Tantalum(V) fluoride
Tantalum(V) fluoride (CAS: 7783-71-3, TaF5) is a white, crystalline solid chemical compound with a molecular weight of 275.94 g/mol. It is primarily used in catalysis and chemical synthesis, with applications also noted in materials science and inorganic chemistry research. Supplied by Tech Serve Solutions, this compound serves as an essential chemical reagent for advanced scientific and industrial applications.
- IUPAC
- Tantalum pentafluoride

Catalysis
Tantalum(V) fluoride acts as a Lewis acid catalyst in various organic transformations. Its properties make it suitable for promoting specific chemical reactions in synthetic organic chemistry and polymerisation processes.
Chemical Synthesis
This compound is a valuable reagent in the synthesis of organometallic compounds and other complex inorganic structures. It can be employed in reactions requiring a strong Lewis acidic metal fluoride.
Materials Science
Tantalum(V) fluoride can be utilised in the development and processing of advanced materials, potentially in the formation of tantalum-containing thin films or ceramics.
Research Reagent
As a research essential, TaF5 is used in academic and industrial laboratories for exploring novel chemical reactions and material properties related to tantalum chemistry.
| Molecular weight | 275.94 |
|---|---|
| Linear formula | TaF5 |
| Assay | 98% |
| Form | powder |
| Density | 4.74 g/mL at 25 °C(lit.) |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- 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 3260 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-27-28-36/37/39-45 |
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 Tantalum(V) fluoride used for?
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Tantalum(V) fluoride (TaF5) is primarily used as a catalyst in chemical synthesis and for applications in materials science and inorganic chemistry research.
What are the CAS number and chemical formula for Tantalum(V) fluoride?
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The CAS number for Tantalum(V) fluoride is 7783-71-3, and its chemical formula is TaF5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tantalum(V) fluoride with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should Tantalum(V) fluoride be handled safely?
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Tantalum(V) fluoride is a Danger substance that causes severe skin burns and eye damage (H314). Always use appropriate personal protective equipment, including eyeshields, faceshields, gloves, and suitable respiratory protection. Handle in a well-ventilated area and avoid contact with skin, eyes, and clothing.
Is Tantalum(V) fluoride shipped internationally?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Tantalum(V) fluoride.
How can I request a sample or quote for Tantalum(V) fluoride?
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To request a sample or quote, please contact our sales team through the website or by phone, providing the product name and CAS number (7783-71-3).
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