VERFAHREN ZUR HERSTELLUNG VON N,N'-DIFORMYLHYDRAZIN

摘要

The invention provides an improved process for the preparation of N,N'-diformylhydrazine of the formula from the hydrazine hydrate and formamide, which comprises operating 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.