Promethium(III) nitrate

Promethium(III) nitrate is an inorganic compound, a salt of promethium and nitric acid with the chemical formula Pm(NO3)3. The compound is radioactive, soluble in water and forms crystalline hydrates.

Synthesis
Reaction of promethium and nitric acid:

Physical properties
Promethium(III) nitrate hydrate forms purple-pink solid.

Forms crystalline hydrates of the composition.

Chemical properties
Promethium(III) nitrate thermally decomposes to form promethium(III) oxide.