Uranium Tetrabromide SDS


Name: Uranium tetrabromide

Synonyms: Uranium (IV) bromide, uranium bromide

Formula: UBr4


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Description: Brown hygroscopic crystals.


  • CAS RN: [13470-20-7]
  • NIH PubChem CID: 83507
  • EC (EINECS/ELINCS): 236-734-5
  • UN (DOT): 2909
  • Beilstein/Gmelin: 26517 (G)
  • Canada DSL/NDSL: NDSL
  • US TSCA: Listed


  • Hill System Formula: Br4U1
  • Formula Mass: 557.645
  • Melting Point, °C:  519°C
  • Boiling Point, °C: 791°C
  • Vapor Pressure, mmHg: 33.15 (595.9°C)
  • Density, kg m-3: 5190 kg m-3
  • Heat of Fusion: 28.30 kJ/mol


  • Storage: Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources, and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
  • Handling: All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
  • Protection: Wear appropriate protective gloves, clothing, and goggles.
  • Respirators: Wear positive pressure self-contained breathing apparatus (SCBA).
  • Small spills and leaks: Do not touch damaged packages or spilled material. Cover liquid spill with sand, earth, or other noncombustible absorbent material. Cover the powder spill with a plastic sheet or tarp to minimize spreading. Contact the radiation safety officer.
  • Stability: Stable at recommended storage conditions.


Firefighting: The presence of radioactive material will not influence the fire control processes and should not influence the selection of techniques.

  • Small fires: Dry chemical, carbon dioxide, water spray, or regular foam.
  • Large fires: Water spray, fog (flooding amounts).

Fire potential: May burn but does not ignite readily.


Health Exposure Effects

  • Ingestion, skin & eyes: See Inhalation
  • Inhalation: Minimal risk if packaging remains intact. Package damage can result in a measurable release of radiation, but the risk is also still low.

First Aid

  • Ingestion: Medical problems take priority over radiological concerns. Use first aid treatment according to the nature of the injury. Do not delay the care and transport of a seriously injured person.
  • Inhalation: Apply artificial respiration if the patient is not breathing. Administer oxygen if breathing is difficult. See Ingestion.
  • Skin and Eyes: Immediately flush with running water for at least 20 minutes. See Ingestion.


UN Number 2909

Response Guide161

Hazard Class 7

radiation 7


Packing Group:

The classification of substances with multiple hazards must be determined following the criteria presented in the regulations mentioned above. Due to the various quantities and combinations of materials being shipped at one time, the information above must be determined based on the characteristics of the specific shipment.


Copyright 2016 IBI Labs. License granted to make unlimited paper copies for internal use only.

IBI Labs requires that those who receive their materials comply with 29 CFR 1910.1200(h), which mandates that employers provide employees with effective information and training about hazardous chemicals in their workplace.

The contents of this document are believed to be accurate as of the date of revision and are provided in good faith. However, it is recommended that recipients use this information as supplementary and exercise caution and judgment regarding its accuracy and suitability. Please note that IBI Labs cannot accept responsibility for any indirect, incidental, or consequential damage resulting from the use of the information provided in this Safety Data Sheet.

IBI Labs makes no warranties, expressed or implied, including warranties of merchantability and fitness for a particular purpose. This information is provided without warranty, and any use of the product that does not conform to this Safety Data Sheet, or that is used in combination with any other product or process, is the responsibility of the user.

Revision Date: 04/24/2024


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