Disperse blue 354 is the blue powder that is a kind of cobalt blue powder. This is useful in the dyeing of terylene and triacetate. It has good dye ability and has been included with assorted excellent properties. This can be handled in both hot melt as well as high temperature. Also, this is useful for the high pressure method dyeing. This uniform powder is suitable for polyester dyeing as well. In addition, it can be used for three of the fiber vinegar dyeing.