Arbutin

Details:

Identification of product：           

Name: Arbutin

Synonym: Beta-arbutin; Arbutosie; arbutine; Ursin; Uresol

Chemical name: Hydroquinone-β-D-glucopyranoside; 4-hydroxyphenyl-beta-D-glucopyranoside

CTFA name: Arbutus extract

CAS#: 497-76-7

EINECS number: 207-850-3

REACH reference number: 05-2114278657-32-0000

Chemical formula: C₁₂H₁₆O₇

Physical and chemical properties：

Appearance:                             white powder or needle crystal.  

Infrared signature peak:           1515cm-1   1220cm-1   1050±(5~8)cm-1  

Melting point/Melting range:   196~200℃.  

Boiling point/Boiling range:       Not available.  

pH (1% soln/water):                  5.0 ~ 7.0  

Flash point:                              Not available.  

Decomposition temperature:    Not available.  

Density:                                    Not available.  

Solubility: Arbutin is soluble in water, methanol or alcohol. Arbutin is partially soluble in cold water. Arbutin is insoluble in aether, chloroform or benzene.

Usage:

• Arbutin is used as skin lightening agents in the cosmetics, especially in advanced cosmetics which have function of lightening skin, sunscreen and dispelling freckle.  

• Reference addition of arbutin: 2.0~7.0%   

• Arbutin break down easily in the acidic environment, so the pH value of cosmetic system should be at more than 6.0  

• The use of arbutin will be dissolved in the water under 50 ℃.  

•Cosmetic system containing arbutin should be added to the amount of antioxidants.

Specification:    

Arbutin more than 99.5%.  

Hydroquinone less than 10 ppm.  

Insoluble particles in water less than 10 pcs per 100 grams arbutin.

Package:

1 kilogram arbutin per bag, aluminum foil bag and PE bag lining.  

Storage:

Notes: Arbutin must be stored away from oxidizing agents. Arbutin should be shielded from light.  

Storage conditions: Keep container tightly sealed. Arbutin should be stored in cool,dry conditions in well sealed containers.