A granular composition comprising an organic compound having a melting point of 30 to 100° C., and a compound represented by the formula (1): wherein R1 and R2 independently represent a hydrogen atom, a C1-8 alkyl group, or a C5-8 cycloalkyl group, R3 represents a hydrogen atom or a C1-8 alkyl group, and X represents a single bond, a sulfur atom, an oxygen atom, a C1-8 alkylidene group or a C5-8 cycloalkylidene group.