Preparation method of 3-nitrophenylhydrazine hydrochloride_Kain Industrial Additive

background and overview[1][2] 3-nitrophenylhydrazine hydrochloride is an aromatic organic compound and an important pharmaceutical intermediate. the existing technology uses m-nitroaniline as raw material, undergoes diazotization reaction, sodium sulfite reduction, hydrolysis, and salt formation to prepare the hydrochloride of m-nitrophenylhydrazine. the reaction time is long, and the generally required yield is only 63-72%, and the production…