A microcapsule enclosing one or more compounds selected from pyrethroid compounds represented by Formula (1) or (2) wherein, Ra represents a hydrogen atom, a fluorine atom, or the like; Rb is a fluorine atom, a chlorine atom, or the like; Rc represents a hydrogen atom, and a methyl group. The volume median diameter of the microcapsule is 2 to 100µm, the thickness of the microcapsule is 0.02 to 0.3 µm, and the microcapsule is substantially free of a hydrophobic organic solvent.
一种微胶囊,内含一种或多种选自拟
除虫菊酯化合物的化合物,这些化合物由式(1)或(2)表示,其中,Ra 代表氢原子、
氟原子或类似物;Rb 代表
氟原子、
氯原子或类似物;Rc 代表氢原子和甲基。微胶囊的体积中值直径为 2 至 100µm,微胶囊的厚度为 0.02 至 0.3 µm,微胶囊基本上不含疏
水性有机溶剂。