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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-11 03:44:58 UTC
Update Date2021-09-26 22:59:58 UTC
HMDB IDHMDB0249244
Secondary Accession NumbersNone
Metabolite Identification
Common NameBis(2-ethylhexyl) terephthalate
DescriptionEastman DOTP Plasticizer, also known as 1,4-deht, belongs to the class of organic compounds known as p-phthalate esters. These are ester derivatives of p-phthalic acids, which are based on a benzene 1,4-dicarboxylic acid skeleton. Based on a literature review a significant number of articles have been published on Eastman DOTP Plasticizer. This compound has been identified in human blood as reported by (PMID: 31557052 ). Bis(2-ethylhexyl) terephthalate is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Bis(2-ethylhexyl) terephthalate is part of the human exposome. The exposome can be defined as the collection of all the exposures of an individual in a lifetime and how those exposures relate to health. An individual's exposure begins before birth and includes insults from environmental and occupational sources.
Structure
Thumb
Synonyms
ValueSource
1,4-DEHTMeSH
Di-(2-ethylhexyl) terephthalateMeSH
1,4-Bis(2-ethylhexyl) benzene-1,4-dicarboxylic acidGenerator
Chemical FormulaC24H38O4
Average Molecular Weight390.564
Monoisotopic Molecular Weight390.277009704
IUPAC Name1,4-bis(2-ethylhexyl) benzene-1,4-dicarboxylate
Traditional Namedioctyl terephthalate
CAS Registry NumberNot Available
SMILES
CCCCC(CC)COC(=O)C1=CC=C(C=C1)C(=O)OCC(CC)CCCC
InChI Identifier
InChI=1S/C24H38O4/c1-5-9-11-19(7-3)17-27-23(25)21-13-15-22(16-14-21)24(26)28-18-20(8-4)12-10-6-2/h13-16,19-20H,5-12,17-18H2,1-4H3
InChI KeyRWPICVVBGZBXNA-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as p-phthalate esters. These are ester derivatives of p-phthalic acids, which are based on a benzene 1,4-dicarboxylic acid skeleton.
KingdomOrganic compounds
Super ClassBenzenoids
ClassBenzene and substituted derivatives
Sub ClassBenzoic acids and derivatives
Direct Parentp-Phthalate esters
Alternative Parents
Substituents
  • Para-phthalic acid ester
  • Para_phthalic_acid
  • Benzoate ester
  • Benzoyl
  • Dicarboxylic acid or derivatives
  • Carboxylic acid ester
  • Carboxylic acid derivative
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Aromatic homomonocyclic compound
Molecular FrameworkAromatic homomonocyclic compounds
External DescriptorsNot Available
Ontology
Not AvailableNot 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
logP7.48ALOGPS
logP8.03ChemAxon
logS-6.5ALOGPS
pKa (Strongest Basic)-6.6ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area52.6 ŲChemAxon
Rotatable Bond Count16ChemAxon
Refractivity114.4 m³·mol⁻¹ChemAxon
Polarizability48.2 ųChemAxon
Number of Rings1ChemAxon
BioavailabilityNoChemAxon
Rule of FiveNoChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DeepCCS[M+H]+198.49130932474
DeepCCS[M-H]-196.13330932474
DeepCCS[M-2H]-230.36430932474
DeepCCS[M+Na]+205.65630932474
AllCCS[M+H]+203.532859911
AllCCS[M+H-H2O]+201.432859911
AllCCS[M+NH4]+205.432859911
AllCCS[M+Na]+205.932859911
AllCCS[M-H]-191.132859911
AllCCS[M+Na-2H]-192.832859911
AllCCS[M+HCOO]-194.832859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
Bis(2-ethylhexyl) terephthalateCCCCC(CC)COC(=O)C1=CC=C(C=C1)C(=O)OCC(CC)CCCC3620.6Standard polar33892256
Bis(2-ethylhexyl) terephthalateCCCCC(CC)COC(=O)C1=CC=C(C=C1)C(=O)OCC(CC)CCCC2726.3Standard non polar33892256
Bis(2-ethylhexyl) terephthalateCCCCC(CC)COC(=O)C1=CC=C(C=C1)C(=O)OCC(CC)CCCC2737.7Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Bis(2-ethylhexyl) terephthalate GC-MS (Non-derivatized) - 70eV, Positivesplash10-08gj-9762000000-cfc30babee4d696dd5012021-09-24Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Bis(2-ethylhexyl) terephthalate 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 - Bis(2-ethylhexyl) terephthalate 10V, Positive-QTOFsplash10-03dl-1938000000-bed181109e4a3e91f8372016-06-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Bis(2-ethylhexyl) terephthalate 20V, Positive-QTOFsplash10-03di-6921000000-f92339b10ad3b8c336192016-06-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Bis(2-ethylhexyl) terephthalate 40V, Positive-QTOFsplash10-06r6-9400000000-055132d8076427f761f52016-06-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Bis(2-ethylhexyl) terephthalate 10V, Negative-QTOFsplash10-000i-0139000000-c64a53d1fda697a359e82016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Bis(2-ethylhexyl) terephthalate 20V, Negative-QTOFsplash10-01u9-1694000000-7b7a516963a872e4f4952016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Bis(2-ethylhexyl) terephthalate 40V, Negative-QTOFsplash10-006t-9810000000-debed66b428b7af927732016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Bis(2-ethylhexyl) terephthalate 10V, Positive-QTOFsplash10-0006-0009000000-b3961efd2b07c3fa18442021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Bis(2-ethylhexyl) terephthalate 20V, Positive-QTOFsplash10-01ox-2559000000-3dd055f187b2febc09382021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Bis(2-ethylhexyl) terephthalate 40V, Positive-QTOFsplash10-0900-9600000000-13f258979077f7cc2af32021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Bis(2-ethylhexyl) terephthalate 10V, Negative-QTOFsplash10-000i-0009000000-0312986dad14766b7b5a2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Bis(2-ethylhexyl) terephthalate 20V, Negative-QTOFsplash10-03ds-2279000000-d7602e66bfaabda8a9e72021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Bis(2-ethylhexyl) terephthalate 40V, Negative-QTOFsplash10-0g4i-1940000000-3be6b322f8a8bd811a392021-10-12Wishart LabView Spectrum
Biological Properties
Cellular LocationsNot Available
Biospecimen Locations
  • Blood
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodDetected but not QuantifiedNot QuantifiedNot SpecifiedNot SpecifiedNormal 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 ID21471
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound22932
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. Barupal DK, Fiehn O: Generating the Blood Exposome Database Using a Comprehensive Text Mining and Database Fusion Approach. Environ Health Perspect. 2019 Sep;127(9):97008. doi: 10.1289/EHP4713. Epub 2019 Sep 26. [PubMed:31557052 ]