Record Information
Version1.0
Creation Date2009-07-30 17:56:21 UTC
Update Date2026-03-31 19:26:03 UTC
Accession NumberCHEM002444
Identification
Common Name4-Ethylphenol
ClassSmall Molecule
Description4-Ethylphenol is found in arabica coffee. 4-Ethylphenol (4-EP) is a phenolic compound produced in wine and beer by the spoilage yeast Brettanomyces. (Wikipedia) 4-Ethylphenol belongs to the family of Phenols and Derivatives. These are compounds containing a phenol moiety, which is a benzene bearing an hydroxyl group.
Contaminant Sources
  • EAFUS Chemicals
  • FooDB Chemicals
  • HMDB Contaminants - Urine
  • HPV EPA Chemicals
  • T3DB toxins
  • ToxCast & Tox21 Chemicals
Contaminant Type
  • Food Toxin
  • Fragrance Toxin
  • Fungal Toxin
  • Household Toxin
  • Metabolite
  • Natural Compound
  • Organic Compound
Chemical Structure
Thumb
Synonyms
ValueSource
1-Ethyl-4-hydroxybenzeneChEBI
1-Hydroxy-4-ethylbenzeneChEBI
p-EthylphenolChEBI
Para-ethylphenolChEBI
ParaethylphenolChEBI
4-HydroxyphenylethaneHMDB
4-Ethylphenol, sodium saltMeSH, HMDB
Chemical FormulaC8H10O
Average Molecular Mass122.164 g/mol
Monoisotopic Mass122.073 g/mol
CAS Registry Number123-07-9
IUPAC Name4-ethylphenol
Traditional Nameethylphenol
SMILESCCC1=CC=C(O)C=C1
InChI IdentifierInChI=1S/C8H10O/c1-2-7-3-5-8(9)6-4-7/h3-6,9H,2H2,1H3
InChI KeyHXDOZKJGKXYMEW-UHFFFAOYSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as 1-hydroxy-2-unsubstituted benzenoids. These are phenols that are unsubstituted at the 2-position.
KingdomOrganic compounds
Super ClassBenzenoids
ClassPhenols
Sub Class1-hydroxy-2-unsubstituted benzenoids
Direct Parent1-hydroxy-2-unsubstituted benzenoids
Alternative Parents
Substituents
  • 1-hydroxy-2-unsubstituted benzenoid
  • Monocyclic benzene moiety
  • Organic oxygen compound
  • Hydrocarbon derivative
  • Organooxygen compound
  • Aromatic homomonocyclic compound
Molecular FrameworkAromatic homomonocyclic compounds
External Descriptors
Biological Properties
StatusDetected and Not Quantified
OriginExogenous
Cellular Locations
  • Membrane
Biofluid LocationsNot Available
Tissue LocationsNot Available
PathwaysNot Available
ApplicationsNot Available
Biological Roles
Chemical RolesNot Available
Physical Properties
StateSolid
AppearanceWhite powder.
Experimental Properties
PropertyValue
Melting Point45.0°C
Boiling PointNot Available
Solubility4.9 mg/mL at 25°C [YALKOWSKY,SH & DANNENFELSER,RM (1992)]
Predicted Properties
PropertyValueSource
Water Solubility6.15 g/LALOGPS
logP2.54ALOGPS
logP2.63ChemAxon
logS-1.3ALOGPS
pKa (Strongest Acidic)10.32ChemAxon
pKa (Strongest Basic)-5.4ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area20.23 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity37.68 m³·mol⁻¹ChemAxon
Polarizability13.86 ųChemAxon
Number of Rings1ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyView
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-0a4i-4900000000-45f09ef08787a27c168fSpectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-0a4i-4900000000-49d46baa756331ae6778Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-0a4i-3900000000-8b361994c5f7ad64360eSpectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-0a4i-4900000000-45f09ef08787a27c168fSpectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-0a4i-4900000000-49d46baa756331ae6778Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-0a4i-3900000000-8b361994c5f7ad64360eSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-05fr-7900000000-05a65f70c1492e66a757Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (1 TMS) - 70eV, Positivesplash10-00fu-7900000000-3dec7f128e63d8a41f56Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, PositiveNot AvailableSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-00di-0900000000-fdbf6912a7ccf149feefSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-00di-2900000000-4b8b9fb03827c8f5a5a6Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0pdl-9200000000-89814f9e00f72af2063dSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-00di-0900000000-97e83cc78ca8f67f1e46Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-00di-0900000000-6c86b9784be37918b173Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-00dl-9700000000-6d6b9f71e47253eb13d0Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-00di-3900000000-ca25854e387486e0a9bbSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-016v-9000000000-dfe72983f410cb801cc4Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-00or-9000000000-2db0d010ac93173dee86Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-00di-0900000000-99acd0a74fdc923b2838Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-00di-2900000000-7639744c151c0846bda6Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0006-9100000000-6817cd5ae49f30b5ca1aSpectrum
MSMass Spectrum (Electron Ionization)splash10-0a4i-4900000000-7c02c635b2eaaec85941Spectrum
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
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
Toxicity Profile
Route of ExposureDermal (4) ; inhalation (4) ; oral (4)
Mechanism of ToxicityMetabolized to 1- and 2- phenylethanol (1).
MetabolismNot Available
Toxicity ValuesNot Available
Lethal DoseNot Available
Carcinogenicity (IARC Classification)No indication of carcinogenicity (not listed by IARC). (2)
Uses/SourcesNot Available
Minimum Risk LevelNot Available
Health EffectsRespiratory distress, cardiovascular collapse, shock, ventricular tachycardia, and coma in an adult. Liver, lung, central nervous system and renal injury may also occur (4).
SymptomsSystemic manifestations of toxicity may include nausea, vomiting, diarrhea, dyspnea, tachypnea, pallor, and profuse sweating (4).
TreatmentConsider activated charcoal. Monitor for respiratory distress in case of inhalation exposure. Irrigate exposed eyes with copious amounts of room temperature water for at least 15 minutes. (4)
Concentrations
Not Available
DrugBank IDNot Available
HMDB IDHMDB0029306
FooDB IDFDB000358
Phenol Explorer ID707
KNApSAcK IDC00029528
BiGG IDNot Available
BioCyc IDCPD-10596
METLIN IDNot Available
PDB IDETY
Wikipedia Link4-Ethylphenol
Chemspider ID28982
ChEBI ID49584
PubChem Compound ID31242
Kegg Compound IDC13637
YMDB IDYMDB01617
ECMDB IDM2MDB004723
References
Synthesis ReferenceNot Available
MSDSNot Available
General References
1. https://www.ncbi.nlm.nih.gov/pubmed/?term=11724248
2. https://www.ncbi.nlm.nih.gov/pubmed/?term=22908955
3. https://www.ncbi.nlm.nih.gov/pubmed/?term=23311591
4. https://www.ncbi.nlm.nih.gov/pubmed/?term=24444954
5. Mung D, Li L: Development of Chemical Isotope Labeling LC-MS for Milk Metabolomics: Comprehensive and Quantitative Profiling of the Amine/Phenol Submetabolome. Anal Chem. 2017 Apr 18;89(8):4435-4443. doi: 10.1021/acs.analchem.6b03737. Epub 2017 Mar 28.