3'-Dimethoxybenzidine

3,3'-Dimethoxybenzidine (C14H16N2O2cap C sub 14 cap H sub 16 cap N sub 2 cap O sub 2𝐶14𝐻16𝑁2𝑂2, CAS 119-90-4), also known as o-dianisidine, is a colorless to violet crystalline solid primarily used as an intermediate for producing dyes, pigments, and diisocyanates.