[A blue to black colored aminoanthraquinone dye. Disperse blue 1 is primarily used in hair color formulations and in coloring fabrics and plastics, but has also been used as a fabric dye. Exposure to disperse blue 1 irritates the eye and skin. Disperse blue 1 is a mutagen and is reasonably anticipated to be a human carcinogen. (NCI05) ( NCI )]