China Skin Whitening Ingredient Arbutin Bulk CAS No: 84380-01-8

Alpha-Arbutin, similar to Arbutin, inhibits the production and deposition of melanin. It inhibits the activity of tyrosinase at very low concentrations. It inhibits tyrosinase better than Arbutin, rapidly whitening and brightening the skin. It effectively diminishes spots, protects skin and reduces skin damage caused by UV rays. The dosage is small, the cost is reduced, and the safety and stability are high. Good compatibility, not affected by temperature, light, etc. in the formulation.

Product name: Alpha-Arbutin

Chemical name: 4-Hydroquinone-alpha-D-glucopyranoside

Molecular formula: C 12 H 16 O 7

Molecular weight: 272.25

CAS: 84380-01-8

TEST ITEMSPECIFICATIONRESULTSAppearanceWhite or almost white powderAlmost white powderMelting Point202~210ºC203~204ºCpH5.0~7.06.5Specific Optical Rotation+175~+185°178.21°State of solution≥95.0%99.5Loss on drying≤1.0%0.3%Hydroquinote≤10ppmConformsHeavy metals≤10ppmConformsArsenic≤2ppmConformsResidue on Ignition≤0.5%0.07%Assay≥99.0%99.5%Total Plate Count≤1000cfu/g30cfu/gTotal yeast Count≤100cfu/g0E.ColiNot DetectedNot DetectedStaphylococcus AureusNot DetectedNot DetectedPseudonmonas AeruginosaNot DetectedNot DetectedConclusionThe test results conform with enterprise standard.