Provided is an electrostatic charge image developing toner including toner base particles containing a binder resin an a mold release agent, wherein a molecular weight corresponding to a main peak top of a molecular weight distribution curve of constituent components of the electrostatic charge image developing toner obtained by gel permeation chromatography is 15,000 or more; and in comparison of an area ratio of each peak in the molecular weight distribution curve, the binder resin contains an amorphous material of a low molecular weight component having a weight average molecular weight of 300 or more and less than 1000 in the area ratio of 10 to 20% with respect to the total amount of the binder resin.

External additive particles including a polymer containing a sulfur atom and a nitrogen atom, wherein the polymer includes a vinyl polymer moiety and a siloxane moiety, relative to a total number of carbon atoms, oxygen atoms, and silicon atoms constituting the external additive particles, a ratio of a number of the silicon atoms constituting the external additive particles is 4.0% or more and 25.0% or less, and in surfaces of the external additive particles analyzed by X-ray photoelectron spectroscopy, relative to a total number of carbon atoms, nitrogen atoms, oxygen atoms, silicon atoms, and sulfur atoms, a ratio of a number of the nitrogen atoms is 0.40% or more and 2.50% or less, and a ratio of a number of the sulfur atoms is 0.05% or more and 0.25% or less.

A toner comprising a toner particle comprising a binder resin, a hydrocarbon wax A, and an ester wax B, wherein assuming that a ratio of a peak intensity attributed to the hydrocarbon wax A to a peak intensity attributed to the binder resin in heating IR measurement in which the toner is held at 100 C. for 10 min is I, where an initial peak intensity ratio upon heating to 100 C. is denoted by I(ini) and a peak intensity ratio upon heating to 100 C. and holding for 10 min is denoted by I(10 min), the I(ini) and the I(10 min) satisfy a following formula (1):
I(ini)/I(10 min)0.95(1).

There is used a toner accommodating container including: a bag-shaped accommodating portion having flexibility; and a toner accommodated in the accommodating portion, and including a silica particle. The toner has a value of Total Energy of 300 mJ or less in measurement of the Total Energy when a propeller type blade is caused to penetrate a surface of a powder layer of the toner manufacturing by applying a vertical load of 88 kPa in a measurement container in a powder flowability measurement device while the propeller type blade is being rotated at a peripheral speed of 100 mm/see of an outermost edge portion thereof.

A toner including a toner particle containing a binder resin containing an amorphous polyester A and a crystalline polyester C, and a wax, and a silica fine particle, wherein the content of the crystalline polyester C is within a specific range, the softening point of the amorphous polyester A satisfies a specific relationship, and in an X-ray diffraction spectrum under a specific temperature condition for the toner, there is a peak corresponding to the crystalline polyester C, a wax index A.sub.W1 and a crystalline polyester index A.sub.C1 of the toner satisfy a specific relationship, the silica fine particle contains a silica fine particle A having a maximum diameter of primary particle in a specific range, and the average coverages of the surface of the toner before and after the toner is treated with hexane with the silica fine particle A satisfy a specific relationship.

A toner includes: a crystalline polyester resin; and a partially hydrogenated petroleum resin. A hydrogenation rate of the partially hydrogenated petroleum resin is from 30% through 70%. An amount of the partially hydrogenated petroleum resin relative to the toner is from 1% by mass through 15% by mass.

An emulsion aggregation toner including a toner particle comprising at least one resin; an optional colorant; an optional wax; and a charge control agent disposed on a surface of the toner particle; the charge control agent comprising a complex formed from a metal ion donor and at least one of a ligand selected from a member of the group consisting of a polyaromatic acid comprising humic acid, a pyranone based ligand, a furanone based ligand, or a combination thereof.

A non-magnetic one-component developing toner comprises toner particles each including a toner core particle containing binder resin and a shell layer coating the toner core particle, and the toner particle contains no magnetic powder. The shell layer is formed using spherical resin particulates containing charge controlling resin. The toner particles have an average particle size of 6 m or more and 8 m or less, and when a surface of the toner particle is observed using a scanning electron microscope, a structure derived from the spherical resin particulates is not observed in the shell layer, and the outer surface of the shell layer is smoothed. When a cross section of the toner particle is observed using a transmission electron microscope, a crack derived from an interface between the resin particulates is observed inside the shell layer, in a direction substantially perpendicular to a surface of the toner core particle.

An electrostatic charge image developing toner has toner particles that contain a binder resin, a release agent, and resin particles, in which a loss coefficient tan (1%) of the resin particles at a melting temperature Tw of the release agent and a strain of 1% and a loss coefficient tan (100%) of the resin particles at the melting temperature Tw of the release agent and a strain of 100% satisfy the following Expression (1) and the following Expression (2):
0.02tan (1%)0.5;Expression (1):
0.4tan (100%)tan (1%)2.0Expression (2).

A toner comprising a toner particle comprising a binder resin, a nonmagnetic inorganic oxide particle A, and a magnetic iron oxide particle B, wherein a softening point of a chloroform-soluble component of the toner particle is not greater than 90 C.; the nonmagnetic inorganic oxide particle A and the magnetic iron oxide particle B are internally added to the toner particle; the nonmagnetic inorganic oxide particle A comprises as its main component at least one element selected from the group consisting of Si, Mg, Al, Ti, and Sr; a proportion of the inorganic oxide particles having a long diameter of specific length is in specific range; and a value of a ratio of a number-average particle diameter of the long diameter for the nonmagnetic inorganic oxide particle A, to a number-average particle diameter of the long diameter for the magnetic iron oxide particle B, is 5 to 30.