| Product Name | 4,4′- 99% |
| Product Number | D110507 |
| Product Brand | ALDRICH |
| CAS Number | 611-99-4 |
| Molecular Weight | 214.22 |
| TEST | SPECIFICATION |
| Appearance (Color) | White to Yellow |
| Appearance (Form) | Powder |
| Infrared spectrum | Conforms to Structure |
| Carbon | 71.8 - 74.0 % |
| Purity (HPLC) | ≥98.5 % |
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