Patent ID: 8535432

Claim:
A porphyrazine coloring matter or a salt thereof represented by the following formula (1) wherein, the rings of A to D represented by broken lines each independently represent a benzene ring or a 6-membered nitrogen-containing heteroaromatic ring fused to a porphyrazine ring, where the number of the nitrogen-containing heteroaromatic ring is over 0.00 and 3.00 or less as an average value and the rest are benzene rings, E represents C2-C12 alkylene, X is a sulfoanilino group, a carboxyanilino group, a phosphonoanilino group, a sulfonaphthylamino group, a carboxynaphthylamino group or a phosphononaphthylamino group and may further have, as a substituent, at least one kind of group selected from the group consisting of a sulfo group, a carboxy group, a phosphono group, a sulfamoyl group, a carbamoyl group, a hydroxy group, a C1-C6 alkoxy group, an amino group, a mono C1-C4 alkylamino group, a di C1-C4 alkylamino group, a monoarylamino group, a diarylamino group, a C1-C3 alkylcarbonylamino group, an ureide group, a C1-C6 alkyl group, a nitro group, a cyano group, a halogen atom, a C1-C6 alkylsulfonyl group and a C1-C6 alkylthio group, R 1 represents a C1-C6 alkyl group, b is, as an average value, 0.00 or more and less than 3.90, c is, as an average value, 0.10 or more and less than 4.00, and the sum of b and c is, as an average value, 1.00 or more and less than 4.00.