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Fatty acid


DATA No : DFA0020 INFORMANT : Tetsuyuki Kobayashi

NAME : Icosanoic acid / Eicosanoic acid

COMMON NAME: Arachidic acid
SYMBOL: Ach / C20:0
FORMULA: C20H40O2 MOL.WT (average) : 312.530


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BIOLOGICAL ACTIVITY

PHYSICAL AND CHEMICAL PROPERTIES
MELTING POINT:76.5-77.0degC

BOILING POINT:204degC at 1 mmHg

REFRACTIVE INDEX:1.4250 at 100degC

OPTICAL ROTATION:

DENSITY:d1004 0.8240

SOLUBILITY:practically insoluble in water; sparingly soluble in cold water; freely in hot absolute alcohol, benzene, chloroform, ether and petroleum ether.(Ref. 0182)(Ref. 0220)(Ref. 0368)(Ref. 0369)(Ref. 0523)(Ref. 0527)
SPECTRAL DATA
UV SPECTRA:

IR SPECTRA:

NMR SPECTRA:

MASS SPECTRA:
[Spectrum 0001] (provided by Dr. Takeshi Kasama).

OTHER SPECTRA:
CHROMATOGRAM DATA
Gas liquid chromatogram
[Chromatogram 0001]
[Chromatogram 0002] (provided by Dr. Akiko Horiuchi).
SOURCE
Peanut oil;rambutan fat
CHEMICAL SYNTHESIS

METABOLISM

GENETIC INFORMATION

NOTE

REFERENCES
[0182]
AUTHOR:Francis, F., et al.
TITLE:
JOURNAL:Proc. Roy. Soc.
VOL:128 PAGE : 214 - (1930)
[TOP]

[0220]
AUTHOR:Hansen, F. P., et al.
TITLE:Occurrence of n-Nonadecanoic Acid in Ox Perinephric Fat
JOURNAL:Nature (London)
VOL:176 PAGE : 882 -882 (1955)
[TOP]

[0368]
AUTHOR:Murray, K. E., and Schoenfeld, R.
TITLE:
JOURNAL:J. Amer. Oil Chem. Soc.
VOL:29 PAGE : 416 - (1952)
[TOP]

[0369]
AUTHOR:Murray, K. E., and Schoenfeld, R.
TITLE:
JOURNAL:J. Amer. Oil Chem. Soc.
VOL:30 PAGE : 25 - (1953)
[TOP]

[0523]
AUTHOR:Weitkamp, A. W., et al.
TITLE:The Free Fatty Acids of Human Hair Fat
JOURNAL:J. Amer. Chem. Soc.
VOL:69 PAGE : 1936 -1942 (1947)
[TOP]

[0527]
AUTHOR:Wild, P., and Reychler, A.
TITLE:
JOURNAL:Bull. Soc. Chim. Fr., Ser. 3
VOL:1 PAGE : 925 - (1889)
[TOP]

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