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Cholesteryl nonanoate

Cholesteryl nonanoate

IUPAC name	[10,13-dimethyl-17-(6-methylheptan-2-yl)- 2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro- 1H-cyclopenta[a]phenanthren-3-yl] nonanoate
Other names	Cholesteryl nonanoate, cholesteryl pelargonate, 3β-cholest-5-en-3-ol nonaoate, cholest-5-ene-3-β-yl nonanoate
Identifiers
CAS number	1182-66-7
PubChem	14448
EINECS number	214-658-3
SMILES	C[C@H](CCCC(C)C)[C@H]4CC[C@@]3([H]) [C@]2([H])CC=C1C[C@@H](OC(CCCCCCCC) =O)CC[C@@](C)1[C@]([H])2CC[C@@]34C
Properties
Molecular formula	C₃₆H₆₂O₂
Appearance	White crystals
Melting point	77 - 82 °C
Solubility in water	Insoluble
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and 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 beautiful spherulite crystals.^[1]

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Uses

It is used in some hair colors^[2], make-ups, and some other cosmetic preparations^[3]. It is also used in some pleochroic dyes and together with eg. 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.