Benzopyran compound and use of the same.

摘要

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