Heptadecanoic acid

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Heptadecanoic acid[1]
Heptadecanoic acid
IUPAC name
Heptadecanoic acid
Other names
Margaric acid
n-Margaric acid
n-Heptadecanoic acid
Heptadecylic acid
n-Heptadecylic acid
17:0 (Lipid numbers)
3D model (JSmol)
ECHA InfoCard 100.007.298
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
Related compounds
Related fatty acids
Palmitic acid
Stearic acid
Related compounds
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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] For example, it only comprises 2.2% of the fats from the fruit of the durian species Durio graveolens.[4] However, in the 19th and early 20th centuries, there were numerous reports of the acid being found in natural fats in significant amounts. Most likely, these were cases of misidentifying a eutectic mixture of palmitic and stearic acids.[5] 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. Bibcode:1957Natur.179...98H. 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.
  4. ^ Nasaruddin, Mohd hanif; Noor, Noor Qhairul Izzreen Mohd; Mamat, Hasmadi (2013). "Komposisi Proksimat dan Komponen Asid Lemak Durian Kuning (Durio graveolens) Sabah" [Proximate and Fatty Acid Composition of Sabah Yellow Durian (Durio graveolens)] (PDF). Sains Malaysiana (in Malay). 42 (9): 1283–1288. ISSN 0126-6039. OCLC 857479186. Retrieved 28 November 2017.
  5. ^ Чёт или нечет? Занимательные очерки по химии, pages 116-120

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