Hangzhou Lianzheng Chemical Co.,Ltd.

Alpha-Arbutin?99.5%CAS No.: 84380-01-9ItemSpecificationsAppearanceWhite or off-white powderpH Value5.0-7.0Melting point202?-210?Specific optical rotation[?]D20+174??+186?Loss on drying?1.0%State of solution (Transmittance)?95.0%Hydroquinone?10ppmHeavy metals?10ppmArsenic?2ppmResidue on ignition?0.5%Assay?99.5%Total plate count??1000 cfu/gTotal yeast and mould count?100 cfu/gE.ColiNot detectableStaphylococcus aureusNot detectablePseudomonas aeruginosaNot detectableRecommended Usage Rate:?0.2 - 2%? Appearance:?White crystalline powder? Solubility:?Soluble in warm or cold water? Storage:?Protected from light and humidity in a clean place at room temperature. Once open,Website:http://www.hzlzchems.com, handle with care to avoid secondary microbial contamination.? Country of Origin:?China? Shelf Life:?2 yearsThis product should be added to a formulation at the recommended usage rate.Shipping Information:?HS Code: 29389090.90Packing?25kg /drum, or 20kgs/ carton inside with 1kg/bagThis product is a cosmetic product intended for use on the skin only.?

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