Name: Arbutin
Synonym: Arbutine, p-arbutin, beta-arbutin, ursin
Chemical name: 4-Hydroxyphenyl-beta-D-glucopyranoside
Specification:
Arbutin more than 99.5%.
Hydroquinone less than 10 ppm.
Insoluble particles in water less than 10 pcs per 100 grams arbutin.
Name: Alpha-arbutin
Chemical name: 4-Hydroxyphenyl-alpha-D-glucopyranoside
Molecular weight: 272.26g/mole
Melting point: 203~207±1ºC
Assay: 99%(HPLC