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

摘要

PROBLEM TO BE SOLVED: To provide a water-soluble yellow pigment that is excellent in water resistance, moisture resistance, scratch resistance, light resistance and ozone resistance, and a yellow ink composition for inkjet recording.SOLUTION: The present invention provides a water-soluble azo compound illustrated by the following formula or salt thereof.SELECTED DRAWING: None