| 摘要 |
PROBLEM TO BE SOLVED: To provide an azo compound having excellent solubility, and an oily or aqueous dye composition of the same.SOLUTION: Provided is a tetra(C1-4 alkyl)ammonium salt compound of a metal complex of Cr or Co containing as ligands 2 molecules of an azo compound represented by formula (4). (Ria a C1-4 alkyl group; Ris H, an amino group, or a C1-4 alkyl group; Rand Rare each independently H, a halogen atom, a nitro group, an aryl group, a C1-4 alkyl group, -SONHR, or -COOR; and Ris H, C1-8 monovalent aliphatic hydrocarbon group, or the like.) |
