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Oleic acid

Oleic acid
Oleic acid
Oleic acid
Names
Preferred IUPAC name
(9Z)-Octadec-9-enoic acid
Other names
Oleic acid
(9Z)-Octadecenoic acid
(Z)-Octadec-9-enoic acid
cis-9-Octadecenoic acid
cis-Δ9-Octadecenoic acid
18:1 cis-9 (Lipid numbers)
Identifiers
3D model (JSmol)
ChEMBL
ChemSpider
DrugBank
ECHA InfoCard 100.003.643 Edit this at Wikidata
UNII
  • InChI=1S/C18H34O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h9-10H,2-8,11-17H2,1H3,(H,19,20)/b10-9- ☒N
    Key: ZQPPMHVWECSIRJ-KTKRTIGZSA-N ☒N
  • InChI=1/C18H34O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h9-10H,2-8,11-17H2,1H3,(H,19,20)/b10-9-
    Key: ZQPPMHVWECSIRJ-KTKRTIGZBB
  • CCCCCCCC\C=C/CCCCCCCC(O)=O
Properties
C18H34O2
Molar mass 282.468 g·mol−1
Appearance colorless oily liquid with lard-like odor
Density 0.895 g/mL
Melting point 13 to 14 °C (55 to 57 °F; 286 to 287 K)
Boiling point 360 °C (680 °F; 633 K)[1]
Insoluble
Solubility in Ethanol Soluble
-208.5·10−6 cm3/mol
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 0: Exposure under fire conditions would offer no hazard beyond that of ordinary combustible material. E.g. sodium chlorideFlammability 1: Must be pre-heated before ignition can occur. Flash point over 93 °C (200 °F). E.g. canola oilInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
0
1
0
Safety data sheet (SDS) JT Baker
Related compounds
Related compounds
 Elaidic acid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Oleic acid is a fatty acid that occurs naturally in various animal and vegetable fats and oils. It is an odorless, colorless oil, although commercial samples may be yellowish due to the presence of impurities. In chemical terms, oleic acid is classified as a monounsaturated omega-9 fatty acid, abbreviated with a lipid number of 18:1 cis-9, and a main product of Δ9-desaturase.[2] It has the formula CH3−(CH2)7−CH=CH−(CH2)7−COOH.[3][page needed] The name derives from the Latin word oleum, which means oil.[4] It is the most common fatty acid in nature.[5] The salts and esters of oleic acid are called oleates. It is a common component of oils, and thus occurs in many types of food, as well as in soap.

  1. ^ Young, Jay A. (2002). "Chemical Laboratory Information Profile: Oleic Acid". Journal of Chemical Education. 79 (1): 24. Bibcode:2002JChEd..79...24Y. doi:10.1021/ed079p24.
  2. ^ Nakamura, Manabu T.; Nara, Takayuki Y. (2004). "Structure, function, and dietary regulation of Δ6, Δ5, and Δ9 desaturases". Annual Review of Nutrition. 24: 345–376. doi:10.1146/annurev.nutr.24.121803.063211. PMID 15189125.
  3. ^ Cite error: The named reference Ullmann was invoked but never defined (see the help page).
  4. ^ Bailey and Bailey, Dorothy and Kenneth (1929). "An Etymological Dictionary of Chemistry and Mineralogy". Nature. 124 (3134): 789–790. Bibcode:1929Natur.124..789V. doi:10.1038/124789b0. S2CID 4024133.
  5. ^ "9-Octadecenoic acid". PubChem, National Center for Biotechnology Information, US National Library of Medicine. 14 July 2018. Retrieved 19 July 2018.
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