What is Alpha-Arbutin? α-Arbutin is a glycosylated hydroquinone and an anomer of naturally occurring arbutin. It is a potent inhibitor of tyrosinase, a vital enzyme involved in epidermal melanin biosynthesis. α-Arbutin finds extensive application as a powerful skin-lightening agent in cosmetic industries. Specification Test items Detection Indicator Test data Appearance White crystals or crystalline powder White crystals powder Loss on drying <0.5% 0.1% pH 5.0~ 7.0 6.50 Residue on ignition <0.5% 0.03% Specific rotation 174.0°~ 186.0° 179.40° Melting point 202.0 °C ~ 212.0 °C 204.5 °C~ 205.5°C Transmittance ≥95.0% 98.4% As ≤2ppm <2 ppm Pb ≤10 ppm <10 ppm Assay ≥99.5% 100.0% Hydroquinone Negative Negative Application α-Arbutin may be used as an analytical reference standard for the determination of the analyte in cosmetics by high-performance liquid chromatography with UV detection (HPLC-UV) method. Package 25kgs/drum, 9tons/20’containerPacking Related Keywords AlphaArbutinPowder; 4-hydroquinone-alpha-d-glucopyranoside; alpha-arbutin; a-Arbutin; HydroquinoneO-α-D-Glucopyranoside; 4-Hydroxyphenyla-D-glucopyranoside; (2R,3S,4S,5R,6S)-2-(HYDROXYMETHYL)-6-(4-HYDROXYPHENOXY)TETRAHYDROPYRAN-3,4,5-TRIOL; 4-hydroxyphenylalpha-D-glucopyranoside
