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

Structural formula:                  

Appearance:       White acicular crystalline powder

Assay:             99% Min.

Melting Point:      199-201^oC

PH value:          6.0-6.8

Specific rotation:   [α]²⁰_D =-64.00±1.00

Infrared peak value: 1515cm^-1 1220cm^-1 1050cm^-1  +/- (5~10) cm^-1

Heavy Metal:       10 ppm max.

As.:                2ppm max.

Hydroquinone:     10ppm  max.

Bacteria Count :    300cpu max.

Loss On Drying :   0.50% max.

Packing:           In 25kg cardboard drum lining with aluminized plastic bag.