Home Display Materials Polyimide (PI) material 2,2'-Dimethyl-[1,1'-biphenyl] -4,4'-Diamine (M-Tolidine) 2,2′-Dimethyl-[1,1′-biphenyl] -4,4′-Diamine (M-Tolidine) CAS: 84-67-3 Category: Polyimide (PI) material Related products 4,4′-Diaminodiphenylmethane (MDA)CAS: 101-77-9 p-PhenylenediaMine(p-PDA)CAS: 106-50-3 6-(4-Hydroxyphenoxy)hexyl acrylateCAS: 161841-12-9 Bisphenol AFCAS: 1478-61-1