Process for the preparation of n,n'- diformylhydrazine

Details Process for the preparation of n,n'- diformylhydrazine Process for the preparation of n,n'- diformylhydrazine

C - Chemistry, Metallurgy

07

C

260/549.4

C07C 109/087 (1980.01)

Patent

CA 1146974

HOE 79/F 814 PROCESS FOR THE PREPARATION OF N,N'-DIFORMYLHYDRAZINE Abstract of the disclosure: The invention provides an improved process for the preparation of N,N'-diformylhydrazine of the formula Image from hydrazine hydrate and formamide, which comprises opera- ting in two temperature steps and under reduced pressure in order to remove rapidly the ammonia formed from the system. A very pure product is obtained in a yield of above 95 %, relative to hydrazine hydrate.

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