| 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 disazo compound or a salt thereof bonded with an amino-azo compound represented by the following formula (5) and a specific cyanuric chloride residue. [Selection figure] None |