Alpha Arbutin Powder

    Other Name: Alpha-Arbutin,a-Arbutin

    CAS No.: 84380-01-8

    Appearance: White Powder

    Assay: 99.5%

    Solubility: Soluble in water


  • 产品参数

    Other Name: Alpha-Arbutin,a-Arbutin

    CAS No.: 84380-01-8

    Appearance: White Powder

    Assay: 99.5%

    Solubility: Soluble in water


Product Description

Alpha Arbutin Powder is an ingredient extracted from bearberry leaves, which can reduce skin pigmentation, remove dark spots and freckles by inhibiting the activity of tyrosinase in the body, and also has bactericidal and anti-inflammatory effects. It is one of the safest and most effective whitening raw materials , and also the most competitive skin whitening and freckle removing active agent in the 21st century. It has high safety, no irritation and sensitization, and has good compatibility with various components of cosmetics.


It has two optical isomers, namely α and β types, the α type is more stable, the inhibitory effect on tyrosinase activity is about 10 times stronger than that of the β type, and the whitening effect is more than 15 times stronger. It is White Crystal Powder, easily soluble in water, methanol, ethanol, propylene glycol and glycerol aqueous solution, without precipitation after dissolving, insoluble in chloroform, ether, petroleum ether, etc.




Product Specification

Test Items

Test Standard

Appearance

White Crystal Powder

Odor

Characteristic

Assay

≥99.5%

Melting Point

202~206 (±0.5) °C

Specific Rotation

+175°~+185°

PH(1% water solution)

5.0-7.0

Loss on Drying

≤0.5 %

Transparency in water

Transparent colorless no suspended

Hydroquinone

∠10ppm

Heavy Metal

∠10.0mg/kg

Arsenic (As)

∠2.0mg/kg

Total Aerobic Count

≤ 1000cfu/g

E-Coli

Negative

Salmonella

Negative

Staphylococcus Aureus

Negative



Package Method

● The bulk goods is 25 Kg/Drum, inner is double plastic bag.

● The less quantity is 1Kg/Aluminum foil bags,or according to customer requirements.

● Stored in dry and cool place, keep away from strong light and heat.

● 2 years when properly stored.




Alpha Arbutin Powder
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Alpha Arbutin Powder

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