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Uranium chloride (UCl3)(8CI,9CI)
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Name

Uranium chloride (UCl3)(8CI,9CI)

 EINECS N/A
CAS No. 10025-93-1 Density 5.51
PSA 0.00000 LogP 2.06850
Solubility very soluble H2O, evolves H2, solution changes color from purple to green due to oxidation of U+++ [MER06] Melting Point 842°
Formula Cl3U Boiling Point N/A
Molecular Weight 344.388 Flash Point N/A
Transport Information N/A Appearance N/A
Safety Risk Codes N/A
Molecular Structure Molecular Structure of 10025-93-1 (Uranium(III) chloride.) Hazard Symbols N/A
Synonyms

Uraniumtrichloride; Uranium(III) chloride

Article Data 43

Uranium chloride (UCl3)(8CI,9CI) Synthetic route

10026-10-5

uranium(IV) chloride

10025-93-1

uranium(III) chloride

Conditions
ConditionsYield
With zinc redn. of UCl4 by metallic Zn at 450 to 480°C in vacuum;;86%
In neat (no solvent) on sublimation of UCl4, in part dissocn. and forming of UCl3 (not volatile ppte.);;
With H redn. by hydrogen; using of absolutely pure H;;
Hg(b),Li(1) (X%)

Hg(b),Li(1) (X%)

2Li(1+)*[(UCl4(C4H8O))2((CH3)2CO)2](2-)*99C4H8O=Li2[(UCl4(C4H8O))2((CH3)2CO)2]*99C4H8O

A

10025-93-1

uranium(III) chloride

B

Li(UCl4)

C

2Li(1+)*[UCl4(OC(CH3)2)2](2-)*99C4H8O=Li2[UCl4(OC(CH3)2)2]*99C4H8O

Conditions
ConditionsYield
In tetrahydrofuran Ar atm; 1 equiv. of amalgam, 20°C, 4.5 h;A n/a
B n/a
C 85%
265-49-6

benzocyclooctene

10026-10-5

uranium(IV) chloride

A

10025-93-1

uranium(III) chloride

B

87532-97-6

dibenzouranocene

Conditions
ConditionsYield
With potassium In tetrahydrofuran under Ar; to a soln. of benzocyclooctatetraene potassium was added; mixt. stirred for 48 h, added to a soln. of UCl4 and refluxed for 2 days; evapn., washing a residue with hexane, extn. (THF);A n/a
B 20%
7440-09-7

potassium

10026-10-5

uranium(IV) chloride

A

10025-93-1

uranium(III) chloride

B

K2UCl5

Conditions
ConditionsYield
In neat (no solvent) at 700°C for 7 days;

uranium

10026-10-5

uranium(IV) chloride

10025-93-1

uranium(III) chloride

Conditions
ConditionsYield
in evacuated quartz tube at 1130 K for 1 h;;
In neat (no solvent, solid phase) at 800°C for 7 d;
In neat (no solvent) fused in evacuated ampule at 860-870°C for 1 h; slowly cooled, elem. anal.;
In neat (no solvent) 400°C, several h; heating (615°C);
7440-22-4

silver

10026-10-5

uranium(IV) chloride

A

10025-93-1

uranium(III) chloride

B

silver(I) chloride

Conditions
ConditionsYield
In not given equilibrium;
In not given equilibrium;
82360-21-2

potassium 6,6-dimethylcyclohexadienide

10026-10-5

uranium(IV) chloride

A

10025-93-1

uranium(III) chloride

B

(6,6-dimethylcyclohexadienyl)2

Conditions
ConditionsYield
In tetrahydrofuran under Ar; evapn. of solvent, extn. (pentane), pentane evapd. off: (Me2C6H5)2;
7647-01-0

hydrogenchloride

uranium(III) hydride

10025-93-1

uranium(III) chloride

Conditions
ConditionsYield
In neat (no solvent) at 250-300°C;;
In neat (no solvent) at 250-300°C;;

uranium

silver(I) chloride

10025-93-1

uranium(III) chloride

Conditions
ConditionsYield
In neat (no solvent) byproducts: Ag; Ar atmosphere; heating (sealed tantalum crucible, 1172-1223 K); sublimation;

uranyl chloride

10025-93-1

uranium(III) chloride

Conditions
ConditionsYield
With zinc In hydrogenchloride on redn. of UO2Cl2 by Zn;; not isolated;;
With Zn In hydrogenchloride on redn. of UO2Cl2 by Zn;; not isolated;;
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