Abstract: An azo pigment or a tautomer thereof represented by the following Formula (1), and having characteristic X-ray diffraction peaks at Bragg angles (2?±0.2°) of 6.5°, 7.1° and 21.8° in the CuK? characteristic X-ray diffraction.

Abstract: There is provided a compound represented by the following Formula (3): wherein in Formula (3), R201, R202 and R203 each independently represent a monovalent substituent, n201 and n202 each independently represent a number of 0 to 4, and n203 represents a number of 0 to 4, when n201, n202 and n203 each represent a number of 2 or more, a plurality of R201's, R202's and R203's may be the same or different, M represents a hydrogen atom or a counter cation, and M's may be the same or different, and a coloring composition containing the compound.

Abstract: There is provided a coloring composition including the compound represented by Formula (1) described in the specification and the compound selected from (A) to (C) described in the specification.

Abstract: There is provided a coloring composition including the compound represented by Formula (1) described in the specification and the compound selected from (A) to (C) described in the specification.

Abstract: There is provided a coloring composition and an ink for inkjet recording which have an excellent ozone fastness and a high print density and is excellent in storage stability over time, and one example of the coloring composition is a coloring composition contains a compound (1A) and a compound (2B):

Abstract: There is provided a compound represented by the following Formula (3): wherein in Formula (3), R201, R202 and R203 each independently represent a monovalent substituent, n201 and n202 each independently represent a number of 0 to 4, and n203 represents a number of 0 to 4, when n201, n202 and n203 each represent a number of 2 or more, a plurality of R201's, R202's and R203's may be the same or different, M represents a hydrogen atom or a counter cation, and M's may be the same or different, and a coloring composition containing the compound.

Abstract: There is provided a compound represented by formula (1): in formula (1), L represents a divalent to tetravalent linking group; D represents a residue obtained by removing 1 to 5 hydrogen atoms from a compound represented by formula (2); m represents an integer of 1 to 10, however, each L may be the same with or different from every other L; n represents an integer of 2 to 10, however, each D may be the same with or different from every other D; and in formula (2), each of R4 to R24 independently represents a hydrogen atom or a substituent, provided that formula (2) has at least one or more ionic hydrophilic groups.

Abstract: An ink composition containing at least two kinds of water-soluble long-wavelength dyes whose absorption spectrum in an aqueous solvent has a maximum wavelength of 550 nm to 700 nm, in which at least one kind of the water-soluble long-wavelength dyes is a first water-soluble long-wavelength dye of an azo compound represented by the following Formula (1), at least one kind of the water-soluble long-wavelength dyes is a second water-soluble long-wavelength dye that is different from the first water-soluble long-wavelength dye, and the second water-soluble long-wavelength dye is a compound having two to four azo groups conjugated with each other per molecule, an ink for inkjet recording using the ink composition, and an inkjet recording method using the ink for inkjet recording using the ink for inkjet recording.

Abstract: A pigment composition containing an azo pigment represented by the following general formula (1) and a pigment derivative having a hydrophilic group: wherein G represents a hydrogen atom, an aliphatic group, an aryl group, a heterocyclic group, an acyl group, an aliphatic oxycarbonyl group, a carbamoyl group, an aliphatic sulfonyl group, or an arylsulfonyl group, R1 represents an amino group, an aliphatic oxy group, an aliphatic group, an aryl group, or a heterocyclic group, R2 represents a substituent, A represents an aromatic 5- or 6-membered heterocyclic group, m represents an integer of from 0 to 5, and n represents an integer of from 1 to 4, with the general formula (1) not containing any ionic hydrophilic group.

Abstract: There is provided a coloring composition and an ink for inkjet recording which have an excellent ozone fastness and a high print density and is excellent in storage stability over time, and one example of the coloring composition is a coloring composition contains a compound (1A) and a compound (2B):

Abstract: An ink composition containing at least three coloring materials of a first coloring material, a second coloring material, and a third coloring material, in which the first coloring material is a compound represented by Formula (Y) as described, the second coloring material is at least one compound selected from Group A consisting of compounds having a specific structure, in which the mass ratio of the content (% by mass) of the second coloring material in the composition to the content (% by mass) of the first coloring material in the composition is 0.001 to 1.0, and the third coloring material is a compound different from the first coloring material as described.

Abstract: There is provided a compound represented by formula (1): in formula (1), L represents a divalent to tetravalent linking group; D represents a residue obtained by removing 1 to 5 hydrogen atoms from a compound represented by formula (2); m represents an integer of 1 to 10, however, each L may be the same with or different from every other L; n represents an integer of 2 to 10, however, each D may be the same with or different from every other D; and in formula (2), each of R4 to R24 independently represents a hydrogen atom or a substituent, provided that formula (2) has at least one or more ionic hydrophilic groups.

Abstract: There is provided a pigment dispersion including an azo pigment or a tautomer thereof represented by the following Formula (1) and having characteristic X-ray diffraction peaks at Bragg angles (2?±0.2°) of 4.8°, 7.2° and 9.7° in a CuK? characteristic X-ray diffraction.

Abstract: An azo pigment or a tautomer thereof represented by the following Formula (1), and having characteristic X-ray diffraction peaks at Bragg angles (2?±0.2°) of 6.5°, 7.1° and 21.8° in the CuK? characteristic X-ray diffraction.

Abstract: A method of producing a metal phthalocyanine compound, which contains: conducting a reaction between at least two compounds selected from among Compounds A to F of formula (I), and a metal compound, in a buffer solution of an organic base or an inorganic base and an acid, in the presence of a dehydrating agent: wherein R is a hydrogen atom or a substituent; 1 is an integer of 0 to 4; a plurality of Rs may be the same or different from each other when 1 is 2 to 4; and G is a group of atoms necessary for forming at least one of a 5- or 6-membered aromatic ring and a 5- or 6-membered hetero ring.

Abstract: An aqueous pigment dispersion containing A and B, wherein A is an azo pigment, an example of which is shown below, and in a crystal form having at least one characteristic peak at Bragg angles (2?) of 5 to 15° and 20 to 30° in X-ray diffraction with characteristic Cu K? line, a tautomer, a salt or hydrate thereof; and B is a vinyl polymer containing a specific structural unit, a structural unit derived from a salt-forming group-containing monomer (a), and a structural unit derived from a monomer selected from a styrene series macromer (b) and a hydrophobic monomer (c), provided that the water-insoluble vinyl polymer has at least either of 2 or more hydroxyl groups and 1 or more carboxyl groups at the end of the main chain:

Abstract: There is a coloring composition containing a compound represented by Formula (1): wherein D, M, N, R1, R2, m and n are defined in the specification and in the claims.

Abstract: An ink composition containing at least two kinds of water-soluble long-wavelength dyes whose absorption spectrum in an aqueous solvent has a maximum wavelength of 550 nm to 700 nm, in which at least one kind of the water-soluble long-wavelength dyes is a first water-soluble long-wavelength dye of an azo compound represented by the following Formula (1), at least one kind of the water-soluble long-wavelength dyes is a second water-soluble long-wavelength dye that is different from the first water-soluble long-wavelength dye, and the second water-soluble long-wavelength dye is a compound having two to four azo groups conjugated with each other per molecule, an ink for inkjet recording using the ink composition, and an inkjet recording method using the ink for inkjet recording using the ink for inkjet recording.

Abstract: There is provided a coloring composition containing: a compound represented by Formula (1) or Formula (4): and a copper compound that is soluble in water: Formula (1) DSO3M)4 or Formula (4) (L)m-(D?)n wherein D, M, L, D?, m and n are defined in the claims and in the specification.

Abstract: There is provided a coloring composition containing at least a first coloring material and at least a second coloring material, in which the first coloring material is a compound represented by the following Formula (Y), the second coloring material is, for example, the following compound 8, and the mass ratio of the content (% by mass) of the second coloring material in the composition to the content (% by mass) of the first coloring material in the composition is 0.001 to 1.0. Formula (Y) In Formula (Y), a plurality of M each independently represent a hydrogen atom or a cation, and when M represents a cation, M represents a Li+ ion, a Na+ ion, a K+ ion or a NH4+ ion.