data available:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Van Den Dool and Kratz RI, 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 | Capillary |
|---|---|---|---|---|---|
| Active phase | DB-Wax | CP-Wax 52CB | DB-Wax | DB-Wax | Supelcowax-10 |
| Column length (m) | 60. | 50. | 30. | 30. | 60. |
| Carrier gas | He | He | |||
| Substrate | |||||
| Column diameter (mm) | 0.25 | 0.32 | 0.32 | 0.32 | 0.25 |
| Phase thickness (μm) | 0.25 | 0.5 | 0.5 | 0.25 | |
| Tstart (C) | 40. | 60. | 40. | 40. | 35. |
| Tend (C) | 200. | 220. | 245. | 245. | 195. |
| Heat rate (K/min) | 4. | 4. | 2. | 2. | 2. |
| Initial hold (min) | 1. | 5. | 3. | 3. | |
| Final hold (min) | 10. | 30. | 20. | 20. | 90. |
| I | 1619. | 1595. | 1589. | 1589. | 1619. |
| Reference | Cho, Choi, et al., 2006 | Mahadevan and Farmer, 2006 | Aubert, Günata, et al., 2003 | Aubert, Günata, et al., 2003 | Chung, 2000 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
| Column type | Capillary |
|---|---|
| Active phase | DB-Wax |
| Column length (m) | 30. |
| Carrier gas | He |
| Substrate | |
| Column diameter (mm) | 0.25 |
| Phase thickness (μm) | |
| Tstart (C) | 40. |
| Tend (C) | 200. |
| Heat rate (K/min) | 2. |
| Initial hold (min) | 5. |
| Final hold (min) | |
| I | 1600. |
| Reference | Iwaoka, Hagi, et al., 1994 |
| Comment | MSDC-RI |
References
Go To: Top, Van Den Dool and Kratz RI, 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.
Cho, Choi, et al., 2006
Cho, I.H.; Choi, H.-K.; Kim, Y.-S.,
Difference in the volatile composition of pine-mushrooms (Tricholoma matsutake Sing.) according to their grades,
J. Agric. Food Chem., 2006, 54, 13, 4820-4825, https://doi.org/10.1021/jf0601416
. [all data]
Mahadevan and Farmer, 2006
Mahadevan, K.; Farmer, L.,
Key Odor Impact Compounds in Three Yeast Extract Pastes,
J. Agric. Food Chem., 2006, 54, 19, 7242-7250, https://doi.org/10.1021/jf061102x
. [all data]
Aubert, Günata, et al., 2003
Aubert, C.; Günata; Ambid, C.; Baumes, R.,
Changes in physicochemical characteristics and volatile constituents of yellow- and white-fleshed nectarines during maturation and artificial ripening,
J. Agric. Food Chem., 2003, 51, 10, 3083-3091, https://doi.org/10.1021/jf026153i
. [all data]
Chung, 2000
Chung, H.Y.,
Volatile flavor components in red fermented soybean (Glycine max) curds,
J. Agric. Food Chem., 2000, 48, 5, 1803-1809, https://doi.org/10.1021/jf991272s
. [all data]
Iwaoka, Hagi, et al., 1994
Iwaoka, W.; Hagi, Y.; Umano, K.; Shibamoto, T.,
Volatile chemicals identified in fresh and cooked breadfruit,
J. Agric. Food Chem., 1994, 42, 4, 975-976, https://doi.org/10.1021/jf00040a026
. [all data]
Notes
Go To: Top, Van Den Dool and Kratz RI, 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
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.