申请人:NIPPON KAYAKU KABUSHIKI KAISHA
公开号:EP2031027A1
公开(公告)日:2009-03-04
Disclosed is an azo compound represented by the formula (1) or (2) below, or a salt thereof.
(In the formulae, A represents a substituted phenol group or a naphthyl group having 1-3 sulfonic acid groups; X represents -N=N- or -NHCO-; R1-R4 independently represent a hydrogen atom, a lower alkyl-group or a lower alkoxyl group; m represents a number of 1-3; and n represent 0 or 1.)
披露的是以下公式(1)或(2)所代表的偶氮化合物,或其盐。
(在公式中,A代表具有1-3个磺酸基团的取代苯酚基团或萘基团;X代表-N=N-或-NHCO-;R1-R4独立地代表氢原子、低烷基基团或低烷氧基团;m代表1-3的数字;n代表0或1。)