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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Normal alkane RI, polar column, custom temperature program
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 | Stabilwax | Supelcowax-10 | SOLGel-Wax | SOLGel-Wax | DB-Wax |
Column length (m) | 30. | 30. | 30. | 30. | 30. |
Carrier gas | Helium | Helium | Helium | Helium | Hydrogen |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | 0.53 | 0.53 | 0.25 |
Phase thickness (μm) | 0.25 | 0.25 | 0.50 | 0.50 | 0.25 |
Program | 35 0C 3 0C/min -> 100 0C 5 0C/min -> 240 0C (10 min) | 45 0C 3 0C/min -> 230 0C (10 min) 10 0C/min -> 270 0C (21 min) | 40 0C 7 0C/min -> 180 0C 10 0C/min -> 240 0C (10 min) | not specified | 44 0C 3 0C/min -> 170 0C 8 0C/min -> 250 0C |
I | 1975. | 1938. | 1947. | 1965. | 1959. |
Reference | Chinnici, Guerrero, et al., 2009 | de Simon, Estruelas, et al., 2009 | Shu and Shen, 2008 | Shu and Shen, 2008 | Gonzalez-Rios, Suarez-Quiroz, et al., 2007 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | HP-Innowax | HP-Innowax | FFAP | FFAP | FFAP |
Column length (m) | 60. | 60. | 25. | 30. | 30. |
Carrier gas | Helium | Helium | He | He | He |
Substrate | |||||
Column diameter (mm) | 0.32 | 0.32 | 0.32 | 0.32 | 0.32 |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.25 | |
Program | 40 0C (5 min) 4 0C/min -> 60 0C (5 min) 8 0C/min -> 250 0C (3 min) | not specified | 35C(2min) => 40C/min => 60C(2min) => 6C/min => 230C | 35C (2min) => 40C/min => 60C (2min) => 6C/min => 180C => 10C/min => 240C | 35C => 40C/min => 60C(2min) => 4C/min => 240C |
I | 1988. | 1968. | 1958. | 1961. | 1925. |
Reference | Viegas and Bassoli, 2007 | Viegas and Bassoli, 2007 | Zehentbauer and Grosch, 1998 | Schermann and Schieberle, 1997 | Schieberle and Grosch, 1994 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
References
Go To: Top, Normal alkane RI, polar column, custom temperature program, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chinnici, Guerrero, et al., 2009
Chinnici, F.; Guerrero, E.D.; Sonni, F.; Natali, N.; Marin, R.N.; Riponi, C.,
Gas chromatography - mass spectrometry (GC-MS) characterization of volatile compounds in quality vinegars with protected Europian geographical indication,
J. Agric. Food Chem., 2009, 57, 11, 4784-4792, https://doi.org/10.1021/jf804005w
. [all data]
de Simon, Estruelas, et al., 2009
de Simon, B.F.; Estruelas, E.; Munoz, A.M.; Cadahia, E.; Sanz, M.,
Volatile compounds in acacia, chestnut, cherry, ash, and oak woods, with a view to their use in cooperage,
J. Agric. Food Chem., 2009, 57, 8, 3217-3227, https://doi.org/10.1021/jf803463h
. [all data]
Shu and Shen, 2008
Shu, N.; Shen, H.,
Aroma-impact compounds in Lysimachia foenum-graecum extracts,
Flavour Fragr. J., 2008, 24, 1, 1-6, https://doi.org/10.1002/ffj.1908
. [all data]
Gonzalez-Rios, Suarez-Quiroz, et al., 2007
Gonzalez-Rios, O.; Suarez-Quiroz, M.L.; Boulanger, R.; Barel, M.; Guyot, B.; Guiraud, J.-P.; Schorr-Galindo, S.,
Impact of ecological post-harvest processing of coffee aroma: II Roasted coffee.,
J. Food Composition Analysis, 2007, 20, 3-4, 297-307, https://doi.org/10.1016/j.jfca.2006.12.004
. [all data]
Viegas and Bassoli, 2007
Viegas, M.C.; Bassoli, D.G.,
Utilizacao do indice de retencao linear para caracterizacao de compostos volateis em cafe soluvel utilizando GC-MS e coluna HP-Innowax,
Quim. Nova, 2007, 30, 8, 2031-2034, https://doi.org/10.1590/S0100-40422007000800040
. [all data]
Zehentbauer and Grosch, 1998
Zehentbauer, G.; Grosch, W.,
Crust aroma of baguettes. I. Key odorants of baguettes prepared in two different ways,
J. Cereal Science, 1998, 28, 1, 81-92, https://doi.org/10.1006/jcrs.1998.0184
. [all data]
Schermann and Schieberle, 1997
Schermann, P.; Schieberle, P.,
Evaluation of key odorants in milk chocolate and cocoa mass by aroma extract dilution analyses,
J. Agric. Food Chem., 1997, 45, 3, 867-872, https://doi.org/10.1021/jf960670h
. [all data]
Schieberle and Grosch, 1994
Schieberle, P.; Grosch, W.,
Potent odorants of rye bread crust - differences from the crumb and from wheat bread crust,
Z. Lebensm. Unters. Forsch., 1994, 198, 4, 292-296, https://doi.org/10.1007/BF01193177
. [all data]
Notes
Go To: Top, Normal alkane RI, polar column, custom temperature program, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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