Cholesteryl nonanoate
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Names | |
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IUPAC name Cholest-5-en-3β-yl nonanoate | |
Systematic IUPAC name (1R,3aS,3bS,7S,9aR,9bS,11aR)-9a,11a-Dimethyl-1-[(2R)-6-methylheptan-2-yl]-2,3,3a,3b,4,6,7,8,9,9a,9b,10,11,11a-tetradecahydro-1H-cyclopenta[a]phenanthren-7-yl nonanoate | |
Other names Cholesteryl nonanoate, cholesteryl pelargonate, 3β-cholest-5-en-3-ol nonaoate | |
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ECHA InfoCard | 100.013.326 ![]() |
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InChI
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Properties | |
Chemical formula | C36H62O2 |
Appearance | White crystals |
Melting point | 77 to 82 °C (171 to 180 °F; 350 to 355 K) |
Solubility in water | Insoluble |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). ![]() ![]() ![]() Infobox references |
Cholesteryl nonanoate, also called cholesteryl pelargonate, 3β-cholest-5-en-3-ol nonaoate or cholest-5-ene-3-β-yl nonanoate, is an ester of cholesterol and nonanoic acid. It is a liquid crystal material forming cholesteric liquid crystals with helical structure. It forms spherulite crystals.[1]
Uses
It is used in some hair colors,[2] make-ups, and some other cosmetic preparations; e.g. the ISP ColorFlow line is based on mixtures with e.g. cholesteryl chloride, cholesteryl oleyl carbonate and BHT. The mixture provides an opalescent, iridescent appearance.[3]
It is also used in some pleochroic dyes and together with e.g. cholesteryl oleyl carbonate and cholesteryl benzoate in some thermochromic applications.[4]
It can be also used as a component of the liquid crystals used for liquid crystal displays.
References
- ^ Molecular Expressions: Science, Optics and You - Intel Play QX3 Computer Microscope - Movie Gallery: Cholesteryl Nonanoate
- ^ Cholesteryl nonanoate in the Consumer Product Information Database
- ^ ISP Colorflow
- ^ Cholesteryl Ester Liquid Crystals