Atomfair Tantalum(V) Chloride Powder (TaCl₅), 99.9% Purity, Approx. -100 Mesh
Product Description
Atomfair tantalum(V) chloride (TaCl₅) is supplied as white monoclinic crystals with 99.9% purity and an approximately -100 mesh specification. It is intended for research on starting-material studies in tantalum chemistry.
Technical Specifications
| PARAMETER DETAILS | |
|---|---|
| Product | Tantalum(V) Chloride Powder (TaCl5) |
| Material | Tantalum(V) Chloride |
| Chemical Formula | TaCl5 |
| CAS Number | 7721-01-9 |
| Purity | 99.9% |
| Specification | Approximately -100 mesh |
| Physical State | Powder |
| Appearance | White monoclinic crystals |
| Water Reactivity | Reacts with water |
| EC / EINECS Number | 231-755-6 |
| Molar Mass | 358.213 g/mol |
| Density | 3.68 g/cm³ |
| Melting Point | 216 °C |
| Boiling Point | 239.4 °C (decomposes) |
| Crystal Structure | Monoclinic, mS72 |
| Solubility | Soluble in chloroform and CCl₄ |
Key Features and Advantages
- 99.9% purity.
- Approximately -100 mesh specification.
- White monoclinic crystals.
- Water Reactivity: Reacts with water.
APPLICATION SCOPE: starting-material studies in tantalum chemistry
DOCUMENTATION: COA and SDS can be provided upon request for batch-specific confirmation.
TAILORED SOLUTIONS FOR RESEARCH
For product specifications and quotation support, contact the Atomfair team.
Tantalum(V) chloride is a water-reactive material requiring strict moisture exclusion during storage and handling. Direct exposure to water or humid air must be avoided to prevent decomposition or a hazardous reaction.
- Water Reactivity: This powder reacts with water and must never be allowed to contact aqueous or humid environments.
- Containment: Store this material in a sealed container under dry conditions to prevent moisture ingress.
- Safety Documentation: Refer to the batch-specific SDS and COA for confirmed safety and handling information.
What is the significance of the -100 mesh specification for TaCl₅ powder in synthesis applications?
The -100 mesh specification indicates that the powder particles are less than 149 µm, providing a consistent surface area for reaction kinetics. This is directly relevant for starting-material studies in tantalum chemistry, where the white monoclinic crystals are intended to be used as received. The 99.9% purity further ensures minimal contamination in sensitive syntheses.
How should tantalum(V) chloride be handled to prevent hydrolysis given its water reactivity?
TaCl₅ reacts vigorously with water, so it must be stored and handled under a dry, inert atmosphere (e.g., argon or nitrogen glovebox) in airtight containers. It is soluble in anhydrous chloroform and CCl₄, which can be used as solvents without causing hydrolysis. Consult the provided SDS and COA for batch-specific handling and storage conditions.
What is the thermal stability range of TaCl₅ for vapor deposition or sublimation processes?
TaCl₅ melts at 216 °C and decomposes at its boiling point of 239.4 °C, limiting its thermal processing window. For applications such as chemical vapor deposition, precise temperature control is required to avoid premature decomposition. The monoclinic crystal structure (mS72) and density of 3.68 g/cm³ also influence its sublimation behavior.
Atomfair Tantalum(V) Chloride Powder (TaCl₅) at 99.9% purity and -100 mesh is a suitable starting material for tantalum chemistry research, but requires moisture-free handling and careful thermal management due to water reactivity and decomposition near its boiling point.
Positive
- High purity for precursor studies: 99.9% purity minimizes contamination in tantalum chemistry starting-material research, ensuring reproducible results.
- Fine mesh for homogeneous reactions: Approximately -100 mesh provides consistent particle size, promoting uniform dissolution in chloroform or CCl₄ and controlled reaction kinetics.
Trade-offs
- Moisture-sensitive handling required: Reacts with water, necessitating inert atmosphere or dry conditions to prevent hydrolysis and maintain material integrity.
- Thermal decomposition near boiling: Decomposes at 239.4°C, limiting high-temperature processing without degradation; melting point at 216°C offers a narrow liquid-phase window.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).






