| Radioisotope | Ho-166m |
| Half-Life/Daughter | 1.20 x 10³ years to erbium-166 |
| Chemical Form | Oxide powder |
| Available Specific Activity | ~1.2 Ci/g |
| Activity Concentration | ~37 MBq/g (~1 Mci/g) (Determined per lot) |
| Radionuclidic Purity | >98% wt Ho isotopes |
| Production Route | Neutron capture on holmium-165 |
| Processing | Solid form, or in HNO3 or HCl solutions |
| Primary Container | Glass screw cap bottle in nonreturnable container |
| Availability | Special order |
| Unit of Sale | Millicuries |
