| abstract |
Provided is an ink that prevents re-transfer of ink when printed on plain paper, and has excellent head reliability and storage stability after a pause. An ink-jet ink comprising at least water, a water-soluble organic material, and a colorant, wherein the water-soluble organic material satisfies the following requirements. (A) A water-soluble organic substance is contained in an amount of 30 to 50% by mass based on the entire ink. (B) As a water-soluble organic substance, 3-methoxy-1-butanol is contained. (C) As water-soluble organic substances, 1,3-butanediol, 3-methyl-1,3-butanediol, 1,2-butanediol, 2,3-butanediol, 1,2-pentanediol, 3-methyl 1% by mass or more of at least one selected from -3-hydroxymethyloxetane, 1,2-propanediol, and 1,3-propanediol is contained. [Selection figure] None |