.mw-parser-output .hidden-begin{box-sizing:border-box;width:100%;padding:5px;border:none;font-size:95%}.mw-parser-output .hidden-title{font-weight:bold;line-height:1.6;text-align:left}.mw-parser-output .hidden-content{text-align:left}You can help expand this article with text translated from the corresponding article in German. (October 2020) Click [show] for important translation instructions. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Consider adding a topic to this template: there are already 9,000 articles in the main category, and specifying|topic= will aid in categorization. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing German Wikipedia article at [[:de:Neptunium(III)-chlorid]]; see its history for attribution. You should also add the template ((Translated|de|Neptunium(III)-chlorid)) to the talk page. For more guidance, see Wikipedia:Translation.
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).

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

Production

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

Chemical properties

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

References

  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.