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

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                    Ultraviolet absorbent V-531
                    Synonyms Ultraviolet absorbent UV-531, Benzophenone-12
                    CAS NO 1843-05-6
                    Structural formula
                    Molecular weight 326.43
                    Molecular Formula C21H26O3

                    Appearance:light yellow crystal powder
                    Melting point: 47.0-49.0℃
                    Content: ≥99.0%
                    Ash: <0.1%
                    Light transmittance:  (450nm):>90%
                    (500nm): >95%
                    Packing: paper drum 25kg/drum
                    Storage: airproof and avoid light
                    Use: It is excellent high-effective anti-aging assistance. It is widely used in PE, PVC, PP, PS, PC, organic glass and others.
                    Valid period: 2 years

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