Fastogen Super Violet RN Dioxazine 6358-30-1 Dainippon Ink and Chemicals, Incorporated (DIC) Color pigment & dye Inks >> Water-based INKS >> Flexographic inks INKS >> Gravure Dioxazine. Possesses bluish shade, good rheology and gloss. Used in flexo and gravure inks. Dioxazine. Possesses bluish shade, good rheology and gloss. Used in flexo and gravure inks.