| abstract |
Water-soluble nickel phthalocyanine azo dyes of the general formula <IMAGE> in which NiPc contains an (x + y + z) -valent nickel phthalocyanine radical, y 1 or 2; x 1, 2 or 3, z 0 or 1, where 3 <= (x + y + z) <= 4, B is an optionally substituted phenylene radical, Hal is fluorine, chlorine or bromine and D is fluorine, chlorine, bromine or not mean fiber-reactive radical, and their use for dyeing cellulosic material and leather. The dyes give brilliant and strong green colorations that have good fastness properties. |