Arbutin CAS NO.497-76-7

strong supply

Product Name: Arbutin
Chemical Name: hydroquinone-beta-D- glucopyranoside, 4-hydroxyphenyl -beta-D-pyranoside,
CAS No: 497-76-7;    EINECS No: 207-850-3   
Molecular formula: C12H16O7       
Molecular weight: 272.25
Specifications:
Appearance:  White crystalline powder
Assay:  98% Min.
Melting Point: 199-201^oC
PH value: 6.0-6.8
Specific rotation:  [α]²⁰_D =-64.00±1.00
Heavy Metal:  10 ppm max.
As:  2ppm max.
Hydroquinone:  10ppm  max.
Bacteria Count : 300cpu max.
Loss On Drying :  0.50% max.

Packing: 10/25kg fibre drum with aluminum foil bags inside.
Application:  as skin whitening agent; antioxidant.