Patent ID: 7316472

Claim:
An ink for ink jet recording comprising a dye dissolved or disperses in an aqueous medium, wherein the dye is a water-soluble dye having an oxidation potential more positive than 1.0 V (vs SCE) and the ink comprises at least one compound selected from compounds represented by the following general formula (A) or general formula (B): in the formula, X represents a group containing carbonyl or a heteroatom; Z 1 represents a group of atoms that can form a cyclic organic substance: X 1 —Y-Z General formula (B) in the formula, X 1 represents a group shown by —N(Q 1 )-Q 2 ; Z represents a group shown by —N(Q 1 )-Q 2 or a group shown by —O-Q 3 ; Y represents a group shown by —W-(G) k -(H) n —; W and H represent groups shown by —CO—, —SO 2 —, or —PO(Q 4 )-; G represents a divalent connecting group; Q 1 to Q 4 represent any of a hydrogen atom, an amino group, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, a heterocyclic group, a heteroaryl group, an alkoxy group, an aryloxy group, a heterocyclic oxy group, a heteroaryloxy group, an alkylamino group, an arylamino group, a heterocyclic amino group, and a heteroarylamino group; X and Z may combine with each other to form a ring; K and n each represent 0 or 1.