?-Arbutin
CAS:497-76-7
Code:CM-010
Product Specification
| Item | Specification |
| Assay | ≥99.5% |
| Appearance | White Crystalline Powder |
| Loss on Drying | ≤0.5% |
| Residue on ignition | ≤0.5% |
| Melting point | 199-201°C |
| Infrared Signature Peak | 1515cm-1 1220cm-1 1050cm-1 (±5-8 )m-1 |
| Specific Optical Rotation | [?a?]?D20 = - 66 ± 2 |
| PH value in 1% solution | 5.0-7.0 |
| Clarity of Water Solution | Transparency, colorless,none suspended matters |
| Heavy metal | ≤10ppm |
| Arsenic | ≤2ppm |
| Total Bacteria | ≤300cfu/g |
Storage: Sealed, keep in shady & dry place.
