AZO PIGMENTS AND DISPERSION, COLORING COMPOSITION AND INK FOR INK-JET RECORDING CONTAINING THE AZO PIGMENTS, INK-JET RECORDING METHOD AND RECORDED PRODUCT

摘要

An azo pigment represented by the general formula (1), a tautomer, salt, or hydrate thereof:
wherein
R 1 , R 2 , R 3 , Y, Z, and G each independently represents a hydrogen atom or a substituent, n represents an integer of from 2 to 4 and, when n=2, the general formula (1) represents a dimer formed through R 1 , R 2 , R 3 , Y, Z, or G and, when n=3, the general formula (1) represents a trimer formed through R 1 , R 2 , R 3 , Y, Z, or G and, when n=4, the general formula (1) represents a tetramer formed through R 1 , R 2 , R 3 , Y, Z, or G.