| 摘要 |
Disclosed is a process for the preparation of monomethylhydrazine which comprises reacting hydrazine monohydrochloride with methanol in the presence of hydrazine dihydrochloride or methyl chloride and recovering free monomethylhydrazine from the formed monomethylhydrazine hydrochloride. According to this process, monomethylhydrazine can be prepared at a high selectivity very easily while controlling formation of by-products.
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