Cas 497 76 7 White Powder Beta Arbutin
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- Supplier: Dalian Launcher Trading Co. Ltd.
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Product Overview
Description
Product Description
Specification
Product name: β-Arbutin CAS number: 497-76-7 Expiry Year: Two years | ||
Analysis Items | Specifications | |
Active Ingredients Tests | ||
β-Arbutin(HPLC) | ≥99.50% | |
Hydroquinone | ≤10.0ppm | |
Physical Tests | ||
Appearance | White crystals powder | |
Odor | Characteristic | |
Taste | Characteristic | |
pH value (1% solution) | 5.0-7.0 | |
Melting Point | 198.5~201.5 ℃ | |
Specific Optical Rotation | [a]D20=-62˚-68.0˚ | |
Loss on drying | ≤0.5% | |
Residue on Ignition | ≤0.5% | |
Acid-insoluble ash | ≤0.5% | |
Chemical Tests | ||
Heavy Metals | ≤10.0ppm | |
As | ≤2.0ppm | |
Pb | ≤1.0ppm | |
Hg | ≤0.1ppm | |
Microbiological Tests | ||
Total Bacteria Count | ≤1000cfu/g | |
Yeast and Mold | ≤100cfu/g | |
Coli Group | ≤3.0MPN/g | |
E.Coli | Negative in 1g | |
Salmonella | Negative in 10g | |
Conclusion: Conform to above specification | ||
Packing & Delivery
Delivery time | Within 15 days after your payment. |
MOQ | 25 kg |
Packing | 25kg with double plastic container inside/Drum outside. |
Net Weight | 25kgs/Drum |
Gross Weight | 28kgs/Drum |
Drum Size & Volume: | I.42cm*42cm* 52cm, 0.08 m³/ Drum |
Storage | Stored in dry and cool place, keep away from strong light and heat. |
Shelf Life | Two years when properly stored. |
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