| abstract |
A water-soluble yellow dye (compound) having high solubility in water, high color developability, and excellent chroma of recorded images, and various inks containing the same, and particularly yellow ink compositions for ink jet recording Of offer. A water-soluble azo compound represented by the following or a salt thereof. (In the formula, Q is a halogen atom, x represents an integer of 2 to 4, and the group A represents a methyl (or ethyl) carboxymethylamino, proline residue.) [Selection figure] None |