INCI name: Alpha-Arbutin
Application products: whitening, freckle removal products
Product properties: white crystalline powder
Solubility: Soluble in water, 151g/L (20℃). It is easy to blend with other ingredients in the formula in warm (<70℃) or cold state.
Molecular formula: C12H16O7
Molecular weight: 272.251
CAS number: 84380-01-8
Molecular structure:

Recommended dosage:
Safe dosage for cosmetics ≤5%;
Recommended dosage is 0.2%~7%;
Over-the-counter OTC and external preparations for burns and scalds ≤10%.
Storage and shelf life:
Store in a sealed container, shaded, and in a cool and dry place. The temperature should be controlled between 5~25℃.
Under strict compliance with storage requirements, the shelf life is 2 years.
Quality Standards:
| project | index |
| content |
≥ 99.95% |
| Appearance | White crystalline powder |
| Melting point |
202~207°C |
| Specific rotation |
【α】20D=+174.0°~+186.0º |
| Solubility | Soluble in water, slightly soluble in ethanol |
| Aqueous solution transparency | Colorless and transparent, no suspended matter |
|
Hydroquinone ppm |
Not detected |
|
pH (1%Aqueous solution) |
5.0-7.0 |
|
Heavy metal |
≤ 10 ppm |
| arsenic |
≤ 2 ppm |
| Infrared characteristic peak |
1514cm-11229cm-11215cm-11059cm-11034cm-1 |
| Loss on drying |
≤ 0.5% |
| Ignition residue |
≤ 0.5% |