Mainly produces a series of intermediate products based on naphthalene and benzene

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                            Ultraviolet absorbent UV-9
                            Synonyms Ultraviolet absorbent UV-9
                            CAS NO 131-56-6
                            Structural formula
                            Molecular weight 228.24
                            Molecular Formula C14H12O3
                            Indicators

                            Appearance:white or light green crystal powder
                            Melting point: 62.0-65.0 ℃
                            Loss on drying: ≤ 0.2%
                            Content: ≥ 99.0%
                            Heavy metal: ≤ 5ppm
                            Ignition residue: <0.1%
                            Mucedine: <100CFU
                            Total number of bacterium: <300CFU, no checking salmonella and colibacillus
                            Specific absorptivity(288nm): ≥ 630
                            Nontoxicity: no thrill for skin.
                            Packing:paper drum 25kg/ drum
                            Storage: airproof and avoid light
                            Use:it is wide ultraviolet absorbent. It has many features including notoriety, heat stability and others. It has protection function for PVC and unsaturated polyester
                            Valid period:2 years

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                            Add:Room 401-418, Building 18, Changjiang Plastics Chemical Market, 600 Tongjiang Middle Road, Xinbei District, Changzhou City
                            E-mail:xinyan_gu@changyuchem.com

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