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Fatty acid

DATA No : DFA0255 INFORMANT : Tetsuyuki Kobayashi
NAME : 2-Methyl-trans-2-butenoic acid
COMMON NAME: Tiglic acid / a,b-Dimethylacrylic acid
SYMBOL:
FORMULA: C5H8O2 MOL.WT (average) : 100.116

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BIOLOGICAL ACTIVITY

PHYSICAL AND CHEMICAL PROPERTIES
MELTING POINT:65.5-66.5 degC
BOILING POINT:198.5 degC at 760 mm Hg / 95-96 degC at 12 mmHg
REFRACTIVE INDEX:1.4342 at 81 degC / 1.4330 at 76 degC
OPTICAL ROTATION:
DENSITY:d4-760.9641
SOLUBILITY:very soluble in hot water ; slightly soluble in ethanol, cold water and ether.(Ref. 0145)(Ref. 6012)(Ref. 6014)(Ref. 6077)(Ref. 6079)
SPECTRAL DATA
UV SPECTRA:lMAX : 216-217nm(e 10700)MAX : 9500
IR SPECTRA:C=C : 1645cm-1 / C=O : 1689cm-1, 1387,1282,1161,1082,1017, 939, 786, 737cm-1
NMR SPECTRA:
MASS SPECTRA:
OTHER SPECTRA:
CHROMATOGRAM DATA

SOURCE
As the glyceride in oil of Croton tiglium; as the ester in Roman camomile oil; bacteria-free Ascaris.
CHEMICAL SYNTHESIS

METABOLISM

GENETIC INFORMATION

NOTE

REFERENCES
[0145]
AUTHOR:Crombie, L.
TITLE:
JOURNAL:Quart. Rev. Chem. Soc.
VOL:6 PAGE : 101 - (1952)
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Last updated June 19, 2007. Copyright © 1989-2007 Japanese Conference on the Biochemistry of Lipids (JCBL). All rights reserved.