HIGH-CONCENTRATION WATER DISPERSION OF AGROCHEMICAL OR HIGH-CONCENTRATION OIL DISPERSION OF AGROCHEMICAL

PROBLEM TO BE SOLVED: To provide a high-concentration water dispersion of a parent agrochemical or a high-concentration oil dispersion of the parent agrochemical, obtained by finely graining the parent agrochemical which is an agent to be dispersed, and dispersing the finely grained product in water or oil so as to have good dispersion stability even by using a small amount of an emulsifier; and to provide a method for producing the dispersion. SOLUTION: The high-concentration water dispersion of the agrochemical or the high-concentration oil dispersion of the agrochemical is obtained by emulsifying and dispersing a mixture of the parent agrochemical, the emulsifier, a dispersoid and a dispersion medium by high-speed stirring while reducing the generation of foam. The mixture contains 1-75 mass% parent agrochemical based on the agrochemical dispersion, and a combination of one or more kinds selected from anionic surfactants and one or more kinds selected from nonionic surfactants, or a combination of one or more kinds selected from cationic surfactants and one or more kinds selected from nonionic surfactants, and is obtained by adding an aqueous dispersoid as the dispersoid and an oily dispersion medium as the dispersion medium when the parent agrochemical is water soluble, or by adding an oily dispersoid as the dispersoid and an aqueous dispersion medium as the dispersion medium when the parent agrochemical is oil soluble. COPYRIGHT: (C)2006,JPO&NCIPI