Process for the production of malononitrile

Details Process for the production of malononitrile Process for the production of malononitrile

C - Chemistry, Metallurgy

07

C

C07C 255/04 (2006.01) C07C 253/20 (2006.01) C07C 255/09 (2006.01)

Patent

CA 2312514

An improved process for the commercial production of malononitrile by the dehydration of cyanoacetamide employs cyanuric chloride in the presence of a catalytic amount of N,N-dimethylformamide and in a polar solvent that is removed by vacuum distillation at a temperature below 100°C. The N,N- dimethylformamide is added in a molar ratio of 0.16 moles for each mole of cyanoacetamide present in the starting solution.

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