| abstract |
PROBLEM TO BE SOLVED: To obtain a recorded material having excellent printing quality, good fixability of a colorant to a recorded material, excellent moisture resistance, ozone resistance and light resistance, and stable foaming with suppressed foaming. To provide a magenta ink composition having reliability and suitable for ink jet recording. [MEANS FOR SOLVING PROBLEMS] A magenta comprising at least one compound represented by the following formula (I) and at least one compound represented by the following formula (II) as a colorant: Ink composition. [Chemical 1] (In formula I, R1 to R5 represent a hydrogen atom, an alkyl group, a sulfo group or a salt thereof, and X, Y and Z each independently represent an aromatic group or a heterocyclic group. ) [Chemical 2] (In Formula II, M represents a hydrogen atom, an ammonium group, or an alkali metal atom, X represents a diaminoalkylene group, and n is 1 or 2.) [Selection figure] None |