shaokang2002 Posted August 29, 2011 Report Share Posted August 29, 2011 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 Quote Link to comment Share on other sites More sharing options...
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