You are using an unsupported browser. Please upgrade your browser to a newer version to get the best experience on Database of hazardous chemicals.
Record Information
Version1.0
Creation Date2016-05-19 01:33:30 UTC
Update Date2016-11-09 01:09:16 UTC
Accession NumberCHEM004055
Identification
Common Nameiso-Butyric acid
ClassSmall Molecule
Description
Contaminant Sources
  • Clean Air Act Chemicals
  • EAFUS Chemicals
  • FooDB Chemicals
  • HMDB Contaminants - Feces
  • HMDB Contaminants - Urine
  • HPV EPA Chemicals
  • OECD HPV Chemicals
  • STOFF IDENT Compounds
  • ToxCast & Tox21 Chemicals
Contaminant TypeNot Available
Chemical Structure
Thumb
Synonyms
ValueSource
2,2-Dimethylacetic acidChEBI
2-METHYL-propionIC ACIDChEBI
2-MethylpropanoateChEBI
2-Methylpropanoic acidChEBI
2-MethylpropionsaeureChEBI
alpha-Isobutyric acidChEBI
alpha-Methylpropanoic acidChEBI
alpha-Methylpropionic acidChEBI
Dimethylacetic acidChEBI
Iso-butyric acidChEBI
Iso-C3H7COOHChEBI
IsobutanoateChEBI
Isobutanoic acidChEBI
IsobuttersaeureChEBI
IsobutyrateChEBI
Isopropylformic acidChEBI
2,2-DimethylacetateGenerator
2-METHYL-propionateGenerator
a-IsobutyrateGenerator
a-Isobutyric acidGenerator
alpha-IsobutyrateGenerator
Α-isobutyrateGenerator
Α-isobutyric acidGenerator
a-MethylpropanoateGenerator
a-Methylpropanoic acidGenerator
alpha-MethylpropanoateGenerator
Α-methylpropanoateGenerator
Α-methylpropanoic acidGenerator
a-MethylpropionateGenerator
a-Methylpropionic acidGenerator
alpha-MethylpropionateGenerator
Α-methylpropionateGenerator
Α-methylpropionic acidGenerator
DimethylacetateGenerator
Iso-butyrateGenerator
IsopropylformateGenerator
2-MethylpropionateHMDB
2-Methylpropionic acidHMDB
I-butyrateHMDB
I-butyric acidHMDB
Ammonium isobutyrateHMDB
Isobutyric acid, ammonium saltHMDB
Isobutyric acid, sodium saltHMDB
2-Methpropanoic acidHMDB
Isobutyric acid, hemiammoniateHMDB
Sodium isobutyrateHMDB
Isobutyric acid, calcium saltHMDB
Isobutyric acid, nickel saltHMDB
Isobutyric acid, potassium saltHMDB
Isobutyric acid, sodium salt, 11C-labeledHMDB
Isobutyric acid, sodium salt, 14C-labeledHMDB
Isobutyric acidKEGG
Chemical FormulaC4H8O2
Average Molecular Mass88.105 g/mol
Monoisotopic Mass88.052 g/mol
CAS Registry Number79-31-2
IUPAC Name2-methylpropanoic acid
Traditional Nameisobutyric acid
SMILESCC(C)C(O)=O
InChI IdentifierInChI=1S/C4H8O2/c1-3(2)4(5)6/h3H,1-2H3,(H,5,6)
InChI KeyKQNPFQTWMSNSAP-UHFFFAOYSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as carboxylic acids. Carboxylic acids are compounds containing a carboxylic acid group with the formula -C(=O)OH.
KingdomOrganic compounds
Super ClassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
Sub ClassCarboxylic acids
Direct ParentCarboxylic acids
Alternative Parents
Substituents
  • Monocarboxylic acid or derivatives
  • Carboxylic acid
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Carbonyl group
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
Biological Properties
StatusDetected and Not Quantified
OriginNot Available
Cellular LocationsNot Available
Biofluid LocationsNot Available
Tissue LocationsNot Available
PathwaysNot Available
ApplicationsNot Available
Biological RolesNot Available
Chemical RolesNot Available
Physical Properties
StateNot Available
AppearanceNot Available
Experimental Properties
PropertyValue
Melting PointNot Available
Boiling PointNot Available
SolubilityNot Available
Predicted Properties
PropertyValueSource
Water Solubility197 g/LALOGPS
logP0.78ALOGPS
logP1.02ChemAxon
logS0.35ALOGPS
pKa (Strongest Acidic)4.87ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area37.3 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity21.85 m³·mol⁻¹ChemAxon
Polarizability9.12 ųChemAxon
Number of Rings0ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash Key
Predicted GC-MSPredicted GC-MS Spectrum - GC-MSsplash10-0006-9000000000-d3c10d617448ce79a5a1View in MoNA
GC-MSGC-MS Spectrum - EI-Bsplash10-0006-9000000000-4c977a2f823cde05363aView in MoNA
GC-MSGC-MS Spectrum - EI-Bsplash10-0006-9000000000-e8e4dc7f7f3f492ec19cView in MoNA
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (1 TMS)splash10-0076-9100000000-80d574b59e1edc9d7535View in MoNA
GC-MSGC-MS Spectrum - EI-Bsplash10-0006-9000000000-4c977a2f823cde05363aView in MoNA
GC-MSGC-MS Spectrum - EI-Bsplash10-0006-9000000000-e8e4dc7f7f3f492ec19cView in MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 10V, Positive (Annotated)splash10-00dr-9000000000-67f1d07ca106199c76d3View in MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 25V, Positive (Annotated)splash10-0a4i-9000000000-d5e7b5664f34e843b614View in MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 40V, Positive (Annotated)splash10-0f79-9200000000-b18c55d6aa937214dca2View in MoNA
LC-MS/MSLC-MS/MS Spectrum - EI-B (HITACHI RMU-7M) , Positivesplash10-0006-9000000000-688272ebde48c146c6d7View in MoNA
LC-MS/MSLC-MS/MS Spectrum - EI-B (HITACHI M-80B) , Positivesplash10-0006-9000000000-f1d1211c63775f704d72View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 10V, Negativesplash10-000i-9000000000-d5f9008f8738e9ee1206View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 20V, Negativesplash10-000i-9000000000-3b1bc720943b7b4b9b7bView in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 30V, Negativesplash10-000i-9000000000-af791f98a192fc352a65View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , negativesplash10-000i-9000000000-d5f9008f8738e9ee1206View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , negativesplash10-000i-9000000000-3b1bc720943b7b4b9b7bView in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , negativesplash10-000i-9000000000-af791f98a192fc352a65View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-000i-9000000000-eabd518990089acf84caView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0006-9000000000-9ec563a3b4f50dc2aaafView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0006-9000000000-eee01af90e21c20eb584View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-000i-9000000000-4952a01442de6ea6ecfeView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-000i-9000000000-23cf7c0a08ac346b6bfeView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-00rl-9000000000-7ca1184fbf16cfe0b735View in MoNA
MSMass Spectrum (Electron Ionization)splash10-0006-9000000000-ce74765d5e4785841363View in MoNA
1D NMR1H NMR SpectrumNot Available
1D NMR1H NMR SpectrumNot Available
1D NMR13C NMR SpectrumNot Available
1D NMR1H NMR SpectrumNot Available
1D NMR13C NMR SpectrumNot Available
2D NMR[1H,13C] 2D NMR SpectrumNot Available
Toxicity Profile
Route of ExposureNot Available
Mechanism of ToxicityNot Available
MetabolismNot Available
Toxicity ValuesNot Available
Lethal DoseNot Available
Carcinogenicity (IARC Classification)Not Available
Uses/SourcesNot Available
Minimum Risk LevelNot Available
Health EffectsNot Available
SymptomsNot Available
TreatmentNot Available
Concentrations
Not Available
DrugBank IDDB02531
HMDB IDHMDB0001873
FooDB IDFDB003277
Phenol Explorer IDNot Available
KNApSAcK IDC00029462
BiGG IDNot Available
BioCyc IDISOBUTYRATE
METLIN ID106
PDB IDNot Available
Wikipedia LinkIsobutyric_acid
Chemspider ID6341
ChEBI ID16135
PubChem Compound ID6590
Kegg Compound IDC02632
YMDB IDYMDB01320
ECMDB IDM2MDB005944
References
Synthesis ReferenceNot Available
MSDSNot Available
General References
1. Wang, Hengxiu; Chen, Weibin; Zhao, Dehua; Zhang, Jianbin. Preparation of isobutyric acid. Faming Zhuanli Shenqing Gongkai Shuomingshu (2003), 5 pp.
2. Sun HZ, Wang DM, Wang B, Wang JK, Liu HY, Guan le L, Liu JX: Metabolomics of four biofluids from dairy cows: potential biomarkers for milk production and quality. J Proteome Res. 2015 Feb 6;14(2):1287-98. doi: 10.1021/pr501305g. Epub 2015 Jan 28.
3. O'Callaghan TF, Vazquez-Fresno R, Serra-Cayuela A, Dong E, Mandal R, Hennessy D, McAuliffe S, Dillon P, Wishart DS, Stanton C, Ross RP: Pasture Feeding Changes the Bovine Rumen and Milk Metabolome. Metabolites. 2018 Apr 6;8(2). pii: metabo8020027. doi: 10.3390/metabo8020027.
4. A. Foroutan et al. The Chemical Composition of Commercial Cow's Milk (in preparation)
5. Wang, Hengxiu; Chen, Weibin; Zhao, Dehua; Zhang, Jianbin. Preparation of isobutyric acid. Faming Zhuanli Shenqing Gongkai Shuomingshu (2003), 5 pp.
6. Mix KS, Coon CI, Rosen ED, Suh N, Sporn MB, Brinckerhoff CE: Peroxisome proliferator-activated receptor-gamma-independent repression of collagenase gene expression by 2-cyano-3,12-dioxooleana-1,9-dien-28-oic acid and prostaglandin 15-deoxy-delta(12,14) J2: a role for Smad signaling. Mol Pharmacol. 2004 Feb;65(2):309-18.
7. Silwood CJ, Lynch E, Claxson AW, Grootveld MC: 1H and (13)C NMR spectroscopic analysis of human saliva. J Dent Res. 2002 Jun;81(6):422-7.
8. Faed EM, McQueen EG: Separation of two conjugates of clofibric acid (CPIB) found in the urine of subjects taking clofibrate. Clin Exp Pharmacol Physiol. 1978 Mar-Apr;5(2):195-8.
9. Hoverstad T, Fausa O, Bjorneklett A, Bohmer T: Short-chain fatty acids in the normal human feces. Scand J Gastroenterol. 1984 May;19(3):375-81.
10. https://www.ncbi.nlm.nih.gov/pubmed/?term=10757489
11. https://www.ncbi.nlm.nih.gov/pubmed/?term=17580301
12. https://www.ncbi.nlm.nih.gov/pubmed/?term=17877388