| abstract |
Provided are an ink jet ink for forming an infrared absorbing image and applications thereof, the ink jet ink including an infrared absorbing material represented by Formula (1), resin particles, a water-soluble organic solvent, a water-soluble organic compound X1, a surfactant, and water. M<sup>+</sup> represents a proton, a monovalent alkali metal cation, or an organic cation, L<sup>1</sup> represents a methine chain consisting of 5 or 7 methine groups, a methine group at a center of the methine chain has a substituent, R<sup>1</sup> to R<sup>4</sup> each independently represent a hydrogen atom or a substituent, and X represents O, S, or Se. |