PORPHYRAZINE COLORING MATTER, INK COMPOSITION CONTAINING THE SAME AND COLORED PRODUCT

摘要

Disclosed is a porphyrazine dye represented by formula (1) [wherein the rings A to D independently represent a benzene ring or a nitrogenated heteroaromatic ring wherein 0.00 to 1.00 exclusive on average of nitrogenated heteroaromatic ring is contained the remainder are benzene rings; E represents an alkylene; X and Y independently represent a sulfo-substituted anilino group, or the like; b represents a mean value and is not less than 0.00 and less than 3.90; c is not less than 0.10 and less than 4.00 on average; the sum total of b and c is 3.00 to 4.00 exclusive on average] or a salt thereof.  Also disclosed is an ink composition containing the porphyrazine dye or a salt thereof.  The ink composition has a color that is closer to a standard color for a cyan ink, has excellent various kinds of durability, particularly excellent ozone resistance, and also has a high printing density.  Therefore, the ink composition can provide a recording image having a good balance.  The ink composition is suitable for inkjet recording.