Alpha arbutin

lpha arbutin cas 84380-01-8 Capability : 1500MT/year MP : 203-207 degree Assay: 99% by HPLC Item Specification Results Appearance White crystalline powder White crystalline Assay 99.0%Min 99.90% Melting point 203-206degree 204.6-205.8 Clarity of water solution Transpency, colorless, none suspended matters Pass pH value of 1% aqueous solution 5.0-7.0 6.05 Specific optical ratation D20=+176~184degree +179.5 Arsenic 2 ppm max pass Hydroquinone 10 ppm max pass Heavy metal 10 ppm max pass Loss on drying 0.5% max 0.05% Ignition residue 0.5% max 0.04% Pathogen Bacteria:300cfu/g max Fungus:100cfu/g max 20 20 Conclusion pass ALPHA-ARBUTIN is a pure, water soluble, biosynthetic active ingredient. It is the more effective, faster and safer approach to promoting skin-brightening and an even skin tone on all skin types. ALPHA-ARBUTIN also minimizes liver spots and meets all the requirements of a modern skin-brightening and skin depigmentation product. Recommended concentration: 0.2% when formulated with an exfoliant or penetration enhancer, otherwise up to 2%. Alpha-Arbutin is a biosynthetic active ingredient that is pure, water-soluble and is manufactured in a powder form. As one of the most advanced skin lightening ingredients on the market, it has been shown to work effectively on all skin types. 1kg 25kg.