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( R e d i r e c t e d f r o m U r a n i u m t r i c h l o r i d e )
Uranium(III) chloride
Names
IUPAC name
Uranium(III) chloride
Other names
Uranium chloride
Identifiers
CAS Number
3D model (JSmol )
ChemSpider
PubChem CID
UNII
CompTox Dashboard (EPA )
InChI=1S/3ClH.U/h3*1H;/q;;;+3/p-3 Y
Key: SAWLVFKYPSYVBL-UHFFFAOYSA-K Y
InChI=1/3ClH.U/h3*1H;/q;;;+3/p-3
Key: SAWLVFKYPSYVBL-DFZHHIFOAG
Properties
Chemical formula
UCl3
Appearance
Green crystalline solid
Density
5.500 g/cm3
Melting point
837 °C (1,539 °F; 1,110 K )
Boiling point
1,657 °C (3,015 °F; 1,930 K )
Solubility in water
Soluble
Structure
Hybridisation
Tricapped trigonal prismatic
Hazards
Flash point
Non-flammable
Autoignition
Non-flammable
Related compounds
Related compounds
Uranium(IV ) chloride ,Uranium(V ) chloride ,Uranium(VI ) chloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
Chemical compound
Uranium(III) chloride , UCl3 3 uranium(IV ) chloride ; however, UCl3 4
Preparation
[ edit ]
There are two ways to synthesize uranium(III) chloride. The following processes describe how to produce uranium(III) chloride.
(1 ) In a mixture of NaCl-KCl at 670–710 °C, add uranium tetrachloride with uranium metal.
3 UCl4 + U 3 [1]
(2 ) Heat uranium(IV ) chloride in hydrogen gas.
2 UCl4 + H 2 3 HCl [2]
Properties
[ edit ]
In solid uranium(III) chloride each uranium atom has nine chlorine atoms as near neighbours, at approximately the same distance, in a tricapped trigonal prismatic configuration.[3]
Uranium(III) chloride is a green crystalline solid at room temperature. UCl3 3 3
Its composition by weight:
Chlorine: 30.84%
Uranium: 69.16%
Its formal oxidative states:
Chlorine: −1
Uranium: +3
This salt is very soluble in water and is also very hygroscopic . UCl3 hydrochloric acid .[4]
Uses
[ edit ]
Reagent
[ edit ]
Uranium(III) chloride is used in reactions with tetrahydrofuran (THF) and sodium methylcyclopentadiene to prepare various uranium metallocene complexes.[5]
Catalyst
[ edit ]
Uranium(III) chloride is used as a catalyst during reactions between lithium aluminium hydride (LiAlH4 olefins to produce alkyl aluminate compounds.[6]
[ edit ]
The molten form of uranium(III) chloride is a typical compound in pyrochemical processes as it is important in the reprocessing of spent nuclear fuels .[7] 3 [7] [8]
Hydrates
[ edit ]
There are three hydrates of uranium(III) chloride:
UCl3 . 2H2 O . 2CH3 CN
UCl3 . 6H2 O
UCl3 . 7H2 O
Each are synthesized by the reduction of uranium(IV ) chloride in methylcyanide (acetonitrile ), with specific amounts of water and propionic acid .[9]
Precautions
[ edit ]
While there are no long-term data on the toxic effects thas UCl3
Similar to other uranium compounds that are soluble in water, UCl3 toxicity of the renal system .[10]
References
[ edit ]
^ Serrano, K.; Taxil, P.; Dugne, O.; Bouvet, S.; Puech, E. J. Nucl. Mater. 2000, 282, 137–145.
^ Remsen, Ira. Inorganic Chemistry. New York: Henry Holt and Company, 1890.
^ Wells A.F. (1984) Structural Inorganic Chemistry 5th edition Oxford Science Publications ISBN 0-19-855370-6
^ Comey, Arthur M.; Hahn, Dorothy A. A Dictionary of Chemical Solubilities: Inorganic. New York: The MacMillan Company, 1921.
^ Brenna, J.G.; Anderson, R.A.; Zalkin, A. Inorg. Chem. 1986, 25, 1756–1760.
^ Le Marechal, J.F.; Ephritikhine, M.; Folcher, G. J. Organomet. Chem. 1986, 309, C1–C3.
^ a b Okamoto, Y.; Madden, P.; Minato, K. J. Nucl. Mater. 2005, 344, 109–114.
^ Okamoto, Y.; Kobayashi, F.; Ogawa, T. J. Alloys Compd. 1998, 271, 355–358.
^ Mech, A.; Karbowick, M.; Lis, T. Polyhedron. 2006, 25, 2083–2092.
^ Bertell, Rosalie. "Gulf War Veterans and Depleted Uranium." May 1999. Available: http://ccnr.org/du_hague.html
External links
[ edit ]
t
e
U(II )
U(III)
U(IV )
U(IV,V)
U(IV,VI)
U(V )
U(VI )
U(XII)
t
e
Salts and covalent derivatives of the
chloride ion
R e t r i e v e d f r o m " https://en.wikipedia.org/w/index.php?title=Uranium(III)_chloride&oldid=1191079832 " C a t e g o r i e s : ● U r a n i u m ( I I I ) c o m p o u n d s ● C h l o r i d e s ● A c t i n i d e h a l i d e s H i d d e n c a t e g o r i e s : ● A r t i c l e s w i t h o u t E B I s o u r c e ● A r t i c l e s w i t h o u t K E G G s o u r c e ● A r t i c l e s w i t h c h a n g e d C A S N o i d e n t i f i e r ● A r t i c l e s w i t h c h a n g e d F D A i d e n t i f i e r ● A r t i c l e s c o n t a i n i n g u n v e r i f i e d c h e m i c a l i n f o b o x e s ● A r t i c l e s w i t h s h o r t d e s c r i p t i o n ● S h o r t d e s c r i p t i o n m a t c h e s W i k i d a t a ● C o m m o n s c a t e g o r y l i n k i s o n W i k i d a t a
● T h i s p a g e w a s l a s t e d i t e d o n 2 1 D e c e m b e r 2 0 2 3 , a t 1 3 : 0 0 ( U T C ) . ● T e x t i s a v a i l a b l e u n d e r t h e C r e a t i v e C o m m o n s A t t r i b u t i o n - S h a r e A l i k e L i c e n s e 4 . 0 ;
a d d i t i o n a l t e r m s m a y a p p l y . B y u s i n g t h i s s i t e , y o u a g r e e t o t h e T e r m s o f U s e a n d P r i v a c y P o l i c y . W i k i p e d i a ® i s a r e g i s t e r e d t r a d e m a r k o f t h e W i k i m e d i a F o u n d a t i o n , I n c . , a n o n - p r o f i t o r g a n i z a t i o n . ● P r i v a c y p o l i c y ● A b o u t W i k i p e d i a ● D i s c l a i m e r s ● C o n t a c t W i k i p e d i a ● C o d e o f C o n d u c t ● D e v e l o p e r s ● S t a t i s t i c s ● C o o k i e s t a t e m e n t ● M o b i l e v i e w
