Potassium heptafluorotantalate(V)
Potassium heptafluorotantalate(V) (CAS: 16924-00-8), with the chemical formula K ₂ TaF ₇ , is a key inorganic compound with a molecular weight of 392.13 g/mol. Supplied by Tech Serve Solutions as a 99% pure powder, this essential chemical finds its primary application in the electrochemical synthesis of tantalum diboride (TaB ₂ ). It is an important material for research and advanced material science.
- IUPAC
- Dipotassium heptafluorotantalate

Electrochemical Synthesis of Tantalum Diboride
Potassium heptafluorotantalate(V) serves as a crucial precursor in the electrochemical synthesis of tantalum diboride (TaB ₂ ). This process is vital for producing advanced ceramic materials with unique properties.
Materials Science Research
As a specialized compound, K ₂ TaF ₇ is utilised in various materials science research endeavours. Its properties make it valuable for exploring new material compositions and synthesis techniques.
Inorganic Chemistry Studies
This compound is employed in academic and industrial research settings for studies in inorganic chemistry, particularly concerning tantalum and fluorine chemistry.
| Molecular weight | 392.13 |
|---|---|
| Linear formula | K2TaF7 |
| Assay | 99% |
| Form | powder |
| Density | 4.56 g/mL at 25 °C(lit.) |
| Solubility | H2O: slightly soluble(lit.) |
| Application | Used in the electrochemical synthesis of TaB2.1,2 |

Hazard statements
- H301Toxic if swallowed
- H331Toxic if inhaled
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P301IF SWALLOWED
- P311Call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3288 6.1 / PGIII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | T |
| Risk statements (R) | 23/25 |
| Safety statements (S) | 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 Potassium heptafluorotantalate(V) primarily used for?
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Potassium heptafluorotantalate(V) is primarily used in the electrochemical synthesis of tantalum diboride (TaB ₂ ).
What is the CAS number and chemical formula for Potassium heptafluorotantalate(V)?
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The CAS number is 16924-00-8, and the chemical formula is K ₂ TaF ₇ .
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Potassium heptafluorotantalate(V) with an assay of 99%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the main safety concerns when handling Potassium heptafluorotantalate(V)?
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Potassium heptafluorotantalate(V) is classified as toxic if swallowed or inhaled (H301-H331). Appropriate personal protective equipment, including eyeshields, faceshields, gloves, and P2 respirator cartridges, must be used. Handle with extreme care in a well-ventilated area.
How is Potassium heptafluorotantalate(V) packed and shipped?
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This chemical is packed and shipped according to international regulations for hazardous materials, identified under UN 3288, Class 6.1, Packing Group III. We export globally.
How can I request a quote or a sample?
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To request a quote or a sample of Potassium heptafluorotantalate(V), please contact our sales department via the website or direct email, providing your specific requirements.
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