China o-Phenylenediamine manufacturer|OPDA CAS |Dye Intermediate

o-Phenylenediamine (CAS 95-54-5) | China Manufacturer & Exporter 1. o-Phenylenediamine (CAS 95-54-5) Product Introduction o-Phenylenediamine (CAS 95-54-5), also known as 1,2-diaminobenzene, is a crucial aromatic amine fine chemical. As a mainstream industrial intermediate produced by reliable …