β-arbutin CAS: 497-76-7
| Catalog Number | xwm 92125 |
| Khoom npe | β-arbutin |
| CAS | 497-76-7 : kuv |
| Molecular Formula | C12H16O7 |
| Molecular Luj | 272.25 Nws |
| Cov ntaub ntawv khaws cia | Ambient |
| Harmonized tariff Code | 29389 0 |
Khoom Specification
| Qhov tshwm sim | Dawb hmoov |
| Assay | 99% min |
| Melting point | 195-198 ° C |
| alpha | -64º (c=3) |
| Boiling point | 375.31°C (kev kwv yees kwv yees) |
| ceev | 1.3582 (zeeg) |
| Refractive Index | -65.5 ° C = 4, H2O |
| solubility | H2O: 50 mg/mL kub, ntshiab |
| pka ua | 10.10 ± 0.15 (Tshaj tawm) |
| kev ua haujlwm kho qhov muag | [α]/D -64.0 ± 2.0°, c = 3 in H2O |
| Dej Solubility | 10-15 g / 100 mL ntawm 20 ºC |
| rhiab heev | Hygroscopic |
Nws yog siv feem ntau rau nws cov anti-oxidant thiab bleaching zog.Arbutin yog cov khoom tseem ceeb ntawm bearberry, thiab pom nyob rau hauv lwm qhov chaw cog, nrog rau cov nplej.Nws ua raws li tyrosinase inhibitor los ntawm kev hloov mus rau hydroquinone, thiab yog li tuaj yeem tiv thaiv melanin tsim.
Kaw
