| abstract |
A monoazo pigment is represented by the general formula (1), a tautomer of the monoazopigment, and a salt or a hydrate thereof: wherein R1, P1, and Q1 each independently represents a hydrogen or a substituent, G represents the non-metallic atoms necessary to complete a 5- to 6-membered heterocyclic group, W represents a substituent capable of binding to the heterocyclic group constituted by G, t represents an integer of from 0 to 5, Het-1 represents a group selected from the aromatic heterocyclic groups represented by the general formula (2): wherein X, Y, Z, W0, W1, W2, W3, and W4 each independently represents a hydrogen or a substituent, and * shows the point of attachment to the azo linkage in the general formula (1). |