Customization: | Available |
---|---|
CAS No.: | 84380-01-8 |
Formula: | C12h16o7 |
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Details
INCI (CTFA) Name: Alpha-Arbutin
Application: Skin Whitening and Freckles Minimizing
Solubility: Soluble in cold water (151g/l at 20ºC), and can be easily incorporated into cosmetic formulation either warm (<70ºC) or cold. ALPHA-ARBUTIN is compatible with UV filters and ethanol at concentrations up to 50%.
Stability: Stable in the pH-range of 4-6.5.
Chemical Formula: C12H16O7
Molecular Weight: 272.251
CAS No.: 84380-01-8
Molecular Structure:
Package: 20kg/Carton
Recommended Dosage:
Safety dosage for cosmetics: ≤5%;
Recommended dosage: 0.2%~7%
Storage and Shelf Life:
Storage: should be stored in the original sealed containers from light and humidity in a clean place at a temperature between 5~25oC. Containers should be handled with special care following opening.
Shelf life: 2 years.
Quality Standard:
Item |
Specification |
Appearance |
White crystalline powder |
Assay |
≥ 99.95% |
Hydroquinone ppm |
Negative |
Melting point |
202~207 ºC |
Clarity of water solution |
Transparent, colorless, none suspended matters |
pH value of 1% aqueous solution |
5.0~7.0 |
Specific rotation |
α20D=+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% |