Product Name | α-arbutin, β-arbutin | Product ID | 11 |
Specification | α≥99.5%, β≥99.5% | MOQ | 1 g |
Appearance | White crystalline powder | Teat Method | HPLC |
Shelf Life | 2 years | Package | 1-10kg/Aluminum Foil Bag 25kg/drum |
Sample | Available. By Fedex, DHL, EMS, TNT. | Mass Product | By air or sea |
2. Specification of Arbutin Powder
ANALYSIS | SPECIFICATION |
Assay | ≥99.5% |
Appearance | White crystalline powder |
Melting Point | 199~201±0.5ºC |
PH(1%water solution) | 5.0-7.0 |
Specific Optical Rotation | -66±2° |
Loss on drying | ≤0.5% |
Residue on ignition | ≤0.5% |
Heavy metals | ≤20ppm |
Total Plate Count | ≤300cfu/g |
Total Yeast Count | ≤100cfu/g |
ANALYSIS | SPECIFICATION |
Assay | ≥99.5% HPLC |
Appearance | White crystalline powder |
Melting Point | 203-206(±1)ºC |
Specific Optical Rotation | [a]20D= + 174.0°- +186.0° |
Infrared peak value | 1514cm-1; 1229 cm-1; 1215 cm-1; 1059 cm-1; 1034 cm-1 |
Solubility | Soluble in water, slightly soluble in ethanol |
Clarity | Solution should be clarify, none suspended matters |
PH(1% water solution) | 5.0-7.0 |
Loss on drying | ≤0.5% |
Residue on Ignition | ≤0.5% |