| Radioisotope | At-211 |
| Half-Life/Daughter | 7.214 hours to polonium-211 and bismuth-207 |
| Chemical Form | Sodium astatide in 0.05 N NaOH |
| Radionuclidic Purity | >99% At-211 (based on gamma spectroscopy, evaluated quaterly) |
| Radioisotopic Purity | >99.5% (based on gamma spectroscopy, evaluated quaterly) |
| Radiochemical Purity | ≥85% (by area) Na[At-211]At; other At-211 species may be present (e .g.[At-211]astatate) |
| Production Route | Alpha irradiation of bismuth metal |
| Processing | Wet chemistry isolation |
| Primary Container | Screw-cap vial in approved DOT package |
| Availability | Special order |
| Unit of Sale | Millicuries |
| Grade | non-cGMP Grade |