β-arbutin Cas: 497-76-7
| Catalog Number | XD92125 |
| Product Name | β-arbutin |
| CAS | 497-76-7 |
| Molecular Formula | C12H16O7 |
| Molecular Weight | 272.25 |
| Storage Details | Ambient |
| Harmonized Tariff Code | 29389090 |
Product Specification
| Appearance | White powder |
| Assay | 99% min |
| Melting point | 195-198 °C |
| alpha | -64 º (c=3) |
| Boiling point | 375.31°C (rough estimate) |
| density | 1.3582 (rough estimate) |
| refractive index | -65.5 ° (C=4, H2O) |
| solubility | H2O: 50 mg/mL hot, clear |
| pka | 10.10±0.15(Predicted) |
| optical activity | [α]/D -64.0±2.0°, c = 3 in H2O |
| Water Solubility | 10-15 g/100 mL at 20 ºC |
| Sensitive | Hygroscopic |
It is used primarily for its anti-oxidant and bleaching properties. Arbutin is the active constituent of bearberry, and found in other plant sources, including wheat. It acts as a tyrosinase inhibitor by converting to hydroquinone, and thus can prevent melanin formation.
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