Arbutin

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Purity: 99%

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Packing 25kg/drum, 5kg/drum itemSpecAppearancewhite crystalline powderAssay≥99.5%Melting point(°C)199 ~ 202(±0.5)Clari…

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Packing 25kg/drum, 5kg/drum itemSpecAppearance white crystalline powderAssay≥99.5%Melting point(°C)199 ~ 202(±0.5)Clarity of water solutionTransparency , colorless, none suspended matterspH value of 1%aqueous solution5.0~7.0Heavy metal<10ppmSpecific optical rotation-68~ -64Infrared signature peak 1515cm-1 1220cm-1 1050±(5~8)cm-1Arsenic≤2 ppmLoss on drying≤0.5%Ignition residue≤0.5%Hydroquinone≤10ppmPathogenBacteria count≤300CPUFungus≤100CPU

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