P arbutin

P arbutin
 

Product description:

Property

Specification

Character

White fine power or crystals

Assay (HPLC)

97∽102%

Melting point

199∽201 (±0.5) ℃

Specific optical rotation

[a]D20= -62.0°∽-68.0°

Infrared characteristic peak


Solubility

Soluble in water, alcohol

Transparency in water

Transparent colorless no suspended

PH (1% water solution)

5.0∽7.0

Loss on drying

Max. 0.5%

Sulphated ash

Max. 0.1%

Heavy metals

Max. 10PPM

Arsenic

Max. 1PPM

Plumbum

Max. 2PPM