Diethyl malonate CAS# 105-53-3

Use I】It is used as an intermediate of pharmaceutical weekly effect sulfonamide and barbiturate, and also as an intermediate of spice and dye.

Use 2] GB 2760 a 96 stipulates that it is allowed to be used as an edible flavor. Mainly used in the preparation of pears, apples, grapes, cherries, and other fruit-type flavors.

Use 3】Diethyl malonate is an important intermediate for the preparation of 2-amino-4,6-dimethoxypyrimidine and can be used to prepare sulfonylurea herbicides, such as bensulfuron, pyrimethanesulfuron, nicosulfuron, etc. It is also used as an intermediate for sulfonamide and barbiturate in medicine.

Use IV] Diethyl malonate is an intermediate of organic synthesis. Diethyl malonate is widely used in the production of dyes, fragrances, sulfonylurea herbicides, etc. Diethyl malonate is mainly used to produce ethoxymethoxylate, barbiturate, diethyl alkylmalonate, which is then used to synthesize pharmaceuticals such as norfloxacin, moxifloxacin, chloroquine, pautazone, etc. and synthetic dyes and pigments such as benzimidazolone organic pigments. Overseas diethyl malonate is mainly used to produce ethoxymethoxylate, barbiturate, and diethyl malonate alkylates.

【Use five】 Checking ammonia and potassium. Gas chromatography stationary solution (maximum use temperature 40 ℃, the solvent is benzene, chloroform, ethanol). Used as a solvent for resin and nitrocellulose, plasticizer. Organic synthesis.