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Wuhan Yuancheng Technology Devlopment Co.,  Ltd.
Wuhan Yuancheng Technology Devlopment Co., Ltd.
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    Natural Arbutin

    Natural Arbutin

    Quantity Order:
    Origin:
    China

    Specification :

    Natural Arbutin

    CAS#497-76-7
    Packing: 25kg/drum
    Appearance: White needle crystal or powder
    Assay(HPLC): e98%
    (Melting point) 199~201(+-0. 5C)
    Specific rotation: [a]D20=-65. 00+-2. 00
    Clarity of water solution Trasparancy colorless. None suspended matters
    Loss on drying: d0. 5%
    Residue on ignition: d0. 2%
    Heavy metals: d20ppm
    (As)Arsenic: d2ppm
    PH (PH value): 5. 0-7. 0
    Infrared characteristic peak: 1512cm-11219cm-11049cm-1+-(5-7)cm-1
    Hydroquinone: d20 ppm
    Bacteria count d300cpu
    d100cpu



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