Preparation method of o-fluorophenylhydrazine hydrochloride_Kain Industrial Additive

overview[1] as an important organic synthesis intermediate, o-fluorophenylhydrazine hydrochloride is widely used in dye and pharmaceutical manufacturing industries and has broad market prospects. preparation method[1] a preparation method of o-fluorophenylhydrazine hydrochloride, the steps are as follows: ⑴ diazotization: mix 2-fluoroaniline and 37% concentrated hydrochloric acid and cool to 0~5°c. add 35% sodium nitrite aqueous solution…