beta arbutin CAS 497-76-7

Appearance: White needle crystal or powder

Melting Point: 199.5-201.5

Clarity of water solution Transparency colorless, none

suspended matters Complies

PH Value of 1% Aqueous Solution : 6.30

Specific Optical Rotation:  -65.1

Heavy Metals 10PPM  max    5PPM

Infrared peak value requires Complies

Arsenic :2PPMmax   

Loss on Drying : 0.16%

Residue on Ignition :0.35%

Bacteria count Bacteria:  101

Fungus : max 29

Assay(HPLC):  99.95%  

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