Also Called: 3,3'-Dimethoxybenzidine (ortho-Dianisidine); 3,3'-dimethoxybenzidine; [1,1'-Biphenyl]-4,4'-diamine, 3,3'-dimethoxy-; o-dianisidine; 3,3'-Dimethoxybenzidine (see 3,3'-Dimethoxybenzidine and Dyes Metabolized to 3,3'-Dimethoxybenzidine); C.I. disperse black 6; [1,1'-Biphenyl]-4,4'-diamine, 3,3'-dimethoxy- [3,3'-Dimethoxybenzidine; o-Dianisidine]; 3,3'-Dimethoxybenzidine [o-Dianisidine];3,3'-Dimethoxybenzidine (o-Dianisidine);3,3'-Dimethoxy-[1,1'-biphenyl]-4,4'-diamine;o -dianisidine;3,3'-dimethoxybenzidine <i>o</i>-dianisidine;3,3′-Dimethoxybenzidine;o-diani sidine