α-arbutin,cas 84380-01-8

Category:

Quality Standard:

Item Specification
Appearance White crystalline powder
Assay ≥ 99.95%
Hydroquinone ppm Negative
Melting point 202~207 ℃
Clarity of water solution Transparent, colorless, none suspended matters
pH value of 1% aqueous solution 5.0~7.0
Specific rotation 【α】20D=+174.0°~+186.0º
Infra-red peak value 1514cm-1 1229cm-1 1215cm-1 1059cm-1 1034cm-1
Solubility Soluble in water,

slightly soluble in ethanol

Arsenic ≤ 2 ppm
Heavy metal ≤ 10 ppm
Loss on drying ≤ 0.5%
Residue on ignition ≤ 0.5%

Application: Skin Whitening and Freckles Minimizing
Solubility: Soluble in cold water (151g/l at 20℃), and can be easily incorporated into cosmetic formulation either warm (<70℃) or cold. ALPHA-ARBUTIN is compatible with UV filters and ethanol at concentrations up to 50%.

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