Patent ID: 8523991

Claim:
An ink composition which contains a compound represented by the following general formula (1) and a humectant, wherein the content of the compound represented by the general formula (1) is from 0.1% by mass to less than 7.0% by mass, the content of humectant having 3 or more hydroxyl groups is 8.0% by mass or less, the ink composition contains at least glycerin as the humectant having 3 or more hydroxyl groups, and the molar ratio of the humectant having 3 or more hydroxyl groups/the compound represented by the general formula (1) is less than 15.0; wherein in the above general formula (1), Ar 1 and Ar 2 each independently represents an aromatic hydrocarbon ring group, a non-aromatic hydrocarbon ring group, an aromatic heterocyclic group, or a non-aromatic heterocyclic group, A 1 and A 2 each independently represents a hydrogen atom or a substituent, Y represents —OM or —NR 1 R 2 , M represents a hydrogen atom or a metal ion, and R 1 and R 2 each independently represents a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aralkyl group, an aryl group, or a heterocyclic group.