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Fatty acid

DATA No : DFA0018 INFORMANT : Tetsuyuki Kobayashi
NAME : Octadecanoic acid
COMMON NAME: Stearic acid
SYMBOL: Ste / C18:0
FORMULA: C18H36O2 MOL.WT (average) : 284.477

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BIOLOGICAL ACTIVITY

PHYSICAL AND CHEMICAL PROPERTIES
MELTING POINT:69.6degC
BOILING POINT:213degC at 5 mmHg
REFRACTIVE INDEX:1.4337 at 70degC
OPTICAL ROTATION:
DENSITY:d4-80 0.8390
SOLUBILITY:insoluble in water;soluble in alcohol and ether.(Ref. 0305) (Ref. 0368) (Ref. 0369) (Ref. 0445) (Ref. 0522) (Ref. 0523)
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
Animal fats(generally)
CHEMICAL SYNTHESIS

METABOLISM

GENETIC INFORMATION

NOTE

REFERENCES
[0305]
AUTHOR:Krafft, F.
TITLE:
JOURNAL:Justus Liebigs Ann. Chem.
VOL:12 PAGE : 1668 - (1879)
[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]
[0445]
AUTHOR:Shorland, F. B., Gerson, T., and Hansen, R. P.
TITLE:Branched-chain fatty acids of butterfat. 7. Investigation of the C13 acids PubMed ID:13276359
JOURNAL:Biochem J.
VOL:61 PAGE : 702-704 (1955)
[TOP]
[0522]
AUTHOR:Weitkamp, A. W.
TITLE:
JOURNAL:J. Amer. Chem. Soc.
VOL:67 PAGE : 447 - (1945)
[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]
Last updated June 19, 2007. Copyright © 1989-2007 Japanese Conference on the Biochemistry of Lipids (JCBL). All rights reserved.