Benzopyran compound and use of the same

摘要

A 2H-1-benzopyran-2-on compound represented by the formula (1): <IMAGE> (1) and a colorless ultraviolet absorber consisting of the compound, and a thermoplastic resin composition and formed article comprising said ultraviolet absorber. The compound can provide a thermoplastic resin composition and a formed article of the composition having excellent heat stability and sublimation resistance, comprise a non-coloring ultraviolet absorber, and are excellent in ultraviolet barrier property.