| Radioisotope | Ac-225 |
| Half-Life/Daughter | 9.920 days to francium-221 |
| Chemical Form | Solid actinium nitrate |
| Radionuclidic Purity | 98%Ac-225;<2% Ra-225 |
| Radioisotopic Purity | 100% Ac-225 |
| Production Route | Decay of thorium-229 |
| Processing | Separated by ion exchange and solvent extraction |
| Primary Container | Glass screw cap bottle in nonreturnable container |
| Availability | Routinely available (weekly); order far in advance due to limited supply |
| Unit of Sale | Millicuries |
Can also be supplied as a low-activity bismuth-213 generator
