English Name：Arbutin, Arbutosie, Ursin, Uresol etc.
Synonyms：4-Hydroxyphenyl-beta-D-glucopyranoside; p-Arbutin
Molecular Formula： C12H16O7
Molecular Weight： 272.25
CAS No.： 497-76-7
Molecular Structure： 
Appearance：white needle crystal or power.
Assay：99%
Melting point：198-201°C
pH：5.0-7.0（1% in water）
Heavy metal：<10ppm
Arsenic：<2 ppm
Loss on drying：<0.5%
Pathogen：  Bacteria count<300CPU    Fungus<100CPU
Package： 1kg/bags