Ricinoleic acid

Ricinoleic acid
Names
Preferred IUPAC name
(9Z,12R)-12-Hydroxyoctadec-9-enoic acid
Other names
(R)-12-Hydroxy-9-cis-octadecenoic acid
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.004.974 Edit this at Wikidata
KEGG
UNII
  • InChI=1S/C18H34O3/c1-2-3-4-11-14-17(19)15-12-9-7-5-6-8-10-13-16-18(20)21/h9,12,17,19H,2-8,10-11,13-16H2,1H3,(H,20,21)/b12-9-/t17-/m1/s1 checkY
    Key: WBHHMMIMDMUBKC-QJWNTBNXSA-N checkY
  • InChI=1/C18H34O3/c1-2-3-4-11-14-17(19)15-12-9-7-5-6-8-10-13-16-18(20)21/h9,12,17,19H,2-8,10-11,13-16H2,1H3,(H,20,21)/b12-9-/t17-/m1/s1
    Key: WBHHMMIMDMUBKC-QJWNTBNXBT
  • O=C(O)CCCCCCC\C=C/C[C@H](O)CCCCCC
Properties
C18H34O3
Molar mass 298.461 g/mol
Appearance Yellow viscous liquid
Density 0.945 g/cm3
Melting point 5 °C (41 °F; 278 K)
Boiling point 245 °C (473 °F; 518 K)
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
Flash point 228 °C (442 °F; 501 K)
Safety data sheet (SDS) Fisher Scientific
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Ricinoleic acid, formally called 12-hydroxy-9-cis-octadecenoic acid, is a fatty acid. It is an unsaturated omega-9 fatty acid[1] and a hydroxy acid. It is a major component of the seed oil obtained from the seeds of castor plant (Ricinus communis L., Euphorbiaceae), the plant that produces ricin. It is also found in the sclerotium of ergot (Claviceps purpurea Tul., Clavicipitaceae). About 90% of the fatty acid content in castor oil is the ricinolein.

  1. ^ Frank D. Gunstone; John L. Harwood; Albert J. Dijkstra (2007). The Lipid Handbook. CRC Press. p. 1472. ISBN 978-1-4200-0967-5.

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