Magenta toner
Provided is a magenta toner, which is excellent in image density, has an enhanced chargeability, and can be produced at a low cost. The magenta toner comprising a binder resin and a magenta colorant, wherein a compound A represented by the general formula (1) and a compound B represented by the general formula (2) are contained as the magenta colorant, and wherein a total content of the compound A and the compound B is from 3 to 30 parts by mass with respect to 100 parts by mass of the binder resin, and a mass ratio of the content of the compound A to the content of the compound B (compound A/compound B) is from 0.8 to 20.
1. A magenta toner comprising a binder resin and a magenta colorant,
wherein the magenta colorant consists of a compound A which is a pigment represented by the following general formula (1) and a compound B which is a dye represented by the following general formula (2), and
wherein a total content of the compound A and the compound B is from 3 to 30 parts by mass with respect to 100 parts by mass of the binder resin, and a mass ratio of the content of the compound A to the content of the compound B (compound A/compound B) is from 0.8 to 20:
where R 1 is a hydrogen atom, an alkyl group or an alkoxy group;
R 2 is a hydrogen atom, a halogen atom or an alkoxy group;
R 3 is a hydrogen atom, a halogen atom, an alkoxy group or a nitro group;
R 4 is a hydrogen atom, a halogen atom or an alkoxy group;
R 5 is a hydrogen atom, a halogen atom or a primary amide group (—CONH 2 ); and
R 6 is a hydrogen atom, a halogen atom, a phenylaminocarbonyl group (—CONHC 6 H 5 ), a primary amide group (—CONH 2 ), —CONHC 6 H 4 —(p)CONH 2 or —SO 2 (C 2 H 5 ) 2 ,
where R 7 and R 10 are each independently an amino group or a hydroxyl group; and
R 8 and R 9 are each independently a hydrogen atom, a halogen atom or a phenoxy group (—OC 6 H 5 ) which may be substituted or not substituted.
2. The magenta toner according to claim 1 , wherein the compound A is a compound represented by the General Formula (1) in which:
R 1 is a methyl group or an alkoxy group;
R 2 is a hydrogen atom or a halogen atom;
R 3 is a halogen atom or an alkoxy group;
R 4 is an alkoxy group;
R 5 is a hydrogen atom; and
R 6 is a phenylaminocarbonyl group (—CONHC 6 H 5 ).
3. The magenta toner according to claim 1 , wherein the compound A is C.I. Pigment Red 146 or C.I. Pigment Red 147, and the compound B is C.I. Solvent Violet 59.
4. The magenta toner according to claim 1 , wherein an absolute value of a blow-off charge amount measured by a blow-off charge amount measuring device is in a range of from 25 μC/g to 90 μC/g.