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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2013-03-07 21:31:13 UTC
Update Date2022-03-07 03:17:36 UTC
HMDB IDHMDB0059819
Secondary Accession Numbers
  • HMDB59819
Metabolite Identification
Common Nameo-Ethyltoluene
Descriptiono-Ethyltoluene belongs to the class of organic compounds known as toluenes. Toluenes are compounds containing a benzene ring which bears a methane group. o-Ethyltoluene is possibly neutral. These are compounds containing a benzene ring which bears a methane group.
Structure
Data?1563865978
Synonyms
ValueSource
1,2-MethylethylbenzeneChEBI
1-Methyl-2-ethylbenzeneChEBI
2-EthyltolueneChEBI
O-MethylethylbenzeneChEBI
Ortho-ethyltolueneChEBI
1-Ethyl-2-methylbenzeneKegg
O-EthyltolueneChEBI
Chemical FormulaC9H12
Average Molecular Weight120.1916
Monoisotopic Molecular Weight120.093900384
IUPAC Name1-ethyl-2-methylbenzene
Traditional Nameo-ethyltoluene
CAS Registry NumberNot Available
SMILES
CCC1=C(C)C=CC=C1
InChI Identifier
InChI=1S/C9H12/c1-3-9-7-5-4-6-8(9)2/h4-7H,3H2,1-2H3
InChI KeyHYFLWBNQFMXCPA-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as toluenes. Toluenes are compounds containing a benzene ring which bears a methane group.
KingdomOrganic compounds
Super ClassBenzenoids
ClassBenzene and substituted derivatives
Sub ClassToluenes
Direct ParentToluenes
Alternative Parents
Substituents
  • Toluene
  • Aromatic hydrocarbon
  • Unsaturated hydrocarbon
  • Hydrocarbon
  • Aromatic homomonocyclic compound
Molecular FrameworkAromatic homomonocyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
RoleNot Available
Physical Properties
StateNot Available
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility0.057 g/LALOGPS
logP3.87ALOGPS
logP3.44ChemAxon
logS-3.3ALOGPS
Physiological Charge0ChemAxon
Hydrogen Acceptor Count0ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area0 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity40.74 m³·mol⁻¹ChemAxon
Polarizability14.86 ųChemAxon
Number of Rings1ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DarkChem[M+H]+125.11331661259
DarkChem[M-H]-123.07231661259
DeepCCS[M+H]+129.30330932474
DeepCCS[M-H]-125.68130932474
DeepCCS[M-2H]-163.06830932474
DeepCCS[M+Na]+138.29530932474
AllCCS[M+H]+120.932859911
AllCCS[M+H-H2O]+116.032859911
AllCCS[M+NH4]+125.532859911
AllCCS[M+Na]+126.932859911
AllCCS[M-H]-124.132859911
AllCCS[M+Na-2H]-126.232859911
AllCCS[M+HCOO]-128.532859911

Predicted Retention Times

Underivatized

Chromatographic MethodRetention TimeReference
Measured using a Waters Acquity ultraperformance liquid chromatography (UPLC) ethylene-bridged hybrid (BEH) C18 column (100 mm × 2.1 mm; 1.7 μmparticle diameter). Predicted by Afia on May 17, 2022. Predicted by Afia on May 17, 2022.6.28 minutes32390414
Predicted by Siyang on May 30, 202217.7915 minutes33406817
Predicted by Siyang using ReTip algorithm on June 8, 20224.15 minutes32390414
Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid2136.7 seconds40023050
Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid690.0 seconds40023050
Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid270.8 seconds40023050
Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid475.2 seconds40023050
RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid335.3 seconds40023050
Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid724.6 seconds40023050
BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid766.0 seconds40023050
HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate)221.0 seconds40023050
UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid1498.2 seconds40023050
BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid614.5 seconds40023050
UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid1541.7 seconds40023050
SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid521.8 seconds40023050
RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid482.1 seconds40023050
MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate567.6 seconds40023050
KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA479.5 seconds40023050
Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water38.4 seconds40023050

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
o-EthyltolueneCCC1=C(C)C=CC=C11257.7Standard polar33892256
o-EthyltolueneCCC1=C(C)C=CC=C1967.4Standard non polar33892256
o-EthyltolueneCCC1=C(C)C=CC=C1980.7Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Experimental GC-MSGC-MS Spectrum - o-Ethyltoluene CI-B (Non-derivatized)splash10-00di-0900000000-bf9fb381656d57a46a342017-09-12HMDB team, MONA, MassBankView Spectrum
Experimental GC-MSGC-MS Spectrum - o-Ethyltoluene CI-B (Non-derivatized)splash10-00di-0900000000-bf9fb381656d57a46a342018-05-18HMDB team, MONA, MassBankView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - o-Ethyltoluene GC-MS (Non-derivatized) - 70eV, Positivesplash10-0abc-8900000000-6fc5e381a8efc902dd6a2016-09-22Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - o-Ethyltoluene GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - o-Ethyltoluene GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - o-Ethyltoluene 10V, Positive-QTOFsplash10-00di-0900000000-da3c283f81ce3770c9732016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - o-Ethyltoluene 20V, Positive-QTOFsplash10-00di-2900000000-293c03b857d5e0a76f7e2016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - o-Ethyltoluene 40V, Positive-QTOFsplash10-0pdl-9300000000-deffba8e30ec74d7231c2016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - o-Ethyltoluene 10V, Negative-QTOFsplash10-014i-0900000000-945c33e3195846a4cd7b2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - o-Ethyltoluene 20V, Negative-QTOFsplash10-014i-0900000000-7ca74bc8593d9e4a27a42016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - o-Ethyltoluene 40V, Negative-QTOFsplash10-0uxu-7900000000-69f11a6aa31362c496392016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - o-Ethyltoluene 10V, Positive-QTOFsplash10-00dl-9600000000-466b3fbdc4db9210636b2021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - o-Ethyltoluene 20V, Positive-QTOFsplash10-0006-9200000000-49cacca44bd755d8004f2021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - o-Ethyltoluene 40V, Positive-QTOFsplash10-004i-9000000000-856bd3fa6f75427950b32021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - o-Ethyltoluene 10V, Negative-QTOFsplash10-014i-0900000000-794ffb5dd5f7d8f3ef502021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - o-Ethyltoluene 20V, Negative-QTOFsplash10-014i-1900000000-1acbf11dd396b2d71fb12021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - o-Ethyltoluene 40V, Negative-QTOFsplash10-01ox-9100000000-6a834d327d3b623e1ecb2021-09-22Wishart LabView Spectrum

NMR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Biological Properties
Cellular Locations
  • Membrane (predicted from logP)
Biospecimen Locations
  • Feces
  • Saliva
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
FecesDetected but not QuantifiedNot QuantifiedAdult (>18 years old)Both
Normal
details
SalivaDetected but not QuantifiedNot QuantifiedAdult (>18 years old)Both
Normal
    • Zerihun T. Dame, ...
details
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDNot Available
KNApSAcK IDNot Available
Chemspider IDNot Available
KEGG Compound IDC14572
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia Link4-Ethyltoluene
METLIN IDNot Available
PubChem Compound11903
PDB IDNot Available
ChEBI ID34276
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General ReferencesNot Available