Thallium(III) oxide
Thallium(III) oxide (CAS: 1314-32-5, Tl2O3) is a high-purity inorganic compound with a molecular weight of 456.76 g/mol. Supplied by Tech Serve Solutions as a powder with an assay of 99.99% trace metals basis, it finds utility in specialised applications within catalysis, materials science, and chemical synthesis, particularly where thallium's unique properties are required. Handle with extreme care due to its toxicity.

Catalysis
Thallium(III) oxide can function as a component in catalytic systems, leveraging thallium's oxidation states and reactivity for specific chemical transformations. Its use is typically limited to research and development settings requiring precise control.
Materials Science
This oxide serves as a precursor or additive in the development of advanced materials. Its incorporation can influence the electrical, optical, or magnetic properties of resulting compounds and composites.
Chemical Synthesis
Used as a reagent in specialised synthetic routes, Thallium(III) oxide can participate in oxidation reactions or serve as a source of thallium ions. It is primarily employed in laboratory-scale research.
| Molecular weight | 456.76 |
|---|---|
| Linear formula | Tl2O3 |
| Assay | 99.99% trace metals basis |
| Form | powder |
| Melting point | 717 °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 | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (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(III) oxide used for?
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Thallium(III) oxide is used in specialised applications within catalysis, materials science, and chemical synthesis, particularly in research and development settings.
What is the CAS number and formula for Thallium(III) oxide?
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The CAS number for Thallium(III) oxide is 1314-32-5, and its chemical formula is Tl2O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Thallium(III) oxide with an assay of 99.99% trace metals basis. We do not represent this product as USP, BP, or EP grade.
How should Thallium(III) oxide be handled safely?
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Thallium(III) oxide is highly toxic and poses significant health risks. Strict adherence to safety protocols is mandatory, including the use of appropriate personal protective equipment (full-face respirator, gloves, eye/face shields) and containment measures to prevent inhalation or contact.
Is Thallium(III) oxide a controlled substance?
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Thallium compounds are subject to strict regulatory controls due to their toxicity. Please consult your local regulations regarding handling, possession, and transport. TSS complies with all relevant export and safety regulations.
How is Thallium(III) oxide packed, shipped, and exported?
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Thallium(III) oxide is packed securely in compliance with international transport regulations for hazardous materials. As a global supplier, TSS professionally handles all aspects of export documentation and logistics.
How can I request a quote or sample for Thallium(III) oxide?
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To request a quote or a sample of Thallium(III) oxide, please contact our sales department via the website or direct email, providing your full contact details and delivery address.
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