Neptunium(III) chloride

(Redirected from Neptunium trichloride)

Neptunium(III) chloride or neptunium trichloride is an inorganic compound with a chemical formula NpCl3. This salt is strongly radioactive.

Neptunium(III) chloride
Names
IUPAC name
Neptunium(III) chloride
Other names
Neptunium trichloride
Identifiers
3D model (JSmol)
  • InChI=1S/3ClH.Np/h3*1H;/q;;;+3/p-3
    Key: YCRHCDNZKKGRFF-UHFFFAOYSA-K
  • Cl[Np](Cl)Cl
  • [Cl-].[Np+3].[Cl-].[Cl-]
Properties
NpCl3
Molar mass 343.41 g/mol
Appearance green solid[1]
Density 5.58g/cm3
Melting point 800 °C (1,470 °F; 1,070 K)[2][1]
Related compounds
Other anions
Neptunium(III) fluoride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Production

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Neptunium(III) chloride can be produced by reducing neptunium(IV) chloride by ammonia or hydrogen at 350~400 °C:[1]

2 NpCl4 + H2 → 2 NpCl3 + 2 HCl

Chemical properties

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Neptunium(III) chloride hydrolyzes at 450 °C and forms an oxychloride NpOCl.[1]

References

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  1. ^ a b c d 《无机化学丛书》.第十卷 锕系 锕系后元素. 张青莲 等. 科学出版社. 8.3.2 镎的卤化物. 2.氯化物 . P160. ISBN 978-7-03-030572-5
  2. ^ Arnold F. Holleman, Nils Wiberg: Lehrbuch der Anorganischen Chemie, 102. Auflage, de Gruyter, Berlin 2007, ISBN 978-3-11-017770-1, S. 1969.