Preparation of 2-aminophenol_Kain Industrial Additive

background and overview[1][2] 2-aminophenol is also called o-aminophenol. o-aminophenol (opa), a typical aromatic amphoteric compound, is an important chemical intermediate and is widely used in dyes, medicine, printing industry and biological fields. preparation[1] the main preparation processes of 2-aminophenol include iron powder reduction, hydrogenation reduction, nitrification and reduction, and sodium sulfide reduction. its traditional synthesis…