| abstract |
A toner for electrostatic charge development is provided where the toner comprises a colorant and a resin and contains an organic boron compound represented by a following chemical formula (A) as a charge controlling agent, further the toner is treated with an inorganic fine particle and at least one of the inorganic particles is a magnesium silicate compound represented by a following general formula [2] is provided. n n n n n n n n n n n n wherein X is an alkali metal, R 1 , R 2 , R 3 or R 4 each represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a halogen atom.n nMg x Si y O (x+2y) [2]n n wherein x and y are integers. |