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Product Name: | Alpha Arbutin | ||
Quantity: | 2000KG | ||
Specification: | Company Standard | ||
I t e m | Specification | Analytical Result | |
Assay | ≥99.5% | 99.99% | |
Character | White crystal powder | white crystal powder | |
Melting Point | 202-210℃ | 205.0-205.4 ℃ | |
Specific Optical Rotation | + 175.0°- +185.0° | +178.83° | |
State of solution (Transmittance ) | ≥ 95 | 99.3 | |
PH(1% water solution) | 5.0-7.0 | 6.52 | |
Loss on drying | ≤ 1.0 | 0.09 | |
Residue on ignition | ≤0.5 | 0.10 | |
Heavy metals | ≤10ppm | <10 | |
Arsenic | <2ppm | < 2 | |
Plumbum | <2ppm | Conforms | |
Total Plate count | <1000cfu/g | 30 cfu/g | |
Yeast & mold | <100cfu/g | 0 | |
Escherichia coli | Negative | Conforms | |
Staphylococcus aureus | Negative | Conforms | |


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