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Alpha-Arbutin, similar to Arbutin, inhibits the production and deposition of melanin. It inhibits the activity of tyrosinase at very low concentrations. It inhibits tyrosinase better than Arbutin, rapidly whitening and brightening the skin. It effectively diminishes spots, protects skin and reduces skin damage caused by UV rays. The dosage is small, the cost is reduced, and the safety and stability are high. Good compatibility, not affected by temperature, light, etc. in the formulation.

Product name: Alpha-Arbutin

Chemical name: 4-Hydroquinone-alpha-D-glucopyranoside

Molecular formula: C 12 H 16 O 7

Molecular weight: 272.25

CAS: 84380-01-8

Molecular Structure:

Quality Index




White needle-like crystal

Content (HPLC):


Hydroquinone limit

not detected

Melting point (°C):

203 ~ 206 (± 1) ° C

pH value:

5.0 to 7.0 (1% aqueous solution)

Aqueous solution transparency:

Transparent and colorless

Specific rotation:


Loss on drying :


Arsenic Content:

<2 ppm

Heavy metal:


Number of bacteria:

General bacteria <100CPU fungus <50CPU


Packing : Aluminum foil bag, vacuum-packing lined with plastic bag. 1kg/bag, 25kg/barrel. Stored in a cool, dry place.

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