Product Detail
Product Name |
Alpha Arbutin |
Specification |
99% |
Grade |
Cosmetic grade |
Appearance: |
White Powder |
Shelf Life: |
2 Years |
Storage: |
Sealed, placed in a cool dry environment, to avoid moisture, light |
Certificate of Analysis
Product Name: |
Alpha Arbutin |
Report Date: |
Mar.03, 2024 |
Batch Number: |
BCSW240303 |
Manufacture Date: |
Mar.04, 2024 |
Batch Quantity: |
620KG |
Expiration Date: |
Mar.02, 2026 |
Test |
Specifications |
Result |
Assay： |
≥99.0% |
99.42% |
Appearance: |
White Crystalline powder |
Complies |
Melting Point: |
202-206℃ |
203-205℃ |
Specific Optical Rotation: |
［a］D20=+174.0°-+186.0° |
+182.4° |
Solubility: |
Soluble in water,alcohol |
Complies |
Transparency in water: |
Transparent colorless no suspended |
Complies |
PH(1% water solution): |
5.0-7.0 |
5.85 |
Loss on drying: |
≤0.5 |
0.14 |
Sulfated ash: |
≤0.5 |
0.18 |
Heavy metals: |
≤10ppm |
Complies |
Arsenic: |
<1ppm |
Complies |
Plumbum: |
<2ppm |
Complies |
Total Plate Count: |
<300cfu/g |
40cfu/g |
Yeast&mold: |
<100cfu/g |
10cfu/g |
Escherichia coli: |
Negative |
Complies |
Staphylococcus aureus: |
Negative |
Complies |
Hydroquinone: |
Negative |
Negative |
Conclusion: |
Conform With Specification |
|
Packing description: |
Sealed export grade drum & double of sealed plastic bag |
Storage: |
Store in cool & dry place not freeze., keep away from strong light and heat |
Shelf life: |
2 years when properly stored |
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