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Cosmetic Raw Materials
Beta arbutin

 

Product Name: Beta arbutin
CAS NO.: 497-76-7
Description:

Items

Specification

Appearance:

White needle crystal or powder.

Color and clarity of Solution:

Clear, colorless without floaters.

pH value(in 1% solution):

5.0-7.0

Specific rotation

-63 to -67

Melting point:

198-202 Celsius degree

Infrared characteristic peak value:

1512cm-1 1219cm-1 1049cm-1 (5-7)cm-1

Loss on drying:

Not more than 0.5%

Residue on Ignition:

Not more than 0.5%

Heavy metals (Pb):

Not more than 10ppm

Arsenic:

Not more than 2ppm

Hydroquinone:

None

Assay (by HPLC):

Not less than 99.5%

Total of bacterium:

Not more than 100CPU

 
 
 
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