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          2. Dafeng Tiansheng Pharmaceutical Co., Ltd.(Dafeng Huashu Pharmaceutical Co., Ltd.)
            Bulk drug
            UV adsorbent
            Light stabiliser
            Photocure TPO
            CAS No.: 75980-60-8
            Chemical name: diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
            Molecular formula: C22H21PO2
            Molecular weight: 348
            Structural formula:
            Technical index:
            appearance light yellow powder
            content(HPLC) 98.0% min
            melting point 87-93℃
            volatile matter 0.2% max
            ash content 0.1%max
            acid value(mg KOH/g) 1.00mg KOH/g max

            OCTASORB TPO is high-efficient ultraviolet light polymerization initiator.

            Packaging: 20kg fiber can or according to customer requirement
            Storage: in seal, in dry and in dark
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