Record Information
Version1.0
Creation Date2016-05-25 23:36:46 UTC
Update Date2016-11-09 01:18:25 UTC
Accession NumberCHEM027267
Identification
Common Name5-Hydroxymaltol
ClassSmall Molecule
Description5-Hydroxymaltol is found in cereals and cereal products. 5-Hydroxymaltol is a constituent of flavour of roast barley Hordeum vulgare.
Contaminant Sources
  • FooDB Chemicals
Contaminant TypeNot Available
Chemical Structure
Thumb
Synonyms
ValueSource
2-Methyl-3,5-dihydroxy-4H-pyran-4-oneHMDB
3,5-Dihydroxy-2-methyl-4-pyroneHMDB
3,5-Dihydroxy-2-methyl-4H-pyran-4-oneHMDB
3,5-Dihydroxy-2-methyl-4H-pyran-4-one (hydroxymaltol)HMDB
3,5-Dihydroxy-6-methyl-4-pyroneHMDB
HydroxymaltolHMDB
Pentamethyl-cyclopentaphosphaneHMDB
Chemical FormulaC6H6O4
Average Molecular Mass142.109 g/mol
Monoisotopic Mass142.027 g/mol
CAS Registry Number1073-96-7
IUPAC Name3,5-dihydroxy-2-methyl-4H-pyran-4-one
Traditional Name5-hydroxymaltol
SMILESCC1=C(O)C(=O)C(O)=CO1
InChI IdentifierInChI=1S/C6H6O4/c1-3-5(8)6(9)4(7)2-10-3/h2,7-8H,1H3
InChI KeySSSNQLHKSUJJTE-UHFFFAOYSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as pyranones and derivatives. Pyranones and derivatives are compounds containing a pyran ring which bears a ketone.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassPyrans
Sub ClassPyranones and derivatives
Direct ParentPyranones and derivatives
Alternative Parents
Substituents
  • Pyranone
  • Heteroaromatic compound
  • Cyclic ketone
  • Oxacycle
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Aromatic heteromonocyclic compound
Molecular FrameworkAromatic heteromonocyclic compounds
External DescriptorsNot Available
Biological Properties
StatusDetected and Not Quantified
OriginNot Available
Cellular LocationsNot Available
Biofluid LocationsNot Available
Tissue LocationsNot Available
PathwaysNot Available
ApplicationsNot Available
Biological RolesNot Available
Chemical RolesNot Available
Physical Properties
StateNot Available
AppearanceNot Available
Experimental Properties
PropertyValue
Melting PointNot Available
Boiling PointNot Available
SolubilityNot Available
Predicted Properties
PropertyValueSource
Water Solubility68.3 g/LALOGPS
logP-0.42ALOGPS
logP0.3ChemAxon
logS-0.32ALOGPS
pKa (Strongest Acidic)8.37ChemAxon
pKa (Strongest Basic)-3.9ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area66.76 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity35.69 m³·mol⁻¹ChemAxon
Polarizability12.53 ųChemAxon
Number of Rings1ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyView
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-0006-7900000000-77b9b505d3c126671ed8Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (2 TMS) - 70eV, Positivesplash10-00di-5890000000-1cae50d74246ca973a71Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, PositiveNot AvailableSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0006-0900000000-c30d13ad8eda37dcee40Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0006-1900000000-f3c3c22221a8b62fe2feSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0a7i-9100000000-70c8597f9c0f33926a99Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0006-0900000000-8e17719a88a9f2d7bb78Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0006-6900000000-31f2a664c8d65d10c5efSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0a59-9100000000-551597aac232c5e88fd2Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0006-0900000000-0c99f72c61ed7201e39fSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-052f-9600000000-f18b663946402358979cSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0a4l-9000000000-2ea9ada6faeaf66c7718Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0006-1900000000-deb742e89467c13c8806Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-052f-9100000000-83647a564edc1eeadcffSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0a4l-9000000000-6accb45caab51d2f2563Spectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
Toxicity Profile
Route of ExposureNot Available
Mechanism of ToxicityNot Available
MetabolismNot Available
Toxicity ValuesNot Available
Lethal DoseNot Available
Carcinogenicity (IARC Classification)Not Available
Uses/SourcesNot Available
Minimum Risk LevelNot Available
Health EffectsNot Available
SymptomsNot Available
TreatmentNot Available
Concentrations
Not Available
DrugBank IDNot Available
HMDB IDHMDB0032988
FooDB IDFDB010977
Phenol Explorer IDNot Available
KNApSAcK IDC00055673
BiGG IDNot Available
BioCyc IDNot Available
METLIN IDNot Available
PDB IDNot Available
Wikipedia Link5-Hydroxymaltol
Chemspider ID63795
ChEBI IDNot Available
PubChem Compound ID70627
Kegg Compound IDNot Available
YMDB IDNot Available
ECMDB IDNot Available
References
Synthesis ReferenceNot Available
MSDSNot Available
General References
1. Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.