Fastogen Blue 5421 beta- Phthalocyanine 147-14-8 Dainippon Ink and Chemicals, Incorporated (DIC) Color pigment & dye Inks >> Water-based INKS >> Flexographic inks INKS >> Gravure beta- Phthalocyanine. Blue pigment. Used in gravure and flexo inks. beta- Phthalocyanine. Blue pigment. Used in gravure and flexo inks.