WATER-SOLUBLE AZO COMPOUND OR SALT THEREOF, INK COMPOSITION AND COLORED BODY

摘要

Disclosed is a yellow dye which has a hue with high definition that is suitable for inkjet recording, and which enables a material recorded therewith to have high fastness in various fields. The yellow dye is capable of providing an ink composition that has excellent storage stability. Also disclosed is an ink composition containing the yellow dye. Specifically disclosed are a water-soluble azo compound represented by formula (1) or a salt thereof, and an ink composition containing the compound or salt. The ink composition has a chroma saturation and hue suitable for inkjet recording, and enables a material recorded therewith to have high fastness in various fields, in particular high ozone gas resistance, while enabling an image recorded therewith to have excellent storage stability and the like. In formula (1), Q represents a halogen atom; x represents an integer of 2 to 4; and the group A represents an amino group represented by the following formula (101). In formula (101), y represents an integer of 1 to 3.