STABLE CRYSTAL FORM OF 2-ETHYL-3, 7-DIMETHYL-6-(4-(TRIFLUOROMETHOXY) PHENOXY)QUINOLINE-4-YLMETHYL CARBONATE, METHOD OF MANUFACTURING SAME AND AGRICULTURAL CHEMICAL COMPOSITION CONTAINING CRYSTALS OF SAME

摘要

An objective of the present invention is to provide a crystal of 2-ethyl-3,7-dimethyl-6-(4-(trifluoromethoxy)phenoxy)quinoline-4-yl methyl carbonate having stable physicochemical properties. The objective is attained by a crystal of 2-ethyl-3,7-dimethyl-6-(4-(trifluoromethoxy)phenoxy)quinoline-4-yl methyl carbonate that exhibits a diffraction peak pattern shown in Fig. 1 as determined by powder X-ray diffractometry.