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| SYNONYMS | 4:4 DIAMINO 2, 2 BIPHENYL |
| DI SULPHONIC ACID | |
| MOLECULAR WEIGHT | 344 |
| CAS NO. | 117-61-3 |
| EMPIRICAL FORMULA : | C12H12N2O6S2 |
| PHYSICAL APPEARANCE | LIGHT YELLOW MATERIAL |
| PURITY (NITRITE VALUE) | 75.0% MINIMUM (M.W. 344) |
| PURITY BY HPLC | 98% MINIMUM |
| INSOLUBLES IN DILUTE ALKALI | < 0.20% |
| SOLUBILITY | SOLUBLE IN ALKALINE SOLUTION |
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