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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2012-09-11 17:31:42 UTC
Update Date2023-02-21 17:18:55 UTC
HMDB IDHMDB0029638
Secondary Accession Numbers
  • HMDB29638
Metabolite Identification
Common Name4-Methylbenzaldehyde
Description4-Methylbenzaldehyde, also known as p-toluylaldehyde or p-formyltoluene, belongs to the class of organic compounds known as benzoyl derivatives. A tolualdehyde compound with the methyl substituent at the 4-position. These are organic compounds containing an acyl moiety of benzoic acid with the formula (C6H5CO-). 4-Methylbenzaldehyde is a cherry and fruity tasting compound. 4-Methylbenzaldehyde has been detected, but not quantified, in several different foods, such as caraway, sweet cherries, tea, nuts, and coffee and coffee products.
Structure
Data?1676999934
Synonyms
ValueSource
4-TolualdehydeChEBI
4-ToluylaldehydeChEBI
p-FormyltolueneChEBI
p-MethylbenzaldehydeChEBI
p-ToluylaldehydeChEBI
p-TolylaldehydeChEBI
Para-methylbenzaldehydeChEBI
Para-tolualdehydeChEBI
Para-toluyl aldehydeChEBI
ParatolualdehydeChEBI
PTALChEBI
4-Methyl-benzaldehydeHMDB
P-TolualdehydeHMDB
P-Toluic aldehydeHMDB
4-MethylbenzaldehydeChEBI
Chemical FormulaC8H8O
Average Molecular Weight120.1485
Monoisotopic Molecular Weight120.057514878
IUPAC Name4-methylbenzaldehyde
Traditional NameP-tolualdehyde
CAS Registry Number104-87-0
SMILES
CC1=CC=C(C=O)C=C1
InChI Identifier
InChI=1S/C8H8O/c1-7-2-4-8(6-9)5-3-7/h2-6H,1H3
InChI KeyFXLOVSHXALFLKQ-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as benzoyl derivatives. These are organic compounds containing an acyl moiety of benzoic acid with the formula (C6H5CO-).
KingdomOrganic compounds
Super ClassBenzenoids
ClassBenzene and substituted derivatives
Sub ClassBenzoyl derivatives
Direct ParentBenzoyl derivatives
Alternative Parents
Substituents
  • Benzoyl
  • Benzaldehyde
  • Aryl-aldehyde
  • Toluene
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Aldehyde
  • Aromatic homomonocyclic compound
Molecular FrameworkAromatic homomonocyclic compounds
External Descriptors
Ontology
Physiological effect
Disposition
ProcessNot Available
Role
Physical Properties
StateLiquid
Experimental Molecular Properties
PropertyValueReference
Melting Point-6 °CNot Available
Boiling Point204.00 °C. @ 760.00 mm HgThe Good Scents Company Information System
Water Solubility2.27 mg/mL at 25 °CNot Available
LogP2.100 (est)The Good Scents Company Information System
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility1.47 g/LALOGPS
logP2.01ALOGPS
logP2.2ChemAxon
logS-1.9ALOGPS
pKa (Strongest Basic)-7.1ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area17.07 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity37.68 m³·mol⁻¹ChemAxon
Polarizability13.17 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]+123.30831661259
DarkChem[M-H]-120.51231661259
DeepCCS[M+H]+125.73630932474
DeepCCS[M-H]-122.00630932474
DeepCCS[M-2H]-159.27830932474
DeepCCS[M+Na]+134.55230932474
AllCCS[M+H]+122.032859911
AllCCS[M+H-H2O]+117.132859911
AllCCS[M+NH4]+126.632859911
AllCCS[M+Na]+128.032859911
AllCCS[M-H]-122.132859911
AllCCS[M+Na-2H]-124.132859911
AllCCS[M+HCOO]-126.332859911

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, 2022.4.96 minutes32390414
Predicted by Siyang on May 30, 202214.6576 minutes33406817
Predicted by Siyang using ReTip algorithm on June 8, 20223.64 minutes32390414
Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid1669.5 seconds40023050
Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid556.6 seconds40023050
Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid210.5 seconds40023050
Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid372.1 seconds40023050
RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid245.5 seconds40023050
Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid558.5 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 Acid706.4 seconds40023050
HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate)264.2 seconds40023050
UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid1221.8 seconds40023050
BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid459.9 seconds40023050
UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid1256.1 seconds40023050
SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid397.5 seconds40023050
RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid474.4 seconds40023050
MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate557.9 seconds40023050
KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA448.9 seconds40023050
Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water125.7 seconds40023050

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
4-MethylbenzaldehydeCC1=CC=C(C=O)C=C11644.5Standard polar33892256
4-MethylbenzaldehydeCC1=CC=C(C=O)C=C11026.3Standard non polar33892256
4-MethylbenzaldehydeCC1=CC=C(C=O)C=C11083.5Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Experimental GC-MSGC-MS Spectrum - 4-Methylbenzaldehyde EI-B (Non-derivatized)splash10-01bc-9600000000-ce2e5bcb9aa7941f7f8b2017-09-12HMDB team, MONA, MassBankView Spectrum
Experimental GC-MSGC-MS Spectrum - 4-Methylbenzaldehyde EI-B (Non-derivatized)splash10-01bc-8900000000-cc469f3657d6fab4bdef2017-09-12HMDB team, MONA, MassBankView Spectrum
Experimental GC-MSGC-MS Spectrum - 4-Methylbenzaldehyde EI-B (Non-derivatized)splash10-01bc-9700000000-ff0e14ae428ad7d543942017-09-12HMDB team, MONA, MassBankView Spectrum
Experimental GC-MSGC-MS Spectrum - 4-Methylbenzaldehyde EI-B (Non-derivatized)splash10-00r6-9500000000-8499fc6c52a970ddef6f2017-09-12HMDB team, MONA, MassBankView Spectrum
Experimental GC-MSGC-MS Spectrum - 4-Methylbenzaldehyde EI-B (Non-derivatized)splash10-01bc-9600000000-ce2e5bcb9aa7941f7f8b2018-05-18HMDB team, MONA, MassBankView Spectrum
Experimental GC-MSGC-MS Spectrum - 4-Methylbenzaldehyde EI-B (Non-derivatized)splash10-01bc-8900000000-cc469f3657d6fab4bdef2018-05-18HMDB team, MONA, MassBankView Spectrum
Experimental GC-MSGC-MS Spectrum - 4-Methylbenzaldehyde EI-B (Non-derivatized)splash10-01bc-9700000000-ff0e14ae428ad7d543942018-05-18HMDB team, MONA, MassBankView Spectrum
Experimental GC-MSGC-MS Spectrum - 4-Methylbenzaldehyde EI-B (Non-derivatized)splash10-00r6-9500000000-8499fc6c52a970ddef6f2018-05-18HMDB team, MONA, MassBankView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 4-Methylbenzaldehyde GC-MS (Non-derivatized) - 70eV, Positivesplash10-00dl-7900000000-acfd82b6910ab19dc8d72016-09-22Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 4-Methylbenzaldehyde GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
MSMass Spectrum (Electron Ionization)splash10-01bc-9700000000-1039b386245d6043345a2015-03-01Not AvailableView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Methylbenzaldehyde 10V, Positive-QTOFsplash10-00di-0900000000-9362f48133f31ddd74ff2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Methylbenzaldehyde 20V, Positive-QTOFsplash10-00di-1900000000-d5b9f692b57ef151c9c82016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Methylbenzaldehyde 40V, Positive-QTOFsplash10-0fb9-9100000000-481e99622a759871cc282016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Methylbenzaldehyde 10V, Negative-QTOFsplash10-014i-0900000000-75cec0be2fe89d6590b02016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Methylbenzaldehyde 20V, Negative-QTOFsplash10-014i-0900000000-75cec0be2fe89d6590b02016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Methylbenzaldehyde 40V, Negative-QTOFsplash10-014i-9700000000-be1fac9e49413c7699b32016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Methylbenzaldehyde 10V, Negative-QTOFsplash10-014i-0900000000-972f865a96261dcb891a2021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Methylbenzaldehyde 20V, Negative-QTOFsplash10-014i-4900000000-4f75f82822455b674cbf2021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Methylbenzaldehyde 40V, Negative-QTOFsplash10-00kf-9200000000-88842142b7b5e6c0d9392021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Methylbenzaldehyde 10V, Positive-QTOFsplash10-0006-9100000000-08879aa81833e1021a262021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Methylbenzaldehyde 20V, Positive-QTOFsplash10-0006-9000000000-1b8adc639ba759803e532021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Methylbenzaldehyde 40V, Positive-QTOFsplash10-0f96-9000000000-0ec0de4050c8dfde95642021-09-25Wishart LabView Spectrum

NMR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted 1D NMR13C NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum

IR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+)2023-02-03FELIX labView Spectrum
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+)2023-02-03FELIX labView Spectrum
Biological Properties
Cellular Locations
  • Cytoplasm
  • Extracellular
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
BiospecimenStatusValueAgeSexConditionReferenceDetails
FecesDetected but not QuantifiedNot QuantifiedAdult (>18 years old)Both
Campylobacter jejuni infection
details
FecesDetected but not QuantifiedNot QuantifiedAdult (>18 years old)Both
Ulcerative Colitis
details
Associated Disorders and Diseases
Disease References
Ulcerative colitis
  1. Garner CE, Smith S, de Lacy Costello B, White P, Spencer R, Probert CS, Ratcliffe NM: Volatile organic compounds from feces and their potential for diagnosis of gastrointestinal disease. FASEB J. 2007 Jun;21(8):1675-88. Epub 2007 Feb 21. [PubMed:17314143 ]
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB000808
KNApSAcK IDC00047546
Chemspider ID13865424
KEGG Compound IDC06758
BioCyc IDCPD-8773
BiGG IDNot Available
Wikipedia Link4-Methylbenzaldehyde
METLIN IDNot Available
PubChem Compound7725
PDB IDNot Available
ChEBI ID28617
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDrw1003422
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. (). Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.. .