Patent ID: 7727321

Claim:
A magenta ink for ink-jet recording, comprising a coloring agent, water and a water soluble organic solvent, wherein the coloring agent contains a dye (1) and at least one dye selected from the group consisting of a dye (2), C. I. Acid Red 289 and C. I. Acid Red 52, the dye (1) being represented by the general formula (1) wherein R 1 represents a hydrogen atom, an optionally substituted alkyl group or an optionally substituted aryl group; R 2 represents a hydrogen atom, a halogen atom or a cyano group; R 3 represents a hydrogen atom, an optionally substituted alkyl group, an optionally substituted aryl group or an optionally substituted heterocyclic group; R 4 , R 5 , R 6 and R 7 each independently represent a hydrogen atom, an optionally substituted alkyl group, an optionally substituted aryl group, an optionally substituted heterocyclic group, an optionally substituted sulfonyl group or an optionally substituted acyl group, provided that R 4 and R 5 are not simultaneously hydrogen atoms and that R 6 and R 7 are not simultaneously hydrogen atoms; and A 1 and A 2 are both optionally substituted carbon atoms, or one of A 2 and A 2 is an optionally substituted carbon atom and the other is a nitrogen atom, the dye (2) being represented by the general formula (2) in a free acid form: wherein R 8 , R 9 and R 10 each independently represent an optionally substituted alkyl group, an optionally substituted alkoxy group, a halogen atom, a hydrogen atom, a hydroxyl group, an optionally substituted carbamoyl group, an optionally substituted sulfamoyl group, an optionally substituted amino group, a nitro group, a sulfonate group, an optionally substituted alkylsulfonyl group, an optionally substituted arylsulfonyl group, a carboxyl group or a carboxylate group; m represents a number of 0, 1 or 2; and R 11 , R 12 and R 13 each independently represent a hydrogen atom, an optionally substituted alkyl group, an optionally substituted alkenyl group, an optionally substituted aryl group, an optionally substituted aralkyl group, an optionally substituted alicyclic group or an optionally substituted heterocyclic group.