Property: Diisobutyl phthalate is a colorless to pale yellow liquid with an aromatic odor. It has a low density and is insoluble in water, but soluble in organic solvents such as ethanol and ether.

Usage: Diisobutyl phthalate is widely used in industries such as plastics, inks, and adhesives. As a plastic additive, it can increase the flexibility, cold resistance, and weather resistance of polymers. As an ink solvent, it can improve the viscosity and fluidity of ink.