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%
If you have any interest of it, pls visit our web 3w dot pharma-chemical dot com or contact me directly by email of cjw9999 (at) 163 dot com.
