método para isolar metilglicinanitrila-n,n-diacetonitrila (mgdn) a partir de uma mistura aquosa compreendendo mgdn

摘要

Isolating methyl glycine nitrile-N,N-diacetonitrile (MGDN) from an MGDN containing aqueous mixture, comprises at least one step of cooling the mixture with a cooling rate of at least 20 K/hour from the temperature above the freezing point of MGDN to a temperature below the freezing point of MGDN, where the method is carried out continuously.