Azo Compound, Ink Composition, Recording Method and Colored Article

An azo compound represented by the following Formula (1)

• (wherein, each of R1, and R2 independently represents a hydrogen atom, a halogen atom, a cyano group, a carboxy group, a sulfo group, a sulfamoyl group, an N-alkylaminosulfonyl group, an N-phenylaminosulfonyl group, a (C1 to C4) alkylsulfonyl group which may be substituted by a hydroxy group, a phosphono group, a nitro group, an acyl group, a ureide group, a (C1 to C4) alkyl group (which may be substituted by a group selected from the group consisting of a hydroxy group and a (C1 to C4) alkoxy group), a (C1 to C4) alkoxy group (which may be substituted by a group selected from the group consisting of a hydroxy group, a (C1 to C4) alkoxy group, a sulfo group and a carboxy group), an acylamino group, an alkylsulfonylamino group or a phenylsulfonylamino group (the phenyl group may be substituted by a group selected from the group consisting of a halogen atom, an alkyl group and a nitro group),
• each of R3, R4, R5, R6, R7 and R8 independently represents a hydrogen atom, a halogen atom, a hydroxy group, a cyano group, a carboxy group, a sulfo group, a sulfamoyl group, an N-alkylaminosulfonyl group, an N-phenylaminosulfonyl group, a (C1 to C4) alkylsulfonyl group which may be substituted by a hydroxy group, a phosphono group, a nitro group, an acyl group, a ureide group, a (C1 to C4) alkyl, group (which may be substituted by a hydroxy group or a (C1 to C4) alkoxy group), a (C1 to C4) alkoxy group (which may be substituted by a hydroxy group, a (C1 to C4) alkoxy group, a sulfo group or a carboxy group), an acylamino group, an alkylsulfonylamino group or a phenylsulfonylamino group (the phenyl group may be substituted by a halogen atom, an alkyl group or a nitro group), and
• n represents 0 or 1, respectively)
• or a salt thereof.