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Fatty acid


DATA No : DFA7039 INFORMANT : Tetsuyuki Kobayashi

NAME : 2-Methyl-Propanoic Acid

COMMON NAME: Isobutyric Acid
SYMBOL:
FORMULA: C4H8O2 MOL.WT (average) : 88.105


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BIOLOGICAL ACTIVITY

PHYSICAL AND CHEMICAL PROPERTIES
MELTING POINT: -47deg

BOILING POINT:84.8-85.1/50mmHg, 153.5-153.8degC/750.3

REFRACTIVE INDEX:

OPTICAL ROTATION:

DENSITY:1.024(-60degC)-0.6982(240degC),D20/4 : 0.9490

SOLUBILITY:
SPECTRAL DATA
UV SPECTRA:

IR SPECTRA:Methyl: 2979, 2939cm-1/methyl, methylene: 2880, 2850cm-1 (Ref. 7002)

NMR SPECTRA:

MASS SPECTRA:m/e: 88, 73, 55, 45, 44, 43, 42, 41, 39(Ref. 7003)
1.024(-60degC)-0.6982(240degC),D20/4 : 0.9490

OTHER SPECTRA:(Ref. 7002)/(Ref. 7003)
CHROMATOGRAM DATA

SOURCE

CHEMICAL SYNTHESIS
Synthesized by oxidation of isobutyric alcohol with sulfuric acid and potassium bichromate.
METABOLISM

GENETIC INFORMATION

NOTE

REFERENCES
[7002]
AUTHOR:Hayashi, A., and Matsubara, T.
TITLE:Determination of The Structure of Sphinga-4,8-Dienine from Oyster Glycolipids by Gas Chromatography and Mass Spectrometry. PubMed ID:4331787
JOURNAL:Biochim. Biophys. Acta
VOL:248 PAGE : 306 -314 (1971)
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[7003]
AUTHOR:Happ,G.P.,and Stewart,D.W.
TITLE:Rearrangement Peaks in The Mass Spectra of Certain Aliphatic Acids
JOURNAL:J. Am. Chem. Soc.
VOL:74 PAGE : 4404 -4408 (1952)
[TOP]

Last updated June 19, 2007. Copyright © 1989-2007 Japanese Conference on the Biochemistry of Lipids (JCBL). All rights reserved.