English alias:Benzene-1,2-diamine;OPDA;1,2-Diaminobenzene;o-Phenylenediamine OPD;1,2-Phenylenediamine;o-Phenylendiamine;o-Phenylenediamine;1,2-BenzenediaMine;1.2-diaminobenzene;ek1700;ik3;OPD;OPG;ortho-benzenediamine;ortho-diaminobenzene;ortho-phenylenediamine;PODA;C.I. 76010;C.I. Oxidation base 16;Orthamine