Diethyl Phenylacetyl Malonate BMK Oil Cas No. 20320-59-6 99%

cas no.:20320-59-6 New BMK oil yellow liquid

Preparation:The anhydrous ethanol co-vaporized with diethyl phthalate and sodium metal is added dropwise to the mixture of diethyl malonate, carbon tetrachloride and magnesium, heated to start the reaction, and the temperature is controlled to smooth the reaction. Then add anhydrous diethyl ether, heat for 1h, add the diethyl ether solution of phenylacetyl chloride (add slowly, not to make the reaction too intense). After the reaction is completed, cool and add water, separate the oil layer, and evaporate the diethyl ether under reduced pressure to obtain diethyl(phenylacetyl)malonate.

Packaging:We provide different specifications of packaging according to customer needs. Meet all the needs of customers. Different packaging is used for different chemical powders and liquids. We can also do with aluminum foil bag sealed vacuum packaging and can provide 1kg 2kg 5kg 10kg 20kg 25kg 200kg different specifications of packaging. Use high-hardness cartons and filling materials to avoid product damage during transportation. Customers receive satisfactory products.

Our Company:Lihe Pharmaceutical Technology (Wuhan) Co., Ltd. is a pharmaceutical company integrating product development, production and chemical intermediates, specializing in the research, development, production and export of organic intermediates, pharmaceutical intermediates, chemical solvents and pesticides.Loacted in Hubei Province, involving pesticide, medicine, chemical industry, coating, dye, reagent, polyester, petrochemical and other fields. AOP provide excellent products and products for customers according to quality, quantity and time Service, established a good brand reputation and business reputation in the industry, won the trust and support of many customers at home and abroad.since its establishment, the company has always adhered to the principle of people-oriented, technology for survival, quality for credit, service tenet, consistent quality and reputation guarantee, continuous pioneering spirit of business is the cornerstone of our development.