Cyclohexanone is an organic compound that belongs to aliphatic amines. Pure cyclohexanone is a colorless liquid, but amines are usually colored with impurities, and there is no exception to cyclohexanone. It has fishy smell, mixed with water, the aqueous solution is weak alkaline, alkaline than aniline strong. In organic synthesis, cyclohexyl amine is an important intermediate. In living organisms, cyclohexanone is the metabolite of sweet matter.