Promethium(III) nitrate

Chemical compound From Wikipedia, the free encyclopedia

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[1] and forms crystalline hydrates.[2]

Quick facts Names, Identifiers ...
Promethium(III) nitrate
Hydrate
Names
Other names
Promethium trinitrate, Promethium nitrate
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/3NO3.Pm/c3*2-1(3)4;/q3*-1;+3
    Key: BLVQZLMLJMPOIU-UHFFFAOYSA-N
  • [N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[Pm+3]
Properties
Pm(NO3)3
Molar mass 206.918 g/mol
Appearance Purple-pink solid (hydrate)
Soluble
Hazards
GHS labelling:
Warning
Related compounds
Related compounds
 Samarium(III) nitrate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Synthesis

Reaction of promethium and nitric acid:

Pm + 6 HNO3 → Pm(NO3)3 + 3 NO2 + 3 H2O

Physical properties

Promethium(III) nitrate hydrate forms a purple-pink solid.[2][3]

It forms crystalline hydrates of the composition Pm(NO3)3·6H2O.[4]

Chemical properties

Promethium(III) nitrate thermally decomposes to form promethium(III) oxide.[5]

References

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