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| CAS No.: | 10026-10-5 |
|---|---|
| Name: | URANIUM CHLORIDE |
| Article Data: | 122 |
| Molecular Structure: | |
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|
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| Formula: | Cl4U |
| Molecular Weight: | 379.841 |
| Synonyms: | Tetrachlorouranium;Uranium chloride (U2Cl8); Uranium tetrachloride; Uranium(IV) chloride |
| EINECS: | 233-057-7 |
| Density: | g/cm3 |
| Melting Point: | 590° |
| Boiling Point: | °Cat760mmHg |
| Flash Point: | °C |
| Solubility: | very soluble H2O, with decomposition [MER06] |
| Hazard Symbols: | 3 |
| Safety: | Probably a poison. When heated to decomposition it emits toxic fumes of Cl−. See also URANIUM. |
| PSA: | 0.00000 |
| LogP: | 2.75800 |
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| Conditions | Yield |
|---|---|
| Inert atmosphere; Reflux; | 100% |
| Conditions | Yield |
|---|---|
| Stage #1: aluminium trichloride; uranium dioxide at 250℃; for 5h; Sealed tube; Stage #2: at 350℃; for 72h; Sealed tube; | 99% |
| 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; |
- 1888-71-7
perchloropropene
- 10026-10-5
uranium(IV) chloride
| Conditions | Yield |
|---|---|
| In further solvent(s) (N2); standard Schlenk technique; UO2*2H2O was added to hexachloropropene at 190°C; heated at 190°C; UO3*2H2O was carefully added;mixt. was heated at 190°C overnight; cooled to room temp.; filtered; washed (CH2Cl2); dried (vac.); | 98% |
| 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; |
| Conditions | Yield |
|---|---|
| Inert atmosphere; | 55% |
| 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; |
- 10026-10-5
uranium(IV) chloride
| Conditions | Yield |
|---|---|
| With tetrachloromethane |
- 10026-10-5
uranium(IV) chloride
| Conditions | Yield |
|---|---|
| In perchloric acid aq. HClO4; Electrolysis; electrolytic reduction; | |
| In hydrogenchloride Electrolysis; electrolytic reduction; |
- 10026-10-5
uranium(IV) chloride
| Conditions | Yield |
|---|---|
| In diethyl ether photochemical redn.;; | |
| In diethyl ether photochemical redn.;; |
- Total:25 Page 1 of 1 1
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Chemistry
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 :.png)
EINECS: 233-057-7
Uses
Uranium tetrachloride (CAS NO.10026-10-5) is used as feed in the electromagnetic isotope separation (EMIS) process of uranium enrichment.
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.
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Probably a poison. When heated to decomposition it emits toxic fumes of Cl−. See also URANIUM.
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
Specification
Uranium tetrachloride (CAS NO.10026-10-5) is radioactive and is soluble in water.