| abstract |
[PROBLEMS] To provide a water-soluble yellow pigment (compound) that is highly soluble in water and has various fastness properties such as water resistance, moisture resistance, ozone gas resistance, abrasion resistance, and light resistance, and particularly excellent in ozone gas resistance, and the like. A yellow ink composition for various recordings, particularly for inkjet recording. A water-soluble azo compound exemplified by formula (12) or the like, a salt thereof, a yellow ink composition for use in recording, particularly ink jet recording, and a colored body colored with the ink composition. [Selection figure] None |