Record Information
Version1.0
Creation date2010-04-08 22:06:25 UTC
Update date2019-11-26 03:00:15 UTC
Primary IDFDB004830
Secondary Accession NumbersNot Available
Chemical Information
FooDB NameAzulene
DescriptionAzulene, also known as cyclopentacycloheptene or azulekeep, is a member of the class of compounds known as azulenes. Azulenes are polycyclic aromatic compounds containing the azulene skeleton, which consists of the cyclopentadiene ring fused to a cycloheptadiene ring. Azulene can be found in a number of food items such as anise, roman camomile, peppermint, and german camomile, which makes azulene a potential biomarker for the consumption of these food products. Azulene is a non-carcinogenic (not listed by IARC) potentially toxic compound. Azulene is an organic compound and an isomer of naphthalene. Whereas naphthalene is colourless, azulene is dark blue. Two terpenoids, vetivazulene (4,8-dimethyl-2-isopropylazulene) and guaiazulene (1,4-dimethyl-7-isopropylazulene), that feature the azulene skeleton are found in nature as constituents of pigments in mushrooms, guaiac wood oil, and some marine invertebrates . PAHs are carcinogens and have been associated with the increased risk of skin, respiratory tract, bladder, stomach, and kidney cancers. They may also cause reproductive effects and depress the immune system (L10) (T3DB).
CAS Number275-51-4
Structure
Thumb
Synonyms
Predicted Properties
PropertyValueSource
Water Solubility0.41 g/LALOGPS
logP3.51ALOGPS
logP2.96ChemAxon
logS-2.5ALOGPS
Physiological Charge0ChemAxon
Hydrogen Acceptor Count0ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area0 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity42.51 m³·mol⁻¹ChemAxon
Polarizability14.7 ųChemAxon
Number of Rings2ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
Chemical FormulaC10H8
IUPAC nameazulene
InChI IdentifierInChI=1S/C10H8/c1-2-5-9-7-4-8-10(9)6-3-1/h1-8H
InChI KeyCUFNKYGDVFVPHO-UHFFFAOYSA-N
Isomeric SMILESC1=CC2=CC=CC=CC2=C1
Average Molecular Weight128.1705
Monoisotopic Molecular Weight128.062600256
Classification
Description Belongs to the class of organic compounds known as azulenes. These are polycyclic aromatic compounds containing the azulene skeleton, which consists of the cyclopentadiene ring fused to a cycloheptadiene ring.
KingdomOrganic compounds
Super ClassHydrocarbons
ClassUnsaturated hydrocarbons
Sub ClassOlefins
Direct ParentAzulenes
Alternative Parents
Substituents
  • Azulene
  • Aromatic hydrocarbon
  • Polycyclic hydrocarbon
  • Aromatic homopolycyclic compound
Molecular FrameworkAromatic homopolycyclic compounds
External Descriptors
Ontology
OntologyNo ontology term
Physico-Chemical Properties
Physico-Chemical Properties - Experimental
Spectra
Spectra
EI-MS/GC-MS
TypeDescriptionSplash KeyView
EI-MSMass Spectrum (Electron Ionization)splash10-004i-2900000000-ddfe7244d5f01ca469982014-09-20View Spectrum
Predicted GC-MSAzulene, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positivesplash10-004i-0900000000-9100e2e177a5220488b8Spectrum
Predicted GC-MSAzulene, non-derivatized, Predicted GC-MS Spectrum - 70eV, PositiveNot AvailableSpectrum
MS/MS
TypeDescriptionSplash KeyView
Predicted MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-004i-0900000000-c58668897462a120be2c2016-08-03View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-004i-0900000000-5a9b05b0e3abe8a17d1d2016-08-03View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-004i-1900000000-9435ad04abd5c7a3b5a62016-08-03View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-004i-0900000000-878dba5e57117c17431d2016-08-03View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-004i-0900000000-c732623515fe642c30af2016-08-03View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-004i-1900000000-79c79d6e40451aba8b2d2016-08-03View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-004i-0900000000-71e8922109bea9aa624a2021-10-12View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-004i-1900000000-18bcf87334724dba4c792021-10-12View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-03fr-9400000000-bfa403c802210a24e88e2021-10-12View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-004i-0900000000-ec6816397577a7beb93f2021-10-12View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-004i-0900000000-ec6816397577a7beb93f2021-10-12View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-004i-0900000000-2e84393d7d2cb0f2230f2021-10-12View Spectrum
NMR
TypeDescriptionView
1D NMR1H NMR Spectrum (1D, 90 MHz, CDCl3, experimental)Spectrum
1D NMR13C NMR Spectrum (1D, 25.16 MHz, CDCl3, experimental)Spectrum
ChemSpider IDNot Available
ChEMBL IDNot Available
KEGG Compound IDC13392
Pubchem Compound ID9231
Pubchem Substance IDNot Available
ChEBI ID31249
Phenol-Explorer IDNot Available
DrugBank IDNot Available
HMDB IDNot Available
CRC / DFC (Dictionary of Food Compounds) IDNot Available
EAFUS IDNot Available
Dr. Duke IDAZULENE
BIGG IDNot Available
KNApSAcK IDNot Available
HET IDNot Available
Food Biomarker OntologyNot Available
VMH IDNot Available
Flavornet IDNot Available
GoodScent IDNot Available
SuperScent IDNot Available
Wikipedia IDNot Available
Phenol-Explorer Metabolite IDNot Available
Duplicate IDSNot Available
Old DFC IDSNot Available
Associated Foods
FoodContent Range AverageReference
Processing...
Biological Effects and Interactions
Health Effects / Bioactivities
EnzymesNot Available
PathwaysNot Available
MetabolismNot Available
BiosynthesisNot Available
Organoleptic Properties
FlavoursNot Available
Files
MSDSNot Available
References
Synthesis ReferenceNot Available
General ReferenceNot Available
Content Reference— Duke, James. 'Dr. Duke's Phytochemical and Ethnobotanical Databases. United States Department of Agriculture.' Agricultural Research Service, Accessed April 27 (2004).