Record Information
Version 1.0
Update Date 1/22/2018 12:54:54 PM
Metabolite IDPAMDB120430
Identification
Name: vanillin
Description:A member of the class of benzaldehydes carrying methoxy and hydroxy substituents at positions 3 and 4 respectively.
Structure
Thumb
Synonyms:
  • 3-methoxy-4-hydroxybenzaldehyde
  • 4-formyl-2-methoxyphenol
  • 4-hydroxy 3-methoxybenzaldehyde
  • 4-Hydroxy-3-methoxy-benzaldehyde
  • 4-hydroxy-3-methoxybenzaldehyde
  • 4-Hydroxy-3-methoxybenzaldehyde
  • 4-hydroxy-m-anisaldehyde
  • methylprotocatechuic aldehyde
  • p-hydroxy-m-methoxybenzaldehyde
  • p-vanillin
  • vaniline
  • vanillaldehyde
  • Vanillaldehyde
  • vanillic aldehyde
  • Vanillin
Chemical Formula: C8H8O3
Average Molecular Weight: 152.149
Monoisotopic Molecular Weight: 152.04735
InChI Key: MWOOGOJBHIARFG-UHFFFAOYSA-N
InChI:InChI=1S/C8H8O3/c1-11-8-4-6(5-9)2-3-7(8)10/h2-5,10H,1H3
CAS number: 121-33-5
IUPAC Name:4-hydroxy-3-methoxybenzaldehyde
Traditional IUPAC Name: vanillin
SMILES:COC1(C(=CC=C(C=O)C=1)O)
Chemical Taxonomy
Taxonomy DescriptionThis compound belongs to the class of chemical entities known as methoxyphenols. These are compounds containing a methoxy group attached to the benzene ring of a phenol moiety.
Kingdom Chemical entities
Super ClassOrganic compounds
Class Benzenoids
Sub ClassPhenols
Direct Parent Methoxyphenols
Alternative Parents
Substituents
  • Methoxyphenol
  • Hydroxybenzaldehyde
  • Anisole
  • Benzaldehyde
  • Benzoyl
  • Phenoxy compound
  • Phenol ether
  • Methoxybenzene
  • Alkyl aryl ether
  • Aryl-aldehyde
  • 1-hydroxy-2-unsubstituted benzenoid
  • Monocyclic benzene moiety
  • Ether
  • Organooxygen compound
  • Aldehyde
  • Hydrocarbon derivative
  • Organic oxide
  • Organic oxygen compound
  • Aromatic homomonocyclic compound
Molecular Framework Aromatic homomonocyclic compounds
External Descriptors
Physical Properties
State: Solid
Charge:0
Melting point: 81.5 °C
Experimental Properties:
PropertyValueReference
Melting Point81.5 °CNot Available
Boiling PointNot AvailableNot Available
Water Solubility11 mg/mL at 25 °CNot Available
LogP1.21HANSCH,C ET AL. (1995)
Predicted Properties
PropertyValueSource
Water Solubility5.05 mg/mLALOGPS
logP1.31ALOGPS
logP1.22ChemAxon
logS-1.5ALOGPS
pKa (Strongest Acidic)7.81ChemAxon
pKa (Strongest Basic)-4.9ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area46.53 Å2ChemAxon
Rotatable Bond Count2ChemAxon
Refractivity41.09 m3·mol-1ChemAxon
Polarizability14.82 Å3ChemAxon
Number of Rings1ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Biological Properties
Cellular Locations: Not Available
Reactions:
Pathways:
  • vanillin and vanillate degradation IIPWY-7098
  • vanillin and vanillate degradation IPWY-7097
    Spectra
    Spectra:
    Spectrum TypeDescriptionSplash Key
    Predicted GC-MSPredicted GC-MS Spectrum - GC-MSNot Available
    Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0udi-0900000000-e949414f752aab5e9606View in MoNA
    Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0udi-0900000000-1dcee0be3ba8e1431a7cView in MoNA
    Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0ff9-9400000000-dcd0372357bd9c46926dView in MoNA
    Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0udi-0900000000-6cc5e0ed993af0b790e6View in MoNA
    Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0udi-1900000000-cf1b6af77251971154f9View in MoNA
    Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-000l-9500000000-302ce8740fbb7b9295b9View in MoNA
    MSMass Spectrum (Electron Ionization)splash10-0udi-5900000000-907c9684d5ac0386d522View in MoNA
    1D NMR1H NMR SpectrumNot Available
    1D NMR13C NMR SpectrumNot Available
    References
    References: Not Available
    Synthesis Reference: Not Available
    Material Safety Data Sheet (MSDS) Download (PDF)
    External Links:
    ResourceLink
    METABOLIGHTSMTBLC18346
    HMDBHMDB12308
    CHEMSPIDER13860434
    PUBCHEM1183
    CHEBI18346
    LIGAND-CPDC00755
    NCI403658
    CAS121-33-5