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

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                    Ultraviolet absorbent UV-0
                    Synonyms Ultraviolet absorbent UV-0
                    CAS NO 131-56-6
                    Structural formula
                    Molecular weight 214.22
                    Molecular Formula C13H10O3
                    Indicators

                    Appearance :white or light yellow crystal powder
                    Melting point :142.0-146.0 ℃
                    Loss on drying : ≤ 0.1%
                    Content : ≥ 99.0%
                    PH value : 6
                    Chroma : ≤ 3.0
                    Heavy metal : ≤ 5ppm
                    Specific absorptivity(290nm) : ≥ 630
                    Ash : ≤ 0.5%
                    Nontoxicity: no thrill for skin.
                    Packing :paper drum 25kg/ drum
                    Storage: airproof and avoid light
                    Use :mainly used as light stabilizing agent for plastic, and can protect organic glass and fabric. It is still used as intermediates of synthesizing other ultraviolet absorbents.
                    Valid period :2 years

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