China Cosmetic Grade Skin Care Beta Arbutin Powder CAS 497-76-7 with Fast Delivery, Find details about China Beta Arbutin Powder, CAS 497-76-7 from Cosmetic Grade Skin Care Beta Arbutin Powder CAS 497-76-7 with Fast Delivery
Cosmetic grade Skin Care Beta Arbutin Powder CAS 497-76-7 with fast delivery
Item | Specification | Results |
Appearance | White crystalline powder | White crystalline powder |
Assay | 99.50%Min | 99.7% |
Melting Point | 199-201±0.5°C | 199-201°C |
PH Value of 1% solution | 5.0-7.0 | 5.56 |
Specific optical rotation | -66±2° | -67.6 |
IPV | 1515cm-1 1220cm-1 1050cm-1 ±(5-8)cm-1 | pass |
Arsenc Hydroquione | 2 ppm max 10ppm max | 1.6 0.25 |
Heavy Metal | 10ppm max | 6.5 |
Loss on drying | 0.5% max | 0.39 |
Ignition Residue | 0.5% max | 0.25 |
Pathogen | Bacteria: max 300CFU Fungus:max 100CFU | <20 <20 |