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99% Skin Whitening CAS 84380-01-8 Nature Alpha Arbutin | ||
Chemical Name: | Alpha Arbutin | |
CAS No.: | 84380-01-8 | |
Molecular Fomula: | C12H17O7 | |
Molecular weight: | 272.25 | |
Appearance: | White crystalline powder | |
Assay: | 99.0%min |
Item | Specification | Results | |
Appearance | White powder | White powder | |
Assay | 99.0%Min | 0.995 | |
Melting point | 203~206±1°C | 205.0-206.0 | |
Clarity of water solution | Transpency, colorless, none suspended matters | Complies | |
pH (1% aq) | 5.0~7.0 | 6.08 | |
Specific optical ratation | α =+176~184º | 179.2 | |
Arsenic | ≤2 ppm | Complies | |
Hydroquinone | ≤10 ppm | Complies | |
Heavy metal | ≤10 ppm | Complies | |
Loss on drying | ≤0.5% | 0.0006 | |
Ignition residue | ≤0.5% | 0.0004 | |
Total Plate Count | ≤1000cfu/g | Complies | |
Salmonella | Negative | Complies | |
E.Coil | Negative | Complies | |
Yeast & Mold | ≤100cfu/g | Complies | |
Conclusion | The results comply with standards of USP32. |
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