Maltol
- Formula: C6H6O3
- Molecular weight: 126.1100
- IUPAC Standard InChIKey: XPCTZQVDEJYUGT-UHFFFAOYSA-N
- CAS Registry Number: 118-71-8
- 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: 4H-Pyran-4-one, 3-hydroxy-2-methyl-; Larixic acid; Larixinic acid; Palatone; 3-Hydroxy-2-methyl-4-pyrone; 3-Hydroxy-2-methylpyrone; 3-Hydroxy-2-methyl-4-pyranone; 3-Hydroxy-2-methyl-1,4-pyrone; Corps praline; Talmon; Vetol; 2-Methyl pyromeconic acid; 2-Methyl-3-hydroxy-4-pyrone; 3-Hydroxy-2-methyl-γ-pyrone; 3-Hydroxy-2-methyl-4H-pyran-4-one; 2-Methyl-3-oxy-γ-pyrone; Veltol; 2-Methyl-3-hydroxy-4-pyranone; 3-hydroxy-2-methylpyran-4-one; 5-Hydroxy-6-methyl-4H-pyran-4-one; NSC 2829; 5-Hydroxy-6-methyl-4H-pyran-4-one (maltol); 3-hydroxy-2-methyl-4-pyrone (maltol); 2-methyl-3-hydroxy-4-pyranone (maltol); 2-hydroxy-3-methyl-4H-pyran-4-one (maltol); 3-Hydroxy-2-methyl-4H-pyranone; 3-Hydroxy-2-methyl-4H-pyran-4-one (maltol); 3-Hydroxy-2-methyl-4(4H)-pyranone; 3-Hydroxy-2-pyran-4-one (maltol)
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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 | Capillary |
---|---|---|---|---|---|
Active phase | DB-5MS | DB-5 | ZB-5 | DB-5 | DB-5MS |
Column length (m) | 30. | 30. | 30. | 30. | 30. |
Carrier gas | He | Helium | He | He | |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | 0.32 | 0.32 | 0.25 |
Phase thickness (μm) | 0.25 | 0.25 | 0.50 | 1. | 0.25 |
Tstart (C) | 35. | 40. | 40. | 40. | 35. |
Tend (C) | 225. | 200. | 265. | 230. | 200. |
Heat rate (K/min) | 10. | 10. | 7. | 5. | 10. |
Initial hold (min) | 5. | 5. | 4. | 5. | |
Final hold (min) | 25. | 15. | 5. | 10. | 30. |
I | 1133. | 1060. | 1114. | 1088. | 1088. |
Reference | Lozano P.R., Drake M., et al., 2007 | Avsar, Karagul-Yuceer, et al., 2004 | Bell, 2004 | Mahajan, Goddik, et al., 2004 | Karagül-Yüceer, Vlahovich, et al., 2003 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary |
---|---|---|---|
Active phase | DB-5 | DB-5 | DB-5 |
Column length (m) | 30. | 30. | 30. |
Carrier gas | H2 | ||
Substrate | |||
Column diameter (mm) | 0.32 | 0.32 | 0.25 |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 |
Tstart (C) | 35. | 35. | 50. |
Tend (C) | 200. | 200. | 290. |
Heat rate (K/min) | 10. | 10. | 4. |
Initial hold (min) | 5. | 5. | |
Final hold (min) | 30. | 30. | |
I | 1091. | 1088. | 1098. |
Reference | Karagül-Yüceer, Cadwallader, et al., 2002 | Karagül-Yüceer, Drake, et al., 2001 | da Silva, Borba, et al., 1999 |
Comment | 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.
Lozano P.R., Drake M., et al., 2007
Lozano P.R.; Drake M.; Benitez D.; Cadwallader K.R.,
Instrumental and sensory characterization of heat-induced odorants in aseptically packaged soy milk,
J. Agric. Food Chem., 2007, 55, 8, 3018-3026, https://doi.org/10.1021/jf0631225
. [all data]
Avsar, Karagul-Yuceer, et al., 2004
Avsar, Y.K.; Karagul-Yuceer, Y.; Drake, M.A.; Singh, T.K.; Yoon, Y.; Cadwallader, K.R.,
Characterization of nutty flavor in cheddar cheese,
J. Dairy Sci., 2004, 87, 7, 1999-2010, https://doi.org/10.3168/jds.S0022-0302(04)70017-X
. [all data]
Bell, 2004
Bell, W.A.-M.,
Examination of Aroma Volatiles Formed from Thermal Processing of Florida Reconstituted Grapefruit Juice. A Thesis presented to the graduate school of the university of Florida in partial fulfillment of the requirements for the degree of master of science, 2004. [all data]
Mahajan, Goddik, et al., 2004
Mahajan, S.S.; Goddik, L.; Qian, M.C.,
Aroma Compounds in Sweet Whey Powder,
J. Dairy Sci., 2004, 87, 12, 4057-4063, https://doi.org/10.3168/jds.S0022-0302(04)73547-X
. [all data]
Karagül-Yüceer, Vlahovich, et al., 2003
Karagül-Yüceer, Y.; Vlahovich, K.N.; Drake, M.A.; Cadwallader, K.R.,
Characteristic aroma components of rennet casein,
J. Agric. Food Chem., 2003, 51, 23, 6797-6801, https://doi.org/10.1021/jf0345806
. [all data]
Karagül-Yüceer, Cadwallader, et al., 2002
Karagül-Yüceer, Y.; Cadwallader, K.R.; Drake, M.A.,
Volatile flavor components of stored nonfat dry milk,
J. Agric. Food Chem., 2002, 50, 2, 305-312, https://doi.org/10.1021/jf010648a
. [all data]
Karagül-Yüceer, Drake, et al., 2001
Karagül-Yüceer, Y.; Drake, M.; Cadwallader, K.R.,
Aroma-active components of nonfat dry milk,
J. Agric. Food Chem., 2001, 49, 6, 2948-2953, https://doi.org/10.1021/jf0009854
. [all data]
da Silva, Borba, et al., 1999
da Silva, U.F.; Borba, E.L.; Semir, J.; Marsaioli, A.J.,
A simple solid injection device for the analyses of Bulbophyllum (Orchidaceae) volatiles,
Phytochemistry, 1999, 50, 1, 31-34, https://doi.org/10.1016/S0031-9422(98)00459-2
. [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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