Diketones Clear, colourless liquid with a pleasant, ketone-like odour. Building block for heterocycles (isoxazoles, pyrazoles, pyrimidines, pyridines). For the synthesis of metal acetylacetonates. For the synthesis of anti-corrosion preparations. Its peroxide is used as radical initiator for polymerisations. Building block for the synthesis of pharmaceuticals (e.g. Sulfamethanzine, Nicarbazine). For synthesis of vitamins. For synthesis of pesticides (e.g. Sulfamethazine, sulfonylurea-herbicides). For synthesis of coatings.