Symuler Fast Red 4127 Naphthol AS 16403-84-2 Dainippon Ink and Chemicals, Incorporated (DIC) Color pigment & dye Inks >> Water-based Inks >> Solvent-based INKS Naphthol AS. Red pigment. Used in water and solvent based inks. Naphthol AS. Red pigment. Used in water and solvent based inks.