sell 2,2'-Bis(trifluoromethyl)benzidine; 2,2'-Bis(trifluoromethyl)-4,4'-biphenyldiamine

2,2'-Bis(trifluoromethyl)benzidine; 2,2'-Bis(trifluoromethyl)-4,4'-biphenyldiamine; Molecular Formula:C14H10F6N2; Molecular Weight:320.23; CAS Registry Number:341-58-2 2,2'-Bis(trifluoromethyl)benzidine) be used for the preparation of flexible polyimide film and transparent polyimide film.