Provided are: a compound that thickens or gelatinizes a fluid organic substance to a desired viscosity, or uniformly stabilizes a composition containing the fluid organic substance； a thickening/stabilizing agent including the compound； a thickened/stabilized composition including the thickening/stabilizing agent and a fluid organic substance； and a method for producing a thickened/stabilized composition. The compound according to the present invention is represented by Formula (1): €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ(R 2 -HNOC) 4-n -R 1 -(CONH-R 3 ) n €ƒ€ƒ€ƒ€ƒ€ƒ(1) where R 1 is a group resulting from removing four hydrogen atoms from the structural formula of benzene； R 2 and R 3 are different from each other and are each independently an aliphatic hydrocarbon group having 6 or more carbon atoms； and n represents an integer of 1 to 3.
