ORTHO-TOLIDINE HYDROCHLORIDE 95% AR (3,3'-Dimethyl Benzidine Dihydrochloride) ORTHO-TOLIDINE HYDROCHLORIDE 95% AR (3,3′-Dimethyl Benzidine Dihydrochloride) ORTHO-TOLIDINE HYDROCHLORIDE 95% AR (3,3′-Dimethyl Benzidine Dihydrochloride) CAS No: 612-82-8 Enquire Now Download Brochure ← Back to Products