Heptadecanoic acid

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Heptadecanoic acid[1]
Heptadecanoic acid
CAS number 506-12-7 YesY
ChemSpider 10033 YesY
ChEBI CHEBI:32365 YesY
Jmol-3D images Image 1
Molecular formula C17H34O2
Molar mass 270.45 g/mol
Appearance White crystals
Density 0.853 g/cm3
Melting point 61.3 °C (142.3 °F; 334.4 K)
Boiling point 227 °C (441 °F; 500 K) 100 mmHg
Solubility in water insoluble
Related compounds
Related fatty acids Palmitic acid
Stearic acid
Related compounds Heptadecanol
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
 YesY (verify) (what is: YesY/N?)
Infobox references

Heptadecanoic acid, or margaric acid, is a saturated fatty acid. Its molecular formula is CH3(CH2)15COOH. It occurs as a trace component of the fat and milkfat of ruminants,[2] but it does not occur in any natural animal or vegetable fat at high concentrations.[3] Salts and esters of heptadecanoic acid are called heptadecanoates.


  1. ^ Merck Index, 13th Edition, 5775
  2. ^ R. P. Hansen, F. B. Shorland and N. June Cooke (1957). "Occurrence in Butterfat of n-Heptadecanoic Acid (Margaric Acid)". Nature 179 (98): 98. doi:10.1038/179098a0. 
  3. ^ Beare-Rogers, J.; Dieffenbacher, A.; Holm, J.V. (2001). "Lexicon of lipid nutrition (IUPAC Technical Report)". Pure and Applied Chemistry 73 (4): 685–744. doi:10.1351/pac200173040685. 

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