Diisopropyl Malonate CAS No.: 13195-64-7
Application: pharmaceutical, pesticide intermediates
Product specifications: Content: 99.0%min
Moisture: 0.07%max
Acidity: 0.07%max
Main packaging: 200KG plastic barrel, 1000L IBC barrel or ISO container tank.
Application:
1.Diisopropyl malonate is an intermediate of the fungicide rice blast.
2.Used as an intermediate for medicine and pesticides.
Production method:
The preparation method is to add sodium malonate, benzene and isopropanol into a reactor, and add sulfuric acid dropwise at 60-70°C for esterification reaction for 3-4 hours. After the reaction, the crude diisopropyl malonate is cooled and pumped into a washing kettle for water washing and alkali washing, and the feed liquid is separated in a separator, and then the product is obtained by desolventization and distillation.