| Product Name | ≥98% |
| Product Number | S4140 |
| Product Brand | SIGMA |
| CAS Number | 576-42-1 |
| Molecular Weight | 248.23 |
| TEST | SPECIFICATION |
| APPEARANCE | WHITE TO OFF-WHITE POWDER |
| SOLUBILITY | CLEAR TO VERY SLIGHTLY HAZY COLORLESS TO FAINT YELLOW SOLUTION AT 50MG/ML IN WATER |
| WATER BY KARL FISCHER | < OR = 1% |
| PROTON NMR SPECTRUM | CONFORMS TO STRUCTURE |
| CARBON-13 NMR SPECTRUM | CONFORMS TO STRUCTURE |
| PURITY BY PERCHLORIC ACID TITRATION | > OR = 98% |
| PURITY BY GAS | > OR = 98% |
| DOCUMENT # | S4140/10/11/10/4 |
