Provided is a toner having high coloring power and being excellent in light fastness. Specifically, provided is a yellow toner, including at least: a binder resin; a wax; and a colorant, in which the colorant contains a compound represented by the general formula (1). ##STR00001##

Printed matter is provided which includes a recording medium, a colored layer overlying the recording medium, and an infrared-absorbing-pigment-containing layer overlying the recording medium and underlying the colored layer. The colored layer contains a colorant. The infrared-absorbing-pigment-containing layer contains an infrared absorbing pigment having an average diameter of from 120 to 250 nm in the infrared-absorbing-pigment-containing layer.

An electrostatic image developing toner includes an amorphous polyester resin, a crystalline polyester resin, and C.I. Pigment Red 57:1, wherein a Net intensity N.sub.Mg of an Mg element, the Net intensity N.sub.Mg of being determined by X-ray fluorescence analysis, is 0.10 kcps or more and 0.40 kcps or less.

Provided is a compound that is fluidized by light irradiation and reversibly non-fluidized, and is not significantly colored. Provided is a photoresponsive compound represented by the following general formula (1), the photoresponsive compound being fluidized by light irradiation and reversibly non-fluidized:
R.sub.1—Z.sub.1═Z.sub.2—R.sub.2  General formula (1) wherein Z.sub.1 and Z.sub.2 are N or CH, while Z.sub.1≠Z.sub.2, R.sub.1 contains an aromatic hydrocarbon structure, R.sub.2 contains an aromatic heterocyclic structure, and a hydrogen atom is bonded to at least one carbon atom bonded adjacent to a carbon atom in the aromatic heterocyclic structure bonded to the Z.sub.2.

The magenta toner is excellent in image density, has an enhanced chargeability, and can be produced at a low cost. The magenta toner includes a binder resin and a magenta colorant. A compound A represented by the following general formula (1) and C.I. Solvent Violet 59 are contained as the magenta colorant. ##STR00001##

Printed matter is provided which includes a recording medium, a colored layer overlying the recording medium, and an infrared-absorbing-pigment-containing layer overlying the recording medium and underlying the colored layer. The colored layer contains a colorant. The infrared-absorbing-pigment-containing layer contains an infrared absorbing pigment having an average diameter of from 120 to 250 nm in the infrared-absorbing-pigment-containing layer.

The purpose of the present invention is to provide a pigment composition having outstanding dispersion characteristics, weather resistance, and heat resistance, has favorable storage stability, minimizes fading over time in a basic atmosphere, and contains isoindoline compounds.

The pigment composition contains the isoindoline compound represented by formula (1) below and the isoindoline compound represented by formula (2) below.

##STR00001## [in the formula, R.sub.1 to R.sub.4 represent hydrogen atoms, R.sub.5 and R.sub.6 each independently represent alkyl groups, and A and A′ represent a group represented by formula (3) below, formula (4) below, or formula (5) below,

##STR00002## In the formula, X represents —O— or —NH—, R.sub.7 represents an alkyl group or an aryl group, and R.sub.8 to R.sub.14 each independently represent hydrogen atoms, halogen atoms, alkyl groups, alkoxy groups, aryl groups, aryloxy groups, thioalkyl groups, or thioaryl groups.]

An electrostatic charge image developing toner contains toner particles that contain an organic colorant and a binder resin, in which the organic colorant includes a non-fluorescent organic pigment and a fluorescent organic pigment, a total content of the organic colorant is 5% by mass or more and 20% by mass or less with respect to a total mass of the toner particles, and a specific gravity D1 of the non-fluorescent organic pigment and a specific gravity D2 of the fluorescent organic pigment satisfy both of Formulas (1) and (2).

D1≥2.0  Formula (1)

D1−D2≥0.6  Formula (2).

An electrostatic charge image developing green toner contains green toner particles containing a binder resin, an azomethine fluorescent pigment having an emission peak in a wavelength region of 500 nm or more and 550 nm or less in an emission spectrum, and a non-fluorescent pigment having a reflection peak in a wavelength region of 480 nm or more and 540 nm or less in a reflection spectrum, in which a mass-based ratio M2/M1 of a content M2 of the non-fluorescent pigment to a content M1 of the azomethine fluorescent pigment is 0.05 or more and 1.5 or less, and a total content of the azomethine fluorescent pigment and the non-fluorescent pigment with respect to a total amount of the green toner particles is 5% by mass or more and 15% by mass or less.

A toner for electrostatic image development includes toner particles containing a binder resin including an amorphous resin and a crystalline resin, a dye, and a release agent. The percentage of the crystalline resin on the surface of the toner particles as measured by X-ray photoelectron spectroscopy is 15% or less.