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Record Information
Version3.6
Creation Date2005-11-16 15:48:42 UTC
Update Date2016-02-11 01:03:56 UTC
HMDB IDHMDB01169
Secondary Accession NumbersNone
Metabolite Identification
Common Name4-Aminophenol
Description4-aminophenol is considered a minor nephrotoxic metabolite of phenacetin and acetaminophen (paracetamol) in man. 4-Aminophenol can undergo autoxidations and metal-catalyzed and enzymatic oxidations in man to produce reactive oxygen species. (PMID 1713494 ).
Structure
Thumb
Synonyms
ValueSource
4-AminobenzenolChEBI
4-HydroxyanilineChEBI
P-AminophenolChEBI
P-HydroxyanilineChEBI
1-amino-4-HydroxybenzeneHMDB
4-amino-1-HydroxybenzeneHMDB
ActivolHMDB
AminophenolHMDB
EnergolHMDB
Fouramine PHMDB
P-HydroxyphenylamineHMDB
ParamidophenolHMDB
ParanolHMDB
Chemical FormulaC6H7NO
Average Molecular Weight109.1259
Monoisotopic Molecular Weight109.052763851
IUPAC Name4-aminophenol
Traditional Nameaminophenol
CAS Registry Number123-30-8
SMILES
NC1=CC=C(O)C=C1
InChI Identifier
InChI=1S/C6H7NO/c7-5-1-3-6(8)4-2-5/h1-4,8H,7H2
InChI KeyInChIKey=PLIKAWJENQZMHA-UHFFFAOYSA-N
Chemical Taxonomy
DescriptionThis compound belongs to the class of organic compounds known as aminophenols. These are organic compounds containing an amino group attached to a phenol.
KingdomOrganic compounds
Super ClassBenzenoids
ClassBenzene and substituted derivatives
Sub ClassPhenols and derivatives
Direct ParentAminophenols
Alternative Parents
Substituents
  • Substituted aniline
  • Aminophenol
  • Aniline
  • Primary aromatic amine
  • Hydrocarbon derivative
  • Primary amine
  • Organooxygen compound
  • Organonitrogen compound
  • Amine
  • Aromatic homomonocyclic compound
Molecular FrameworkAromatic homomonocyclic compounds
External Descriptors
Ontology
StatusDetected and Quantified
Origin
  • Endogenous
BiofunctionNot Available
ApplicationNot Available
Cellular locationsNot Available
Physical Properties
StateLiquid
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling Point187.5 °CNot Available
Water Solubility16.0 mg/mLNot Available
LogP0.04HANSCH,C ET AL. (1995)
Predicted Properties
PropertyValueSource
Water Solubility121.0 mg/mLALOGPS
logP0.47ALOGPS
logP0.84ChemAxon
logS0.04ALOGPS
pKa (Strongest Acidic)10.4ChemAxon
pKa (Strongest Basic)5.43ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area46.25 Å2ChemAxon
Rotatable Bond Count0ChemAxon
Refractivity32.74 m3·mol-1ChemAxon
Polarizability11.23 Å3ChemAxon
Number of Rings1ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash Key
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 10V, Positive (Annotated)splash10-03di-3900000000-906f96b14dfdad2310deView in MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 25V, Positive (Annotated)splash10-014i-9000000000-d56be0077647bc66e962View in MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 40V, Positive (Annotated)splash10-014i-9000000000-937794addf5b73c988e9View in MoNA
MSMass Spectrum (Electron Ionization)splash10-0a4i-9700000000-00bffb48fd955696bcccView in MoNA
1D NMR1H NMR SpectrumNot Available
1D NMR1H NMR SpectrumNot Available
1D NMR13C NMR SpectrumNot Available
2D NMR[1H,13C] 2D NMR SpectrumNot Available
Biological Properties
Cellular LocationsNot Available
Biofluid Locations
  • Blood
  • Urine
Tissue Location
  • Epidermis
  • Spleen
PathwaysNot Available
Normal Concentrations
BiofluidStatusValueAgeSexConditionReferenceDetails
BloodDetected and Quantified10.00 (0.03-20.00) uMAdult (>18 years old)BothNormal details
UrineDetected but not QuantifiedNot ApplicableAdult (>18 years old)BothNormal details
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
DrugBank Metabolite IDNot Available
Phenol Explorer Compound IDNot Available
Phenol Explorer Metabolite IDNot Available
FoodDB IDFDB022462
KNApSAcK IDNot Available
Chemspider ID392
KEGG Compound IDC02372
BioCyc IDCPD-259
BiGG IDNot Available
Wikipedia LinkAminophenol
NuGOwiki LinkHMDB01169
Metagene LinkHMDB01169
METLIN ID6051
PubChem Compound403
PDB ID4NL
ChEBI ID17602
References
Synthesis ReferenceZhu, Jianliang; Yang, Ying; Xu, Jinlai; Gu, Zhiqiang; Zhang, Xiaowei; Zheng, Zhigang; Li, Jianlin; Hao, Xiangyang. Method for preparation of p-aminophenol. Faming Zhuanli Shenqing Gongkai Shuomingshu (2005), 6 pp.
Material Safety Data Sheet (MSDS)Download (PDF)
General References
  1. Lampinen M, Bondesson U, Fredriksson E, Hedeland M: Validation of a method for quantification of ketobemidone in human plasma with liquid chromatography-tandem mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci. 2003 Jun 15;789(2):347-54. [12742125 ]
  2. Clark PM, Clark JD, Wheatley T: Urine discoloration after acetaminophen overdose. Clin Chem. 1986 Sep;32(9):1777-8. [3742803 ]
  3. Kanishchev PA, Bereza NM, Seniuk VF, Perevziaka AV: [Quantitative determination of blood loss from the gastrointestinal tract using Metol in chronic diseases of the digestive organs] Lab Delo. 1989;(3):36-8. [2469837 ]
  4. Xu Y, Halsall B, Heineman WR: Heterogeneous enzyme immunoassay of alpha-fetoprotein in maternal serum by flow-injection amperometric detection of 4-aminophenol. Clin Chem. 1990 Nov;36(11):1941-4. [1700742 ]
  5. Bomhard EM, Herbold BA: Genotoxic activities of aniline and its metabolites and their relationship to the carcinogenicity of aniline in the spleen of rats. Crit Rev Toxicol. 2005 Dec;35(10):783-835. [16468500 ]
  6. Nohynek GJ, Duche D, Garrigues A, Meunier PA, Toutain H, Leclaire J: Under the skin: Biotransformation of para-aminophenol and para-phenylenediamine in reconstructed human epidermis and human hepatocytes. Toxicol Lett. 2005 Sep 15;158(3):196-212. [15890478 ]
  7. Van Bocxlaer JF, Clauwaert KM, Lambert WE, De Leenheer AP: Quantitative colorimetric determination of urinary p-aminophenol with an automated analyzer. Clin Chem. 1997 Apr;43(4):627-34. [9105264 ]
  8. Gil EP, Tang HT, Halsall HB, Heineman WR, Misiego AS: Competitive heterogeneous enzyme immunoassay for theophylline by flow-injection analysis with electrochemical detection of p-aminophenol. Clin Chem. 1990 Apr;36(4):662-5. [2138937 ]
  9. Arndt CA, Colvin OM, Balis FM, Lester CM, Johnson G, Poplack DG: Intrathecal administration of 4-hydroperoxycyclophosphamide in rhesus monkeys. Cancer Res. 1987 Nov 15;47(22):5932-4. [3664493 ]
  10. Hegedus ZL, Nayak U: Para-aminophenol and structurally related compounds as intermediates in lipofuscin formation and in renal and other tissue toxicities. Arch Int Physiol Biochim Biophys. 1991 Feb;99(1):99-105. [1713494 ]