A magenta toner for electrophotography includes a binder resin and a colorant,
wherein the toner contains at least a naphthol pigment having a structure represented
by the following general formula (1) as the colorant, and has a shape factor SF1
of 110 to 140 obtained by the equation below and a volume average particle size
of 2 to 9 m:
##STR1##
wherein R represents the following group,
##STR2##
and R represents a hydrogen atom, an alkyl group or a methoxy group;
wherein R represents the maximum length of the toner and A represents the
projected area of the toner.
