Record Information
Version 1.0
Update Date 1/22/2018 12:54:54 PM
Metabolite IDPAMDB120035
Identification
Name: isobutanol
Description:An alkyl alcohol that is propan-1-ol substituted by a methyl group at position 2.
Structure
Thumb
Synonyms:
  • 1-hydroxymethylpropane
  • 1-Hydroxymethylpropane
  • 2-methyl-1-propanol
  • 2-Methyl-1-propanol
  • 2-methylpropanol
  • i-Butanol
  • i-Butyl alcohol
  • IBA
  • iso-butyl alcohol
  • iso-C4H9OH
  • isobutanol
  • isobutyl alcohol
  • Isobutylalkohol
  • isopropylcarbinol
Chemical Formula: C4H10O
Average Molecular Weight: 74.122
Monoisotopic Molecular Weight: 74.073166
InChI Key: ZXEKIIBDNHEJCQ-UHFFFAOYSA-N
InChI:InChI=1S/C4H10O/c1-4(2)3-5/h4-5H,3H2,1-2H3
CAS number: 78-83-1
IUPAC Name:2-methylpropan-1-ol
Traditional IUPAC Name: isobutanol
SMILES:CC(C)CO
Chemical Taxonomy
Taxonomy DescriptionThis compound belongs to the class of organic compounds known as primary alcohols. These are compounds comprising the primary alcohol functional group, with the general structure RCOH (R=alkyl, aryl).
Kingdom Organic compounds
Super ClassOrganic oxygen compounds
Class Organooxygen compounds
Sub ClassAlcohols and polyols
Direct Parent Primary alcohols
Alternative Parents
Substituents
  • Hydrocarbon derivative
  • Primary alcohol
  • Aliphatic acyclic compound
Molecular Framework Aliphatic acyclic compounds
External Descriptors
  • primary alcohol, alkyl alcohol (CHEBI:46645)
  • Fatty alcohols (LMFA05000100)
  • a small molecule (ISOBUTANOL)
Physical Properties
State: Liquid
Charge:0
Melting point: -108 °C
Experimental Properties:
PropertyValueReference
Melting Point-108 °CNot Available
Boiling PointNot AvailableNot Available
Water Solubility85 mg/mL at 25 °CNot Available
LogP0.76HANSCH,C ET AL. (1995)
Predicted Properties
PropertyValueSource
Water Solubility140.0 mg/mLALOGPS
logP0.6ALOGPS
logP0.73ChemAxon
logS0.28ALOGPS
pKa (Strongest Acidic)17.33ChemAxon
pKa (Strongest Basic)-1.8ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area20.23 Å2ChemAxon
Rotatable Bond Count1ChemAxon
Refractivity22.01 m3·mol-1ChemAxon
Polarizability9.07 Å3ChemAxon
Number of Rings0ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Biological Properties
Cellular Locations: Not Available
Reactions:
Pathways: Not Available
Spectra
Spectra:
Spectrum TypeDescriptionSplash Key
Predicted GC-MSPredicted GC-MS Spectrum - GC-MSNot Available
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-056r-9000000000-51f6abf0e4afb219bd9dView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0a4i-9000000000-5c3b0b379d64147f0e14View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0a4i-9000000000-aed2ffb2e0c694af93eaView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-00di-9000000000-4648efd7a78339de7e6cView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-00di-9000000000-5d4c9a7c73ad8673a5e5View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0ab9-9000000000-c25bee7b5f5bbb13555bView in MoNA
MSMass Spectrum (Electron Ionization)splash10-0006-9000000000-df76ec6cf6a8bfca3cf4View in MoNA
1D NMR1H NMR SpectrumNot Available
1D NMR13C NMR SpectrumNot Available
References
References:
  • Matsuda F, Ishii J, Kondo T, Ida K, Tezuka H, Kondo A (2013)Increased isobutanol production in Saccharomyces cerevisiae by eliminating competing pathways and resolving cofactor imbalance. Microbial cell factories 12, Pubmed: 24305546
  • Desai SH, Rabinovitch-Deere CA, Tashiro Y, Atsumi S (2014)Isobutanol production from cellobiose in Escherichia coli. Applied microbiology and biotechnology 98, Pubmed: 24430208
Synthesis Reference: Not Available
Material Safety Data Sheet (MSDS) Download (PDF)
External Links:
ResourceLink
HMDBHMDB06006
CHEMSPIDER6312
PUBCHEM6560
CHEBI46645
LIGAND-CPDC14710