Name: Arbutin
Synonym: Beta-arbutin; Arbutosie; Arbutine; Ursin; Uresol
Chemical name: Hydroquinone-β -D-glucopyranoside; 4-hydroxyphenyl-beta-D-glucopyranoside
CTFA name: Arbutus extract
Appearance: Arbutin is white powder or needle crystal.
Infrared signature peak: 1515cm-1 1220cm-1 1050± (5~8)cm-1
Melting point/Melting range: 196~200° C.
Boiling point/Boiling range: Not available.
pH (1% soln/water): 5.0 ~ 7.0
Flash point: Not available.
Decomposition temperature: Not available.
Density: Not available.
Solubility: Arbutin is soluble in water, methanol or alcohol.
Arbutin is partially soluble in cold water.
Arbutin is insoluble in aether, chloroform or benzene.