Alpha-arbutin
Product name: Alpha-arbutin,α-arbutin
CAS No.: 84380-01-8
Molecular Formula: C12H16O7
Application: comestics, pharmaceuticals
Specification:
Test items | Specifications |
Appearance | White needle crystal or powder |
Specific optical rotation | [α]20D +174.0°～186.0° |
Assay(HPLC) | ≥99.5% |
Loss on drying | ≤0.5% |
Residue on ignition | ≤0.5% |
pH | 5.0~7.0 |
Solution of transparency(1%) | Colorless transparent |
Melting point | 202.0∽212.0℃ |
Hydroquinone | Negative |
Pb | ≤10mg/kg |
As | ≤2mg/kg |
Hg | ≤1mg/kg |
Methanol | ≤2000mg/kg |
Total Plate count | ≤300CFU/g |
Yeast & Mold | ≤100cfu/g |
E.Coli | Negative |
Pseudomonas aeruginosa | Negative |
Staphyloccocus aureus | Negative |
Packing & Storage:
25kg net weight in cardboard drum or according to customer requirements.
Kept airtightly in a light-proof, dry and cool place.
