| abstract |
The present invention provides an azo compound represented by the following formula (1) or a salt thereof. The azo compound or a salt thereof has a hue from yellow to orange to brown to red, has good color development, and is applicable to various records, Especially suitable for inkjet recording, it is excellent in various fastness properties such as light resistance, ozone resistance, and fading balance, and can be used as a pigment with good solubility in water. Furthermore, the present invention also provides an ink composition containing the pigment. In addition, in the formula, R 1 to R 8 independently represent a hydrogen atom, C1-C4 alkyl, C1-C4 alkoxy, etc., and X represents C1-C8 alkylene diamino, xylylene diamino, etc. |