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cholesteryl oleyl carbonate
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Cholesteryl oleyl carbonate (COC) is an organic chemical, an carbonate ester of cholesterol and oleyl alcohol with carbonic acid. It is a liquid crystal material forming cholesteric liquid crystals with helical structure. It is a transparent liquid, or a soft crystalline material with melting point around 20 °C. It can be used with cholesteryl nonanoate and cholesteryl benzoate in some thermochromic liquid crystals.
It is used in some hair colors, make-ups, and some other cosmetic preparations.
It can be also used as a component of the liquid crystals used for liquid crystal displays.
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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