497-76-7 Beta-Arbutin Arbutin
Product name |
Beta-Arbutin |
Purity |
99% |
Cas No. |
497-76-7 |
Molecular Formula |
C12H16O7 |
Appearance |
White powder |
Item |
Specifications |
Appearance |
White crystalline powder |
Assay |
≥99.5% |
Melting point |
199~201±0.5℃ |
pH value of 1% aqueous solution |
5.0~7.0 |
Specific optical value |
[α]D20=-66±2° |
Infrared peak value |
1515cm-11220cm-11050cm-1±(5~8)cm-1 |
Arsenic |
≤2ppm |
Hydroquinone |
≤20ppm |
Heavy metal |
≤20ppm |
Loss on drying |
≤0.5% |
Ignition residue |
≤0.5% |
Arsenic |
≤2ppm |
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