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Record Information
Version5.0
StatusDetected and Quantified
Creation Date2017-10-08 19:45:47 UTC
Update Date2022-03-07 03:18:12 UTC
HMDB IDHMDB0166723
Secondary Accession NumbersNone
Metabolite Identification
Common Name2,6-Di-tert-butyl-4-hydroxy-4-methyl-2,5-cyclohexadienone
Description2,6-Di-tert-butyl-4-hydroxy-4-methyl-2,5-cyclohexadienone, also known as BHT-quinol, belongs to the class of organic compounds known as monocyclic monoterpenoids. These are monoterpenoids containing 1 ring in the isoprene chain. BHT-quinol is a metabolite of 2,6-di-tert-butyl-4-methylphenol (BHA), a synthetic phenolic antioxidant (SPA). SPAs are a family of chemicals used widely in foods, polymers, and cosmetics as radical trapping agents to slow down degradation due to oxidation. Given their widespread use, human exposure is unavoidable and there is public concern regarding environmental contamination by these chemicals. BHT-quinol was detected in human urine (PMID: 31265952 ).
Structure
Data?1588094228
Synonyms
ValueSource
2,6-Di-tert-butyl-4-hydroxy-4-methyl-2,5-cyclohexadien-1-oneMeSH
2,6-Bis(1,1-dimethylethyl)-4-hydroxy-4-methyl-2,5-cyclohexadien-1-oneHMDB
2,6-Di(tert-butyl)-4-hydroxy-4-methyl-2,5-cyclohexadien-1-oneHMDB
2,6-Di-tert-butyl-4-hydroxy-4-methyl-2,5-cyclohexadienoneHMDB
2,6-Di-tert-butyl-4-methyl-4-hydroxy-2,5-cyclohexadien-1-oneHMDB
2,6-Ditert-butyl-4-hydroxy-4-methylcyclohexa-2,5-dien-1-oneHMDB
4-Hydroxy-4-methyl-2,6-di-tert-butyl-2,5-cyclohexadienoneHMDB
BHT-quinolHMDB
Chemical FormulaC15H24O2
Average Molecular Weight236.355
Monoisotopic Molecular Weight236.177630013
IUPAC Name2,6-di-tert-butyl-4-hydroxy-4-methylcyclohexa-2,5-dien-1-one
Traditional Name2,6-di-tert-butyl-4-hydroxy-4-methylcyclohexa-2,5-dien-1-one
CAS Registry Number10396-80-2
SMILES
CC(C)(C)C1=CC(C)(O)C=C(C1=O)C(C)(C)C
InChI Identifier
InChI=1S/C15H24O2/c1-13(2,3)10-8-15(7,17)9-11(12(10)16)14(4,5)6/h8-9,17H,1-7H3
InChI KeyDQBHJILNHNRDTM-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as monocyclic monoterpenoids. These are monoterpenoids containing 1 ring in the isoprene chain.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassPrenol lipids
Sub ClassMonoterpenoids
Direct ParentMonocyclic monoterpenoids
Alternative Parents
Substituents
  • Monocyclic monoterpenoid
  • Tertiary alcohol
  • Cyclic ketone
  • Ketone
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Carbonyl group
  • Alcohol
  • Aliphatic homomonocyclic compound
Molecular FrameworkAliphatic homomonocyclic compounds
External DescriptorsNot Available
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
logP3.82ALOGPS
logP3.54ChemAxon
logS-3.4ALOGPS
pKa (Strongest Acidic)14.2ChemAxon
pKa (Strongest Basic)-3.2ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area37.3 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity72.4 m³·mol⁻¹ChemAxon
Polarizability27.79 ųChemAxon
Number of Rings1ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DeepCCS[M+H]+169.58330932474
DeepCCS[M-H]-167.22630932474
DeepCCS[M-2H]-200.11130932474
DeepCCS[M+Na]+175.67730932474
AllCCS[M+H]+151.332859911
AllCCS[M+H-H2O]+147.732859911
AllCCS[M+NH4]+154.632859911
AllCCS[M+Na]+155.532859911
AllCCS[M-H]-162.732859911
AllCCS[M+Na-2H]-163.432859911
AllCCS[M+HCOO]-164.232859911

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. 5.71 minutes32390414
Predicted by Siyang on May 30, 202212.9747 minutes33406817
Predicted by Siyang using ReTip algorithm on June 8, 20221.14 minutes32390414
Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid2495.6 seconds40023050
Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid286.8 seconds40023050
Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid165.5 seconds40023050
Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid161.6 seconds40023050
RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid68.6 seconds40023050
Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid542.9 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 Acid650.3 seconds40023050
HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate)67.1 seconds40023050
UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid988.3 seconds40023050
BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid456.0 seconds40023050
UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid1248.8 seconds40023050
SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid359.0 seconds40023050
RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid357.3 seconds40023050
MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate292.0 seconds40023050
KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA338.0 seconds40023050
Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water8.0 seconds40023050

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
2,6-Di-tert-butyl-4-hydroxy-4-methyl-2,5-cyclohexadienoneCC(C)(C)C1=CC(C)(O)C=C(C1=O)C(C)(C)C2389.5Standard polar33892256
2,6-Di-tert-butyl-4-hydroxy-4-methyl-2,5-cyclohexadienoneCC(C)(C)C1=CC(C)(O)C=C(C1=O)C(C)(C)C1548.3Standard non polar33892256
2,6-Di-tert-butyl-4-hydroxy-4-methyl-2,5-cyclohexadienoneCC(C)(C)C1=CC(C)(O)C=C(C1=O)C(C)(C)C1443.5Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
2,6-Di-tert-butyl-4-hydroxy-4-methyl-2,5-cyclohexadienone,1TMS,isomer #1CC1(O[Si](C)(C)C)C=C(C(C)(C)C)C(=O)C(C(C)(C)C)=C11572.4Semi standard non polar33892256
2,6-Di-tert-butyl-4-hydroxy-4-methyl-2,5-cyclohexadienone,1TBDMS,isomer #1CC1(O[Si](C)(C)C(C)(C)C)C=C(C(C)(C)C)C(=O)C(C(C)(C)C)=C11795.0Semi standard non polar33892256
Spectra
Biological Properties
Cellular LocationsNot Available
Biospecimen Locations
  • Urine
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
UrineDetected and Quantified0.000387 umol/mmol creatinineAdult (>18 years old)BothNormal 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 ID128880
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound146102
PDB IDNot Available
ChEBI IDNot Available
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 References
  1. Liu R, Mabury SA: Unexpectedly high concentrations of 2,4-di-tert-butylphenol in human urine. Environ Pollut. 2019 Sep;252(Pt B):1423-1428. doi: 10.1016/j.envpol.2019.06.077. Epub 2019 Jun 21. [PubMed:31265952 ]