5,5-Dimethyl-1,3-cyclohexanedione Dimedone Product name5,5-Dimethyl-1,3-CyclohexanedioneCAS NO. 126-81-8Molecular formulaC8H12O2Melting point147-150 Chemical formula Assay98.5%Appearance White to off-white crystalline Packing25kg/cardboard drum. 5,5-Dimethyl-1,3-cyclohexanedione