Synonyms:2-(4,6-Diphenyl-1,3,5-triazin-2-yl)-5-[(hexyl)oxy]-phenol; Molecular Formula:C27H27N3O2 Molecular Weight:425.52g/mol CAS Number:147315-50-2 Specification Appearance: Yellowish, coarse granules Assay:98.5% min Melting Point/range:148.0-150.0ºC Volatiles:0.1% max Color of solution at 450nm→87.0%min;500nm→97.0%min Application The use of UV 1577 is indicated in polymer blends & alloys, such as PC/ABS. PA/PBT, PPE/IPS, PPE/PA and copolymers as well as in reinforced, filled and / or flame retarded compounds, which can be transparent, translucent and / or pigmented. UV 1577 represents a new class of UV absorber exhibiting very low volatility and good compatibility with a variety of polymers, co –additives and resin compositions.