Provided is a tetrakis-azo compound represented by general formula (1), or a salt thereof, as an azo dye compound for black colors The compound is suitable for use with paper and pulp, has superior dyeing properties and light resistance, and can be produced without using dianisidine, which is a Class 1 Specified Chemical Substance. In the formula (1), R1 represents a phenylamino group and A represents a substituent group represented by formula (2) or formula (3). In formulas (2) and (3), R2, R3, R4, and R5 each independently represents a sulfo group or a carboxy group, etc.
