Preparation of 3-bromophenylhydrazine hydrochloride_Kain Industrial Additive

background and overview[1] as an important organic synthesis intermediate, 3-bromophenylhydrazine hydrochloride is widely used in the pharmaceutical manufacturing industry and has broad market prospects. preparation[1] the product produced by the existing preparation method of 3-bromophenylhydrazine hydrochloride has high impurity content, low purity, poor stability, and small output, which cannot meet the needs of the market.…