2 COLORING MATTER-NAMELY, DYESTUFFS AND PIGMENTS FOR TEXTILE, INKS, PLASTICS, PAPER AND LEATHER; OPTICAL BRIGHTENERS; PRINTING AND DYEING AUXILIARIES; RELATED SPECIALTY PRODUCTS SUCH AS PRINTING INKS AND FLUORESCENT WHITENING AGENTS FOR PLASTICS; DYEING ASSISTANTS FOR THE TEXTILE INDUSTRY; METALS IN FOIL AND POWDER FORM FOR PAINTERS AND DECORATORS