PORPHYRAZINE DYE, INK, INK SET, AND COLORED MATTER

摘要

The present invention relates to a porphyrazine coloring matter represented by the following formula (1):
(wherein, A, B, C and D independently represents a 6-membered ring having aromaticity, at least one or more is a benzene ring, at least one or more contains a nitrogen-containing heteroaromatic ring; in addition, E represents alkylene and each of X and Y independently represents a substituted or unsubstituted anilino group or a substituted or unsubstituted naphthylamino group; and b is 0 to 2.9, c is 0.1 to 3 and the sum of b and c is 1 to 3)
which has a good hue as a cyan ink, is excellent in light fastness, ozone fastness and moisture fastness, and does not cause bronze phenomenon, as well as is thus suitable for inkjet recording.