| Appearance | Grey- black powder |
| Purity / Analysis Method | 98.30% (HPLC) |
| pH | 4.5 – 6.0 |
| Melting point | 127°C – 132°C |
| Water | ≤ 3.0 % |
| Solubility | Slightly soluble in water, diethyl ether, and dimethyl sulfoxide (DMSO); soluble in ethanol |
Benzidine Powder (4,4-diamino diphenyl)
4,4′-Diaminobiphenyl
| Purity / Analysis Method | ≥98.0% (HPLC) |
| Molecular Formula / Molecular Weight | C12H12N2 = 184.24 |
| CAS RN | 92-87-5 |
| Form | Powder |
| Unit | Price |
| 100 g | 3950 |
| 250 g | 7500 |
| 500 g | 11975 |
