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Contents

(Top) 1 Synthesis 2 Physical properties 3 Chemical properties 4 References

Promethium(III) nitrate

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Promethium(III) nitrate
Names
Other names Promethium trinitrate, Promethium nitrate
Identifiers
3D model (JSmol)	Interactive image
PubChem CID	129629261
InChI InChI=1S/3NO3.Pm/c32-1(3)4;/q3-1; Key: RZYBNRHGSAOSLN-UHFFFAOYSA-N
SMILES [N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[Pm]
Properties
Chemical formula	Pm(NO₃)₃
Molar mass	206.918
Appearance	Purple-pink solid (hydrate)
Solubility in water	Soluble
Hazards
GHS labelling:
Signal word	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). Infobox references

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]

Synthesis[edit]

Reaction of promethium and nitric acid:

{\ce {Pm + 6HNO3 -> Pm(NO3)3 + 3NO2 + 3H2O}}

Physical properties[edit]

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

Forms crystalline hydrates of the composition ${\ce {Pm(NO3)3*6H2O}}$ .^[3]

Chemical properties[edit]

Promethium(III) nitrate thermally decomposes to form promethium(III) oxide.^[4]

References[edit]

^ Бекман, Игорь (1 July 2021). Радиохимия в 2 т. Т. 1 Фундаментальная радиохимия. Учебник и практикум для академического бакалавриата (in Russian). Litres. p. 157. ISBN 978-5-04-026362-2. Retrieved 20 August 2021.

^ ^a ^b Macintyre, Jane E. (23 July 1992). Dictionary of Inorganic Compounds. CRC Press. p. 3619. ISBN 978-0-412-30120-9. Retrieved 20 August 2021.

^ Chemistry, session C. U.S. Department of Commerce. 1965. p. 114. Retrieved 20 August 2021.

^ Orr, P. B. (1965). Evidence of the Absence of Long-lived Isotopes of Promethium from Fission of Uranium, and the Purification of Promethium for the Establishment of a Primary Spectrographic Standard. Oak Ridge National Laboratory. p. 10. Retrieved 20 August 2021.

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Promethium compounds

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