| Message: | Alpha-Arbutin 99.5%CAS No.: 84380-01-9ItemSpecificationsAppearanceWhite or off-white powderpH Value5.0-7.0Melting point202℃-210℃Specific optical rotation[α]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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