Which solvents that solve DCU after an esterification catalyzed by DCC ? is DCU soluble in water ,ethanol? ?

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Atheer S. Mahmood

DCU=Dicyclohexylurea

Abdelhak Maghchiche

DCU is insoluble in water but dissolves in organic solvents like dichloromethane and DMF. Acetonitrile can be used to precipitate DCU by cooling the mixture.

Emanuel Cooper

1,3-dicyclohexylurea (CAS #2387-23-7) has been repeatedly crystallized out of ethanol (see SciFinder entries under Experimental properties --> Thermal). This means that it is soluble at least in warm ethanol; depending on your needs it may be soluble enough in cold ethanol as well.