abstract |
The present invention provides a compound having a yellow-orange-brown-red hue, excellent color developability, light resistance, and solubility in water; and an ink composition containing the compound. An azo compound represented by the following formula (1) or a salt thereof: [Wherein, R 1 to R 4 are each independently a hydrogen atom, a C1-C4 alkyl group, etc., R 5 and R 6 are C1-C4 alkyl groups, etc., n is an integer of 1 to 3, and X is divalent. Represents a group of ]. [Selection figure] None |