| CAS No. | 7153-21-1 |
| Molecular Formula | C10H6Na2O8S2 |
| Molecular weight | 364 |
| Structure | ![]() |
| EINECS | 230-499-2 |
| Appearance | Caesious powder |
| Purity | ≥97% |
| Moisture | ≤1% |
| Iron | ≤10PPM |
| Uses | used as blueprint coupling ingredient |
| Packing | 25kg fibre drum lined with plastic bags |