Uranium tetrachloride supplier

Name
URANIUM CHLORIDE
EINECS 233-057-7
CAS No. 10026-10-5
Article Data122
CAS DataBase
Density g/cm³
Solubility very soluble H2O, with decomposition [MER06]
Melting Point 590°
Formula Cl4U
Boiling Point °Cat760mmHg
Molecular Weight 379.841
Flash Point °C
Transport Information
Appearance
Safety Probably a poison. When heated to decomposition it emits toxic fumes of Cl⁻. See also URANIUM.
Risk Codes
Molecular Structure
Hazard Symbols 3
Synonyms Tetrachlorouranium;Uranium chloride (U2Cl8); Uranium tetrachloride; Uranium(IV) chloride
PSA 0.00000
LogP 2.75800

Synthetic route

: uranyl nirate hexahydrate

: 1888-71-7
perchloropropene

: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
Inert atmosphere; Reflux;	100%

: 7446-70-0
aluminium trichloride

: uranium dioxide

: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
Stage #1: aluminium trichloride; uranium dioxide at 250℃; for 5h; Sealed tube; Stage #2: at 350℃; for 72h; Sealed tube;	99%

: 1888-71-7
perchloropropene

: uranium(VI) trioxide

: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
at 190℃; for 18h; Schlenk technique; Inert atmosphere;	98%
In neat (no solvent) refluxing; sublimation (vac.);
In neat (no solvent) absence of air and moisture; refluxing;

: uranium(IV) oxide dihydrate

: uranium(VI) oxide dihydrate

: 1888-71-7
perchloropropene

: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
In further solvent(s) (N2); standard Schlenk technique; UO22H2O was added to hexachloropropene at 190°C; heated at 190°C; UO32H2O was carefully added;mixt. was heated at 190°C overnight; cooled to room temp.; filtered; washed (CH2Cl2); dried (vac.);	98%

...Expand

: 7647-01-0
hydrogenchloride

: uranium

: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
In water refluxing (2 h); filtn.;	93%
U dissolved in HCl;
In hydrogenchloride prepn. by dissolving U metal chips in 6 M HCl according to N. Dacheux etal., New J. Chem. 19 (1995) 1029; not isolated;

: uranium oxide

: 1888-71-7
perchloropropene

: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
Inert atmosphere;	55%

: uranium(III) hydride

: ammonium chloride

: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
In neat (no solvent, solid phase) byproducts: NH3, H2; excess of NH4Cl; heated to 300°C for 30 h; decompn. of NH4-salt in vac. (1E-3 Torr) at 350°C; powder XRD;

: uranyl oxalate

: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
With tetrachloromethane

: uranyl chloride

: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
In perchloric acid aq. HClO4; Electrolysis; electrolytic reduction;
In hydrogenchloride Electrolysis; electrolytic reduction;

: uranyl chloride

: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
In diethyl ether photochemical redn.;;
In diethyl ether photochemical redn.;;

: uranyl chloride

A: uranium dioxide

B: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
In hydrogenchloride Electrolysis; dark green soln. of UCl4 and black UO2 sol formed;; not isolated, only in soln.; sol flocculates within 24 h;;
In hydrogenchloride Electrolysis; electrolytical redn. of UO2Cl2 (50g) in 2n HCl (100ml); forming of UCl4 in soln. and a black ppte.;;

: uranyl chloride

: 302-01-2
hydrazine

: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
With HCl In water byproducts: N2;

: 7647-01-0
hydrogenchloride

: uranyl chloride

: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
In hydrogenchloride Electrolysis; platinum electrodes, diaphragme, 8V;; not isolated;;
In hydrogenchloride Electrolysis; electrolytic reduction on Hg cathode under Ar in cell with cathod and anod septd. by cation-exchange diaphragm; detd. spectrophotometrically and by complexometric titration;
In hydrogenchloride Electrolysis; platinum electrodes, diaphragme, 8V;; not isolated;;

: uranium

: 14700-96-0, 14835-24-6, 15723-23-6, 16547-50-5, 16885-04-4, 16887-00-6, 16904-11-3, 16904-12-4, 16999-02-3, 20337-89-7, 20499-73-4, 22537-15-1, 22537-27-5, 22541-73-7, 22541-74-8, 24203-47-2, 33944-49-9, 34937-26-3, 37352-90-2
chlorine

: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
in part forming of UCl4;;

: 10025-67-9
disulfur dichloride

: 14700-96-0, 14835-24-6, 15723-23-6, 16547-50-5, 16885-04-4, 16887-00-6, 16904-11-3, 16904-12-4, 16999-02-3, 20337-89-7, 20499-73-4, 22537-15-1, 22537-27-5, 22541-73-7, 22541-74-8, 24203-47-2, 33944-49-9, 34937-26-3, 37352-90-2
chlorine

: uranium(VI) trioxide

: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
chlorinating of UO3;;
chlorinating of UO3;;

...Expand

: 10025-67-9
disulfur dichloride

: uranium oxide

: 14700-96-0, 14835-24-6, 15723-23-6, 16547-50-5, 16885-04-4, 16887-00-6, 16904-11-3, 16904-12-4, 16999-02-3, 20337-89-7, 20499-73-4, 22537-15-1, 22537-27-5, 22541-73-7, 22541-74-8, 24203-47-2, 33944-49-9, 34937-26-3, 37352-90-2
chlorine

: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
In neat (no solvent) react. only proceeds at red heat completely; formed UCl4 is sublimating off quantitatively; using sufficient amt. of S2Cl2 inhibits simultaneous formation of UO2Cl2;;	>99
chlorinating of U3O8;;
In neat (no solvent) react. only proceeds at red heat completely; formed UCl4 is sublimating off quantitatively; using sufficient amt. of S2Cl2 inhibits simultaneous formation of UO2Cl2;;	>99
chlorinating of U3O8;;

...Expand

: uranium oxide

: 14700-96-0, 14835-24-6, 15723-23-6, 16547-50-5, 16885-04-4, 16887-00-6, 16904-11-3, 16904-12-4, 16999-02-3, 20337-89-7, 20499-73-4, 22537-15-1, 22537-27-5, 22541-73-7, 22541-74-8, 24203-47-2, 33944-49-9, 34937-26-3, 37352-90-2
chlorine

: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
With pyrographite In neat (no solvent) mixture of U3O8 and coal (4:1), passing over of a stream of Cl, forming of UCl4;; proportions (see above) are used to inhibit forming of compd., which contain C;;
With coal In neat (no solvent) mixture of U3O8 and coal (4:1), passing over of a stream of Cl, forming of UCl4;; proportions (see above) are used to inhibit forming of compd., which contain C;;

: uranium

: 7782-50-5
chlorine

: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
In acetonitrile Electrolysis; N2/Cl2-atmosphere, U-anode (pptn.);

: uranium

: 7782-50-5
chlorine

A: UCl2

B: UCl

C: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
In gaseous matrix co-condensation of U atoms (generated by Nd:YAG laser pulse of 20-50 mJ/10 ns) with Cl2/Ar (1:200 to 1:800) on CsI window at 12 K (6 h, 2-3 mmolh*-1), stepwise annealing to 20-40 K; not isolated, detd. by IR spectroscopy; product ratio depending on laser pulse intensity and temp. of annealing;

...Expand

: 7719-09-7
thionyl chloride

: uranium oxide

A: 7791-25-5
sulfuryl dichloride

B: 13470-21-8
uranium pentachloride

C: 7446-09-5
sulfur dioxide

D: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
In neat (no solvent)
In neat (no solvent)

...Expand

: 7719-09-7
thionyl chloride

: uranium dioxide

: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
In neat (no solvent) some days, 200°C;;	>99
In thionyl chloride UO2 refluxed with SOCl2;
In neat (no solvent) some days, 200°C;;	>99

: 56-23-5
tetrachloromethane

: uranium(IV) oxalate

: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
about 500°C; vapor recrystallization;

: 75-44-5
phosgene

: uranium oxide

A: uranyl chloride

B: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
In neat (no solvent) react. at 500 °C;;

...Expand

: 75-44-5
phosgene

: uranium oxide

: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
In neat (no solvent) byproducts: UO2Cl2; on heating U3O8 (porcelain little ship) in a stream of COCl2 at about 500 °C, small amt. of UO2Cl2 are sublimating off, pptn. of half-molten compd. UCl4;;
In neat (no solvent) byproducts: UO2Cl2; on heating U3O8 (porcelain little ship) in a stream of COCl2 at about 500 °C, small amt. of UO2Cl2 are sublimating off, pptn. of half-molten compd. UCl4;;

: 75-44-5
phosgene

: autunite

: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
In neat (no solvent) byproducts: POCl3, CO2, CaCl2; decompn. at 800 °C;; easy separation of UCl4 from CaCl2;;
In neat (no solvent) byproducts: POCl3, CO2, CaCl2; decompn. at 800 °C;; easy separation of UCl4 from CaCl2;;

: 75-44-5
phosgene

: uranium dioxide

: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
react. proceeds at about 450 °C;;
In neat (no solvent) react. of a slowly stream of COCl2 with heated UO2, react. temp. about 450 °C;;
react. proceeds at about 450 °C;;
In neat (no solvent) react. of a slowly stream of COCl2 with heated UO2, react. temp. about 450 °C;;

: 56-23-5
tetrachloromethane

: uranium(V) oxide

A: 13470-21-8
uranium pentachloride

B: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
In neat (no solvent) passing steam of CCl4 over U3O8 at 360 °C;;

...Expand

: 10025-67-9
disulfur dichloride

: uranium(VI) trioxide

: 7782-50-5
chlorine

: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
In neat (no solvent) byproducts: UCl5, UO2Cl2, S; on heating UO3 in with S2Cl2 satd. chlorine vapor for several hours;; removing of by-products on heating, pptn. of mixture of UCl4 and sulfides, separation of this mixture by sublimation;;
In neat (no solvent) byproducts: UCl5, UO2Cl2, S; on heating UO3 in with S2Cl2 satd. chlorine vapor for several hours;; removing of by-products on heating, pptn. of mixture of UCl4 and sulfides, separation of this mixture by sublimation;;

...Expand

: 10025-67-9
disulfur dichloride

: uranium oxide

: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
In neat (no solvent) byproducts: UCl3, S; on using CO2 instead of Cl to pass over S2Cl2, forming of a mixture of UCl4 with some amt. of UCl3 and pptn. of large amt. of S;;
on heating at 230 up to 250 °C;;
In neat (no solvent) below 500°C;;

: 10025-67-9
disulfur dichloride

: uranium dioxide

: 10026-10-5
uranium(IV) chloride

Conditions

Conditions	Yield
In neat (no solvent) on heating UO2 in Cl-free S2Cl2, react. starts at 230 up to 250 °C; react. proceeds even below sublimation temp. quantitatively;; UCl4 remains free of oxide (nearly); cooling down in dry Cl;;	>99
react. of UO2 with S2Cl2 at 230 up to 250 °C, forming of UCl4;;
In neat (no solvent) below 500°C;;

: 6389-79-3
methyl methylphenylphosphinate

: 10026-10-5
uranium(IV) chloride

: poly(uranium methylphenylphosphinate)

Conditions

Conditions	Yield
In further solvent(s) byproducts: MeCl; slow heating in neat Ph(Me)P(O)OMe until complete pptn.; particle size and polymerization degree depending on heating rate;	100%

: 10026-10-5
uranium(IV) chloride

: 791-28-6
Triphenylphosphine oxide

: 58001-79-9, 85281-21-6, 16923-61-8
[UCl4(triphenylphosphine oxide)2]

Conditions

Conditions	Yield
In tetrahydrofuran Glovebox;	100%
In tetrahydrofuran inert atmosphere; stirring UCl4 for 24 h, Ph3PO addn. (pptn.); collection (filtration), washing (PhMe, hexane);	94%
In tetrahydrofuran for 0.166667h;

: 10026-10-5
uranium(IV) chloride

: UCl3

Conditions

Conditions	Yield
With silicon at 450℃; for 480h; Glovebox; Inert atmosphere;	100%

: 10026-10-5
uranium(IV) chloride

: molybdenum(VI) oxide

A: molybdenum(VI) oxychloride

B: uranium oxide chloride

Conditions

Conditions	Yield
heating one end of vac. sealed ampoule with equimolar mixt. at 350°C, Mo-compd. crystn. in cold ampoule part, after 3-4 h at 400°CMo-compd. formation ceased, residue crytn. on furnace temp. raising to 450°C; compounds sepn.; elem. anal.;	A n/a B 99%

...Expand

: 109-99-9
tetrahydrofuran

: [U(N,N'-bis(3-methoxysalicylidene)-(2,2-dimethyl-1,3-propanediamine)(-2H))2]

: 10026-10-5
uranium(IV) chloride

: 831194-98-0
[U(N,N'-bis(3-methoxysalicylidene)-(2,2-dimethyl-1,3-propanediamine)(-2H))Cl2(THF)]

Conditions

Conditions	Yield
In tetrahydrofuran-d8 (Ar); std. Schlenk technique; mixt. of U complex and UCl4 in THF-d8 was heated at 50°C for 12 h;	99%

...Expand

: 109-99-9
tetrahydrofuran

: lithium bis(diphenylthiophosphinoyl)methanediide

: 10026-10-5
uranium(IV) chloride

: 1223591-44-3
[UCl4(C(PSPh2)2)(Li(THF)2)2]

Conditions

Conditions	Yield
In tetrahydrofuran; toluene (Ar); addn. of 1 equiv. of phosphine sulfide deriv. in toluene to THF soln. of 1 equiv. of uranium compd., stirring at 20°C for 5 min; evapn., NMR;	98%

...Expand

: 109-99-9
tetrahydrofuran

: [U((Ph2P(=S))2C)2(THF)2]

: 10026-10-5
uranium(IV) chloride

: 1223591-45-4
[U((Ph2P(=S))2C)Cl2(THF)2]

Conditions

Conditions	Yield
In tetrahydrofuran (Ar); mixing uranium compds. in 1:1 molar ratio in THF, keeping at 20°C for 3 h; evapn., elem. anal.;	98%

...Expand

: 109-99-9
tetrahydrofuran

: 14633-92-2
bis(diphenylthiophosphoryl)methane

: 10026-10-5
uranium(IV) chloride

: [U((Ph2P(=S))2C)2(THF)2]

Conditions

Conditions	Yield
With LiCH2SiMe3 In tetrahydrofuran byproducts: LiCl; (Ar); std. Schlenk technique; Li compd. (4 equiv.) was added to mixt. ofUCl4 (1 equiv.) and H2C(Ph2PS)2 (2 equiv.) in THF; stirred at 20.degree .C for 3 h; evapd.; extd. (toluene); evapd.;	98%

...Expand

: 109-99-9
tetrahydrofuran

: lithium bis(diphenylthiophosphinoyl)methanediide

: 10026-10-5
uranium(IV) chloride

: [Li2(THF)4U((Ph2P(=S))2C)Cl4]

Conditions

Conditions	Yield
In tetrahydrofuran; toluene (Ar); std. Schlenk technique; soln. of Li salt in toluene was poured with stirring into soln. of UCl4 in THF; stirred at 20°C for 5 min; evapd.; elem. anal.;	98%

...Expand

: [U((Ph2P(=S))2C)2(THF)2]

: 10026-10-5
uranium(IV) chloride

: 1223591-45-4
[U((Ph2P(=S))2C)Cl2(THF)2]

Conditions

Conditions	Yield
In tetrahydrofuran (Ar); std. Schlenk technique; mixt. of U compd. (1 equiv.) and UCl4 (1 equiv.) in THF was reacted at 20°C for 3 h; evapd.; elem. anal.;	98%

: 110-86-1
pyridine

: 149693-03-8
[Cu(N,N'-bis(3-hydroxysalicylidene)-1,2-phenylenediamine(-2H))]

: 10026-10-5
uranium(IV) chloride

: [Cu(N,N'-bis(3-hydroxysalicylidene)-1,2-phenylenediamine-4H)(pyridine)UCl2(pyridine)2]

Conditions

Conditions	Yield
In pyridine all manipulations under Ar atm.; mixt. of Cu compd. and UCl4 heated in py at 80°C for 12 h; filtered, washed with py, dried in vac.; elem. anal.;	97%

...Expand

: 10026-10-5
uranium(IV) chloride

: 2K(1+)*C8H7CHCH2(2-)=K2C8H7CHCH2

: 37274-09-2
U(C8H7CHCH2)2

Conditions

Conditions	Yield
In tetrahydrofuran extraction with cyclohexane;	97%
In tetrahydrofuran extraction with cyclohexane;	97%

: 109-99-9
tetrahydrofuran

: [(Li(diethyl ether))2U(C(PSPh2)2)3]

: 10026-10-5
uranium(IV) chloride

: [U((Ph2P(=S))2C)2(THF)2]

Conditions

Conditions	Yield
In tetrahydrofuran byproducts: LiCl; (Ar); mixing 1 equiv. of uranium tetachloride and 1 equiv. of uranium carbene deriv. in THF, keeping at 20°C for 4 h; evapn., extn. (toluene), evapn., drying in vac., elem. anal.;	97%

...Expand

: 110-71-4
1,2-dimethoxyethane

: 146687-48-1
dichlorobis(η-tetramethylphospholyl)uranium(IV)

: 10026-10-5
uranium(IV) chloride

: 155706-45-9
{(dimethoxyethane)(η5-tetramethylphospholyl)uranium trichloride}

Conditions

Conditions	Yield
In 1,2-dimethoxyethane (under Ar) a flask is charged with UCl4, the U-Complex and DME is condensed into it under vac. at -78°C, mixt. is stirred for 2 h at 20°C; soln. is evapd. to dryness;	96%

...Expand

: 109-99-9
tetrahydrofuran

: lithium bis(diphenylthiophosphinoyl)methanediide

: 10026-10-5
uranium(IV) chloride

: [U((Ph2P(=S))2C)2(THF)2]

Conditions

Conditions	Yield
In tetrahydrofuran; toluene (Ar); std. Schlenk technique; soln. of Li salt (2 equiv.) in toluene waspoured with stirring into soln. of UCl4 in THF; stirred at 20°C for 5 min; evapd.; extd. (toluene); evapd. (vac.); elem. anal.;	96%
In tetrahydrofuran; toluene (Ar); addn. of 2 equiv. of phosphine sulfide deriv. in toluene to THF soln. of 1 equiv. of uranium compd., stirring at 20°C for 5 min; evapn., extn. (toluene), evapn., drying in vac., elem. anal.;	95%

...Expand

: C60H57Li3N4Si3

: 10026-10-5
uranium(IV) chloride

: C60H57ClN4Si3U

Conditions

Conditions	Yield
In tetrahydrofuran at -78 - 20℃; for 16.0833h; Reflux;	96%

: 816-43-3
lithium diethylamide

: 10026-10-5
uranium(IV) chloride

: 34480-05-2
dipotassium cyclooctatetraenide

: 152249-43-9
[(η(8)-C8H8)U(NEt2)3]

Conditions

Conditions	Yield
With TlBPh4 In tetrahydrofuran (argon); condensing THF at -78°C under vac. to UCl4 and LiNEt2, stirring (20°C, 5 h), addn. of K2C8H8, after 90 min addn. of TlBPh4, reacting further 90 min; evapn., extn. (pentane), evapn.; elem. anal.;	95%

...Expand

: 1003-73-2
3-picoline-N-oxide

: 10026-10-5
uranium(IV) chloride

: {(3-picoline-N-oxide)2(ethanol)2uranium(IV) tetrachloride}

Conditions

Conditions	Yield
With C2H5OH In ethanol addn. of the ligand in ice-cold abs. EtOH to the U compd. in abs. EtOH under a flow of dry and oxygen-free N2 (Schlenk technique); addn. of dry EtO2, filtn. under anhydrous condition, washing with abs. EtOH-THF and ether and drying in vac.; elem. anal.;	95%

: 109-99-9
tetrahydrofuran

: 188482-90-8
N,N′-bis(3-methoxysalicylidene)-2,2-dimethyl-1,3-propanediamine

: 10026-10-5
uranium(IV) chloride

: 831194-98-0
[U(N,N'-bis(3-methoxysalicylidene)-(2,2-dimethyl-1,3-propanediamine)(-2H))Cl2(THF)]

Conditions

Conditions	Yield
In tetrahydrofuran-d8 byproducts: HCl; (Ar); std. Schlenk technique; mixt. of ligand (1 equiv.) and UCl4 in THF-d8 in NMR tube was heated at 50°C for 24 h; elem. anal.;	95%

...Expand

: [K(diethyl ether)][SPS(Me)]

: 10026-10-5
uranium(IV) chloride

: [UCl2(SPS(Me))2]

Conditions

Conditions	Yield
In tetrahydrofuran byproducts: KCl; (Ar); stirred for 4 h at 20°C; filtered, evapd., extd (THF), filtered, concd., Et2O added, crystd. for 24 h, filtered off, dried (vac.); elem. anal.;	95%

Uranium tetrachloride Chemical Properties

IUPAC Name: Tetrachlorouranium
Synonyms of Uranium tetrachloride (CAS NO.10026-10-5) : Uranium chloride (UCl4) ; Uranium(IV) chloride
InChI: InChI=1/4ClH.2U/h4*1H;;/q;;;;2*+2/p-4
CAS NO:10026-10-5
Molecular Formula:Cl₄U₂
Molecular Weight :617.8698
Molecular Structure :
EINECS: 233-057-7

Uranium tetrachloride Uses

Uranium tetrachloride (CAS NO.10026-10-5) is used as feed in the electromagnetic isotope separation (EMIS) process of uranium enrichment.

Uranium tetrachloride Production

Uranium tetrachloride (CAS NO.10026-10-5) is produced commercially by the reaction of carbon tetrachloride with pure uranium dioxide UO₂ at 370°C.

Uranium tetrachloride Consensus Reports

Reported in EPA TSCA Inventory.

Uranium tetrachloride Safety Profile

Probably a poison. When heated to decomposition it emits toxic fumes of Cl⁻. See also URANIUM.

Uranium tetrachloride Standards and Recommendations

OSHA PEL: TWA 0.05 mg(U)/m³
ACGIH TLV: TWA 0.2 mg(U)/m³; STEL 0.6 mg(U)/m³

Uranium tetrachloride Specification

Uranium tetrachloride (CAS NO.10026-10-5) is radioactive and is soluble in water.

Product Name

URANIUM CHLORIDE

Synthetic route

Uranium tetrachloride Chemical Properties

Uranium tetrachloride Uses

Uranium tetrachloride Production

Uranium tetrachloride Consensus Reports

Uranium tetrachloride Safety Profile

Uranium tetrachloride Standards and Recommendations

Uranium tetrachloride Specification

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