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Skeletal formula of triolein
Space-filling model of the triolein molecule
IUPAC name
2,3-Bis[[(Z)-octadec-9-enoyl]oxy]propyl (Z)-octadec-9-enoate
122-32-7 YesY
ChEBI CHEBI:53753 YesY
ChemSpider 4593733 YesY
Jmol 3D model Interactive image
MeSH Triolein
PubChem 5497163
UNII O05EC62663 YesY
Molar mass 885.432 g/mol
Appearance colourless viscous liquid
Density 0.95 g/cm3
Melting point 5 °C; 41 °F; 278 K
Boiling point 554.2 °C; 1,029.6 °F; 827.4 K
Solubility chloroform 0.1g/mL
Flash point 302.6 °C (576.7 °F; 575.8 K)
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

Triolein is a symmetrical triglyceride derived from glycerol and three units of the unsaturated fatty acid oleic acid. Most triglycerides are unsymmetrical, being derived from mixtures of fatty acids. Triolein represents 4-30% of olive oil.[1]

Triolein is also known as glyceryl trioleate and is one of the two components of Lorenzo's oil.


  1. ^ Alfred Thomas (2002). "Fats and Fatty Oils". Ullmann's Encyclopedia of Industrial Chemistry. Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a10_173. ISBN 3527306730.