Basic information
- CAS
13470-20-7- Standard SMILES
[Br][U]([Br])([Br])[Br]- InChIKey
IMNIORQANNGBDO-UHFFFAOYSA-J- Molecular formula
- Br4U
- Average molar mass
- 557.64 g/mol
- Monoisotopic mass
- 553.72414
Names & identifiers
- Preferred name
- Uranium bromide (UBr4)
- IUPAC
- tetrabromouranium
- English name
- uranium tetrabromide
- Molecular formula
- Br4U
- Molecular weight
- 557.64491
Names & synonyms
Uranium tetrabromideUranium bromideUranium bromide (UBr4)13470-20-7L5RKW38SRRDTXSID4065496EINECS 236-734-5Uranium bromide (UBr4), (T-4)-RefChem:901158DTXCID7034254236-734-5tetrabromouranium
Show more names
Uranium(IV) bromide.Uran(IV) tetrabromide
uranium(4+) tetrabromideUBr4UNII-L5RKW38SRRSCHEMBL1538731Q7899711
Database identifiers
- CAS
13470-20-7- PubChem CID
- 83507
- DTXSID
DTXSID4065496- UNII
- L5RKW38SRR
- EC Number
- 236-734-5
Properties
Computed structural properties
- Topological polar surface area
- 0 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 0
- Rotatable bonds
- 0
- Heavy atoms
- 5
- Formal charge
- 0
- Complexity
- 19.1
Experimental & physicochemical properties
Chemical ClassesPhysical/Radiation -> Radioactive Compounds
Physicochemical properties
- Melting point
- 519 °C · 519°C
- Boiling point
- 778.62 °C · 778.62°C (estimate)
- Density
- 5.35 · 5.35 [CRC10]
- solubility
- 2 O, · soluble in H2O, ethanol
- form
- brown hygroscopic crystals
- color
- brown hygroscopic crystals, crystalline
- FDA UNII
- 5 RKW38SRR · L5RKW38SRR
- EPA Substance Registry System
- Uranium bromide (UBr4) (13470-20-7)
- TSCA
- TSCA listed
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
Hazard information
Hazards SummarySee Bromine. See Uranium and the linked occupational disease.
Safety & protection
Exposure Control and Personal ProtectionBiological Exposure Indices (BEI) [ACGIH] - Uranium in urine = 200 ug/L at end of shift; [ACGIH]
Threshold Limit Values (TLV)
0.2 [mg/m3], as U
0.6 [mg/m3], as U
Permissible Exposure Limit (PEL)0.05 [mg/m3], as U (sol), 0.25 mg/m3, as U (insol)
Immediately Dangerous to Life or Health (IDLH)10.0 [mg/m3], as U
Toxicology
Adverse EffectsNephrotoxin - The chemical is potentially toxic to the kidneys in the occupational setting.
Safety data
- tsca
- TSCA listed
Chemistry & industry
Uses & manufacturing
General Manufacturing InformationUranium bromide (UBr4), (T-4)-: INACTIVE
Preparation methods
PreparationUranium tetrabromide can be prepared by brominating a mixture of UO3 and charcoal.
Suppliers2 total
陕西缔都新材料有限公司029-63373950 17392216152 · [email protected]
Shaanxi Didu New Materials Co. Ltd+86-86-17392712779 +86-13289823923 · [email protected]
Related reactions
0 records
No reaction records under the current filter.
Compound notes
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