Tantalum
Tantalum (Ta), CAS No. 7440-25-7, is a ductile, lustrous, grey-blue metal with an exceptionally high melting point and excellent corrosion resistance. Its high density and unique electrochemical properties make it valuable. TSS supplies Tantalum powder with a minimum assay of 99.9%. Its applications span catalysis, materials science, and chemical synthesis, where its inertness and thermal stability are critical.
- IUPAC
- Ta
Catalysis
Tantalum and its compounds can serve as catalysts or catalyst supports in various chemical reactions due to their inertness and high-temperature stability.
Chemical Synthesis
It is employed in specialized chemical synthesis processes where resistance to corrosive environments and high thermal stability are required.
Materials Science
Tantalum's properties make it useful in advanced materials, including alloys and coatings, for applications demanding high performance and durability.
High-Temperature Applications
Due to its very high melting point, Tantalum is utilised in components for high-temperature furnaces and equipment.
| Molecular weight | 180.95 |
|---|---|
| Empirical formula | Ta |
| Assay | 99.9% |
| Form | powder |
| Boiling point | 5425 °C(lit.) |
| Density | 16.69 g/cm3(lit.) |
| Vapour pressure | <0.01 mmHg (537.2 °C) |
| Melting point | 2996 °C(lit.) |
| Autoignition temp | 572 °F |
| Particle size | 60-100 mesh |
Hazard statements
- H228Flammable solid
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Transport (UN / ADR) | UN 3089 4.1 / PGII |
|---|---|
| Water hazard class (WGK, DE) | nwg |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 11-36/37/38 |
| Safety statements (S) | 26-36/37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Resistivity | 13.5 μΩ-cm, 20°C |
|---|---|
| Thickness | 0.05 mm |
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 (CAS 7440-25-7) used for?
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Tantalum (Ta), CAS 7440-25-7, is used in catalysis, chemical synthesis, materials science, and high-temperature applications due to its high melting point and corrosion resistance.
What is the CAS number and chemical formula for Tantalum?
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The CAS number for Tantalum is 7440-25-7, and its chemical formula is Ta.
What grade and purity does Tech Serve Solutions supply for Tantalum?
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Tech Serve Solutions supplies Tantalum powder with an assay of 99.9%. TSS does not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should Tantalum powder be handled safely?
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Tantalum powder is flammable (H228) and may cause skin (H315), eye (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area, keeping away from ignition sources.
Is Tantalum powder shipped internationally?
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Yes, Tech Serve Solutions exports and ships Tantalum powder globally, adhering to all relevant transportation regulations (UN 3089 4.1 / PGII).
How can I request a quote or sample for Tantalum?
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To request a quote or a sample of Tantalum powder, please contact the Tech Serve Solutions sales team through our website or by phone.
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