An ink for ink jet comprising a coloring material and a water-soluble organic solvent, wherein the coloring material contains a compound represented by the following general formula; the water-soluble organic solvent contains a compound represented by the following general formula and a linear both-terminal alkanediol having 4 to 6 carbon atoms; and a content A (mass%) of the compound represented by the following general formula based on the total mass of the ink is 4.0 mass% or more and 12.0 mass% or less, and a mass ratio (A/B) of the content A (mass%) to a content B (mass%) of the alkanediol based on the total mass of the ink is 2.5 times or more and 4.0 times or less: in the general formula: R 1 and R 3 each independently represent a hydrogen atom, a halogen atom, a cyano group, a hydroxy group, a carboxylic acid group, a sulfonic acid group, a phosphonic acid group, a sulfamoyl group, an N-alkylaminosulfonyl group, an alkylsulfonyl group, a nitro group, an acyl group, a ureido group, an alkyl group, an alkoxy group, an acylamino group, or an alkylsulfonylamino group; R 2 represents a hydrogen atom or a sulfonic acid group; n represents 0 or 1; and M's each independently represent a hydrogen atom, an alkali metal, ammonium, or an organic ammonium: R 4 - -R 5 ··· in the general formula, - - represents -S- or -S(=O) 2 -, and R 4 and R 5 each independently represent an alkyl group or a hydroxyalkyl group, wherein the compound represented by the general formula comprises a compound represented by the following general formula: in the general formula, M's each independently represent a hydrogen atom, an alkali metal, ammonium, or an organic ammonium. wherein the coloring material contains a compound represented by the following general formula; the water-soluble organic solvent contains a compound represented by the following general formula and a linear both-terminal alkanediol having 4 to 6 carbon atoms; and a content A (mass%) of the compound represented by the following general formula based on the total mass of the ink is 4.0 mass% or more and 12.0 mass% or less, and a mass ratio (A/B) of the content A (mass%) to a content B (mass%) of the alkanediol based on the total mass of the ink is 2.5 times or more and 4.0 times or less: in the general formula: R 1 and R 3 each independently represent a hydrogen atom, a halogen atom, a cyano group, a hydroxy group, a carboxylic acid group, a sulfonic acid group, a phosphonic acid group, a sulfamoyl group, an N-alkylaminosulfonyl group, an alkylsulfonyl group, a nitro group, an acyl group, a ureido group, an alkyl group, an alkoxy group, an acylamino group, or an alkylsulfonylamino group; R 2 represents a hydrogen atom or a sulfonic acid group; n represents 0 or 1; and M's each independently represent a hydrogen atom, an alkali metal, ammonium, or an organic ammonium: R 4 - -R 5 ··· in the general formula, - - represents -S- or -S(=O) 2 -, and R 4 and R 5 each independently represent an alkyl group or a hydroxyalkyl group, R 1 and R 3 each independently represent a hydrogen atom, a halogen atom, a cyano group, a hydroxy group, a carboxylic acid group, a sulfonic acid group, a phosphonic acid group, a sulfamoyl group, an N-alkylaminosulfonyl group, an alkylsulfonyl group, a nitro group, an acyl group, a ureido group, an alkyl group, an alkoxy group, an acylamino group, or an alkylsulfonylamino group; R 2 represents a hydrogen atom or a sulfonic acid group; n represents 0 or 1; and M's each independently represent a hydrogen atom, an alkali metal, ammonium, or an organic ammonium: R 4 - -R 5 ··· wherein the compound represented by the general formula comprises a compound represented by the following general formula: in the general formula, M's each independently represent a hydrogen atom, an alkali metal, ammonium, or an organic ammonium.