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Physical and Chemical Properties
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Physical State
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White powder, odorless
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Melting Point
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199-201°C
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Boiling Point
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Decomposes
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Solubility in Water
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Soluble
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PH
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6.0-7.0 (1% Sol)
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Stability
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Stable under ordinary conditions
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Applications
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Arbutin, a glycosylated hydroquinone, acts as
an antiseptic agent or antibacterial agent on the urinary mucous
membranes while converting into hydroquinone in the kidney.
It is also used as a depigmenting agent (skin whitening agent) as it
inhibits melanin synthesis by inhibition of tyrosinase activity.
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Sales Specification
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Appearance:
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White needle crystal or powder
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Assay:
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99.5% Min
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Melting point:
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199-201°C
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Clarity of water solution:
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Transparency colorless, none suspended
matters
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PH Value:
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5.0-7.0
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Specific optical rotation:
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-67.00 ~ -63.00
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Heavy metal as Pb:
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20 PPM Max
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Infrared peak value:
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1512cmˉ ¹ 1219 cm ˉ ¹ 1049 cm ˉ ¹ ±
(5-7) cm ˉ ¹
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Arsenic:
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2 PPM Max
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Hydroquinone:
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20 PPM Max
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Loss of drying:
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0.5% Max
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Pathogen:
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Bacteria 300 CPU Max
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Fungus 100 CPU Max
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Packing
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In 1 KG aluminum bag; 25 bags/ cardboard
drum
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