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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2012-09-12 03:10:01 UTC
Update Date2023-02-21 17:28:44 UTC
HMDB IDHMDB0041477
Secondary Accession Numbers
  • HMDB41477
Metabolite Identification
Common Name2-Ethyl-1-hexanethiol
Description2-Ethyl-1-hexanethiol belongs to the class of organic compounds known as alkylthiols. These are organic compounds containing the thiol functional group linked to an alkyl chain. Based on a literature review very few articles have been published on 2-Ethyl-1-hexanethiol.
Structure
Data?1677000524
Synonyms
ValueSource
2-(Mercaptomethyl)heptaneHMDB
2-Ethylhexane-1-thiolHMDB
2-EthylhexanethiolHMDB
2-EthylhexylmercaptanHMDB
FEMA 3833HMDB
Chemical FormulaC8H18S
Average Molecular Weight146.294
Monoisotopic Molecular Weight146.112921266
IUPAC Name2-ethylhexane-1-thiol
Traditional Name2-ethylhexane-1-thiol
CAS Registry Number7341-17-5
SMILES
CCCCC(CC)CS
InChI Identifier
InChI=1S/C8H18S/c1-3-5-6-8(4-2)7-9/h8-9H,3-7H2,1-2H3
InChI KeyUCJMHYXRQZYNNL-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as alkylthiols. These are organic compounds containing the thiol functional group linked to an alkyl chain.
KingdomOrganic compounds
Super ClassOrganosulfur compounds
ClassThiols
Sub ClassAlkylthiols
Direct ParentAlkylthiols
Alternative Parents
Substituents
  • Alkylthiol
  • Hydrocarbon derivative
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External DescriptorsNot Available
Ontology
Not AvailableNot Available
Physical Properties
StateNot Available
Experimental Molecular Properties
PropertyValueReference
Melting Point-40.00 to -39.00 °C. @ 760.00 mm HgThe Good Scents Company Information System
Boiling Point178.00 to 182.00 °C. @ 760.00 mm HgThe Good Scents Company Information System
Water Solubility22.93 mg/L @ 25 °C (est)The Good Scents Company Information System
LogP4.343 (est)The Good Scents Company Information System
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility0.025 g/LALOGPS
logP4.93ALOGPS
logP3.76ChemAxon
logS-3.8ALOGPS
pKa (Strongest Acidic)10.17ChemAxon
pKa (Strongest Basic)-9.6ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count0ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area0 ŲChemAxon
Rotatable Bond Count5ChemAxon
Refractivity46.44 m³·mol⁻¹ChemAxon
Polarizability19.06 ųChemAxon
Number of Rings0ChemAxon
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]+131.83631661259
DarkChem[M-H]-129.53131661259
DeepCCS[M+H]+141.23230932474
DeepCCS[M-H]-139.130932474
DeepCCS[M-2H]-174.85630932474
DeepCCS[M+Na]+149.76530932474
AllCCS[M+H]+135.932859911
AllCCS[M+H-H2O]+131.932859911
AllCCS[M+NH4]+139.732859911
AllCCS[M+Na]+140.832859911
AllCCS[M-H]-142.632859911
AllCCS[M+Na-2H]-145.532859911
AllCCS[M+HCOO]-148.832859911

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, 2022.6.15 minutes32390414
Predicted by Siyang on May 30, 202220.5849 minutes33406817
Predicted by Siyang using ReTip algorithm on June 8, 20223.32 minutes32390414
AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid49.5 seconds40023050
Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid2860.5 seconds40023050
Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid794.5 seconds40023050
Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid296.2 seconds40023050
Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid545.1 seconds40023050
RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid428.6 seconds40023050
Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid889.3 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 Acid954.3 seconds40023050
HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate)622.5 seconds40023050
UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid1713.5 seconds40023050
BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid535.2 seconds40023050
UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid1783.3 seconds40023050
SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid631.5 seconds40023050
RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid497.1 seconds40023050
MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate773.0 seconds40023050
KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA700.8 seconds40023050
Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water40.2 seconds40023050

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
2-Ethyl-1-hexanethiolCCCCC(CC)CS1285.5Standard polar33892256
2-Ethyl-1-hexanethiolCCCCC(CC)CS1064.3Standard non polar33892256
2-Ethyl-1-hexanethiolCCCCC(CC)CS1091.9Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
2-Ethyl-1-hexanethiol,1TMS,isomer #1CCCCC(CC)CS[Si](C)(C)C1295.6Semi standard non polar33892256
2-Ethyl-1-hexanethiol,1TMS,isomer #1CCCCC(CC)CS[Si](C)(C)C1287.9Standard non polar33892256
2-Ethyl-1-hexanethiol,1TBDMS,isomer #1CCCCC(CC)CS[Si](C)(C)C(C)(C)C1501.8Semi standard non polar33892256
2-Ethyl-1-hexanethiol,1TBDMS,isomer #1CCCCC(CC)CS[Si](C)(C)C(C)(C)C1481.9Standard non polar33892256
Spectra
Biological Properties
Cellular Locations
  • Membrane
Biospecimen LocationsNot Available
Tissue LocationsNot Available
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB021438
KNApSAcK IDNot Available
Chemspider ID99613
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound110968
PDB IDNot Available
ChEBI IDNot Available
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDrw1443951
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.. .