Thallium(I) bromide
Thallium(I) bromide (CAS: 7789-40-4) is an inorganic compound with the linear formula TlBr and a molecular weight of 284.29 g/mol. Supplied by Tech Serve Solutions as a high-purity solid (99.999% trace metals basis), it finds application in specialized areas of catalysis, chemical synthesis, and materials science. Its unique properties also lend themselves to research essential in metal and ceramic science investigations.
- IUPAC
- Thallium monobromide,Thallous bromide
- Synonyms
- Thallium monobromideThallous bromide

Catalysis and Inorganic Chemistry
Thallium(I) bromide can be employed as a reagent or component in catalytic systems for specific organic transformations. It serves as a source of thallium ions in various inorganic synthesis procedures.
Materials Science
This compound is utilised in materials science for the development of novel optical and electronic materials. Its properties are investigated for applications in solid-state devices and specialised coatings.
Chemical Synthesis
Thallium(I) bromide acts as a valuable intermediate or reagent in multi-step chemical syntheses. It facilitates specific chemical reactions where thallium incorporation is required.
Research and Development
It serves as a key research chemical for investigations in inorganic, materials, and physical chemistry. Researchers utilise TlBr to explore fundamental chemical principles and novel applications.
| Molecular weight | 284.29 |
|---|---|
| Linear formula | TlBr |
| Assay | 99.999% trace metals basis |
| Form | solid |
| Density | 7.5 g/mL at 25 °C(lit.) |
| Particle size | −10 mesh |
| Melting point | >300 °C(lit.) |



Hazard statements
- H300Fatal if swallowed
- H330Fatal if inhaled
- H373May cause damage to organs through prolonged exposure
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P264Wash thoroughly after handling
- P273Avoid release to the environment
- P284Wear respiratory protection
- P301IF SWALLOWED
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 1707 6.1 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T+,N |
| Risk statements (R) | 26/28-33-51/53 |
| Safety statements (S) | 13-28-45-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Thallium(I) bromide used for?
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Thallium(I) bromide is used in catalysis, inorganic chemistry, chemical synthesis, materials science, and research and development.
What is the CAS number and formula for Thallium(I) bromide?
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The CAS number is 7789-40-4 and the linear formula is TlBr.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Thallium(I) bromide with an assay of 99.999% trace metals basis. This is a high-purity grade suitable for research and specialised applications. TSS does not represent this product as USP, BP, or EP grade.
How should Thallium(I) bromide be handled?
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Thallium(I) bromide is acutely toxic if swallowed or inhaled and may cause damage to organs through prolonged or repeated exposure. It is also toxic to aquatic life with long-lasting effects. Handle with extreme care using appropriate personal protective equipment, including a dust mask (NIOSH N95), eyeshields, face shields, gloves, and a P2 respirator cartridge. Ensure good ventilation.
Is Thallium(I) bromide a controlled substance?
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While specific scheduling can vary by jurisdiction, thallium compounds are subject to regulatory controls due to their toxicity. Always comply with local and national regulations regarding the purchase, handling, and disposal of this substance.
How is Thallium(I) bromide typically packed and shipped?
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Thallium(I) bromide is packed and shipped in accordance with international regulations for hazardous materials, classified under UN 1707, Class 6.1, Packing Group II.
How can I request a sample or a quote?
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To request a sample or obtain a quotation, please contact the Tech Serve Solutions sales team through our website or by direct inquiry, providing your specific requirements.
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