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

摘要

A water-soluble azo compound represented by formula (1) or a salt thereof. The water-soluble yellow dye (compound) has high solubility in water, and excellent fastness properties including water resistance, moisture resistance, ozone gas resistance, scratch resistance and light resistance, and has superior color-developing properties (printing density) and color saturation. A yellow ink composition which contains the yellow dye is used for various recording purposes, particularly inkjet recording purposes. In formula (1), Q represents a halogen atom; x represents an integer of 2 to 4; and Y represents a group represented by formula (A) or (B). In formula (B), n represents an integer of 1 to 4; and R represents a hydrogen atom, a sulfo group or a carboxy group.;

主权项

1. A water-soluble azo compound represented by the following formula (1) or a salt thereof; wherein in the formula (1), Q represents a halogen atom, x represents an integer of 2 to 4, and Y represents a group represented by the following formula (A) or (B): wherein in the formula (B), n represents an integer of 1 to 4, and R represents a hydrogen atom, a sulfo group or a carboxy group.