| Radioisotope | Ac-225 |
| Half-Life/Daughter | 9.920 days to francium-221 |
| Chemical Form | Solid actinium nitrate |
| Radionuclidic Purity | ≥99% by activity (gamma spectroscopy), not including Ac-227 or daughter isotopes; ≤2% Ac-227 at shipment (value extrapolated from earlier runs) |
| Production Route | Proton bombardment of natural thorium target at Brookhaven or Los Alamos National Laboratory, chemically processed at Oak Ridge National Laboratory |
| Processing | Separated by ion exchange and extraction chromatography |
| Primary Container | Glass screw top V-vial in nonreturnable container |
| Availability | Routinely available (every other month); order 4–6 weeks in advance |
| Unit of Sale | Millicuries |
CoA provided
Can also be supplied as a bismuth-213 generator