Cholesteryl chloride

Cholesteryl chloride
Cholesteryl chloride[1]
CAS number 910-31-6 YesY
PubChem 92850
ChemSpider 16498751 YesY
Jmol-3D images Image 1
Image 2
Molecular formula C27H45Cl
Molar mass 405.10
Melting point

94-96 °C

S-phrases S22 S24/25
 YesY (verify) (what is: YesY/N?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Cholesteryl chloride, also called 3-chlorocholest-5-ene or 3β-chlorocholest-5-ene, is an organic chemical, an organochloride derivate cholesterol. It is a liquid crystal material forming clockwise cholesteric liquid crystals. It is a transparent liquid, or a soft crystalline material with melting point around 94-96 °C.

It can be used with cholesteryl nonanoate, cholesteryl benzoate, and/or cholesteryl oleyl carbonate in some thermochromic liquid crystals.

It is used in some hair colors, make-ups, and some other cosmetic preparations.[2]

It can be also used as a component of the liquid crystals used for liquid crystal displays.


  1. ^ Cholesteryl chloride at Sigma-Aldrich
  2. ^ Record in the Household Products Database of NLM

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