Solvent Violet 13 is a blue-violet oil solvent dye. Good color fastness, good heat resistance, good migration resistance and bright color. Solvent Violet 13 is mainly used for the coloring of polystyrene, ABS, hard polystyrene and various resins. It is also used for the coloring of polyester and fiber protoplasm. Brilliant blue purple. Purple powder. Insoluble in water, soluble in organic solvents such as benzene, xylene, and N, Nâ??Dimethylformamide. In concentrated sulfuric acid for SAP green, dilution after olive, and then a red light blue precipitation. It is mainly used for coloring various resins such as polystyrene, ABS resin, and polyvinyl chloride, and also for coloring polyester protoplasm.