Purification of aminonitriles or diamines

Details Purification of aminonitriles or diamines Purification of aminonitriles or diamines

C - Chemistry, Metallurgy

07

C

C07C 209/86 (2006.01) C07C 209/84 (2006.01) C07C 211/09 (2006.01) C07C 253/34 (2006.01) C07C 255/24 (2006.01)

Patent

CA 2059987

Separation of an aliphatic aminonitrile or an aliphatic diamine from a mixture containing the corresponding cyclic, aliphatic, mono-unsaturated amine by adding caustic compound to the mixture and then distilling the aminonitrile or the diamine at a temperature less than 170°C and at a pressure of less than 1 atmosphere.

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