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 3,5-Diaminobenzoic acid (DABA)CAS: 535-87-5 Polyimide (PI) material 4,4-BIS(3-AMINOPHENOXY)BIPHENYL (BAPB-M)CAS: 105112-76-3 Polyimide (PI) material 2,2′-Bis(trifluoromethyl)-4,4′- diaminodiphenyl ether (6FODA)CAS: 344-48-9 Polyimide (PI) material 6,6′-Diaminodiphenylmethane-3,3′-dicarboxylic acid (MBAA)CAS: 7330-46-3 Polyimide (PI) material