Azo compounds, azo pigments, pigment dispersion, coloring composition, and ink for inkjet recording

An azo pigment represented by the following general formula (2), a tautomer, salt, or hydrate thereof:

• wherein
• G2 represents a hydrogen atom, an aliphatic group, an aryl group, or a heterocyclic group,
• R21 represents an aryl amino group containing a total of from 6 to 14 carbon atoms, a saturated or unsaturated heterocyclic amino group containing a total of from 2 to 12 carbon atoms, an aliphatic oxy group, an aliphatic group, an aryl group, or a heterocyclic group,
• R22 represents a substituent, and
• A2 represents any one of the following general formulae (A-1) to (A-34),
• m represents an integer of from 0 to 5,
• n represents an integer of from 1 to 4 and,
• when n=2, the general formula (2) represents a dimer formed through R21, R22, G2, or A2 and, when n=3, the general formula represents a trimer formed through R21, R22, G2, or A2 and, when n=4, the general formula represents a tetramer formed through R21, R22, G2, or A2:
• wherein
• R51 to R58 each represents a hydrogen atom or a substituent,
• adjacent substituents may be connected to each other to form a 5- or 6-membered ring, and
• * shows the point of attachment to the azo group in the general formula (2).