Clodronic acid (disodium salt)
CAS: 22560-50-5
Category: Bisphosphonate
| Purity | Reagent Grade ≥98%, High-Purity Grade ≥99%, Technical Grade ≥95% |
| Molecular Formula | CH2Cl2Na2O6P2 |
| Molecular Weight | 288.86 |
| Appearance | White crystalline powder |
| Packaging | 25 kg/plastic drum, 5 kg/aluminum foil bag. |
| Testing Indicators | Appearance — Visual inspection; Identification — IR, Sodium test; Purity — Ion-exchange HPLC; Sodium — Flame photometry; Heavy metals — ICP-MS; Loss on drying — Gravimetry; Microbial limits — Filtration; Phosphonate — Colorimetry; pH — Potentiometry. |
| Storage Notes | Stored in a cool, dry place at 15-30°C in a tightly closed container, away from light and strong acids. |
| Lead Time | 10 days |
Used as a first-generation bisphosphonate intermediate in the synthesis of injectable and oral agents for hypercalcemia and osteolytic bone metastases.