Sell Arbutin(4-hydroquinone-D-glucopyranoside)

no image You May Also Be Interested In: arbutin hydroquinone
CAS No: 497-76-7
Packing: 1kg, 10 bags (aluminum/plastic) per carton;

Quality standard: The quality reaches Q/320282PAD001-2003

Usage: Place one part of arbutin in 2-3 parts of deionized water. Heat to 55-60 while stirring, keep for 10 minutes until the solution is clear. Pour the resulting solution into cosmetic preparation before emulsification, mix thoroughly.

Appearance: White needle crystal or powder
Assay(HPLC) : >=98%
Melting point: 199~20110.50
Specific rotation: [a]D20=-65.0012.00
Clarity of water solution Trasparancy colorless.
none suspended matters
Loss on drying: <=0.5%
Residue on ignition: <=0.2%
Heavy metals: <=20ppm
Arsenic: <=2ppm
PH value: 5.0-7.0
Infrared characteristic peak 1512cm-11219cm-11049cm-11(5-7) cm-1
Hydroquinone: <=20 ppm
Bacteria count <=300cpu
Minimum Order Quantity