Holmium (III) oxide
An oxide of the rare earth metal holmium. It is a pink powder with the chemical formula Ho2O3.
CAS No: 12055-62-8
MW: 377,86

Holmium (III) nitrate pentahydrate
An inorganic compound of holmium with the formula Ho(NO3)3x5H2O. It is a pink, hygroscopic powder. Holmium (III) nitrate pentahydrate, like all nitrates, is an oxidizing agent.
It can also be delivered as a water based solution with 20% Ho (Click link for other requests below).
CAS No: 14483-18-2
MW: 441,02