| Product Name | 2,2′- ≥98%, FG |
| Product Number | W323802 |
| Product Brand | ALDRICH |
| CAS Number | 13678-67-6 |
| Molecular Weight | 194.25 |
| TEST | SPECIFICATION |
| Appearance (Color) | Orange-Brown |
| Yellow to Brown | |
| Appearance (Form) | Solid |
| Melting Point | 29 - 34 °C |
| Infrared spectrum | Conforms to Structure |
| Purity (GC) | ≥98.0 % |
| Arsenic (As) | ≤3 ppm |
| Cadmium (Cd) | ≤1 ppm |
| Mercury (Hg) | ≤1 ppm |
| Lead ( Pb) | ≤1 ppm |
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