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

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 advantage
1. Quality Control: We take quality as our life. We strictly control the quality of each process and establish a complete quality control system. We are committed to bringing consumers 100% of the highest quality products.
2. Trade capacity: We have been focusing on chemical and biomedical international trade for more than 10 years. Has a wealth of products and trade capabilities. Cooperative customers are all over the world and have good reputation.
3. Transportation capacity: We have professional freight forwarders and customs clearance agencies at the destination. Deliver your package safely. According to the customer's transportation needs can be selected.
4. Carefully packaged: 1kg, 5kg, 15kg, 20kg, 25kg can be packaged in different specifications. Packaging can be customized according to customer requirements. Foil bags and cartons. Ensure safe transportation. And provide free samples.
5. High-quality service: We have a professional customer service team and after-sales team. Proficiency in every language will guarantee your after-sales service.