Tantalum(V) chloride

Synonym: Tantalum pentachloride, Pentachlorotantalum, TaCl5

CAS Number 7721-01-9 | MDL Number MFCD00011253 | EC Number 231-755-6

Tantalum pentachloride-Chemical-Structure

Product codeTA1019
CAS number7721-01-9
Assay (purity)99.9%+
Purity methodby titration: %Cl=48.7-50.7 with AgNO3
Metal purity99.99%+-Ta
Molecular weight358.21
Appearancewhite powder
Melting point216.5 to 220°C (421.7 to 428°F)
Sensitivityair, moisture
Molecular formulaCl5Ta
Linear formulaTaCl5
Packagingglassware/metal containers/bubblers

Tantalum(V) chloride is an excellent water soluble crystalline Tantalum source for uses compatible with chlorides. Chloride compounds can conduct electricity when fused or dissolved in water. Chloride materials can be decomposed by electrolysis to chlorine gas and the metal. They can form either inorganic or organic compounds. TaCl5 is used in the preparation of catalyst for the polycyclotrimerizations of alkenediynes, chloro-aryloxide compounds and for the plasma-enhanced atomic layer deposition of tantalum nitride films. This product is involved in the preparation of tantalum(V) oxychloride. It is electrophilic and behaves like a Friedel-Crafts type catalyst.

Ereztech manufactures and sells this product in small and bulk volumes. Glass ampules, bottles or metal ampules or bubblers are available for packaging. For additional analytical information or details about purchasing Tantalum(V) chloride contact us at sales@ereztech.com

Safety information

Hazardous class8
Packing groupII
Signal wordDANGER
Hazard statements
Precautionary statementsP280-P305 + P351 + P338-P310
Transport descriptionCORROSIVE SOLID, ACIDIC, INORGANIC, N.O.S. (Tantalum pentachloride)
In TSCA registryYes

First Aid Measures

General adviceConsult a physician. Show this safety data sheet to the doctor in attendance. Move out of dangerous area.
Eye contactRinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
Skin contactWash off with soap and plenty of water. Consult a physician.
InhalationIf breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
If swallowedDo NOT induce vomiting. Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.


Certificates of analysis (CoA)

If you don’t see the needed lot of Tantalum(V) chloride below please contact customer support at sales@ereztech.com

Lot# 010/299 Lot# 010/301 Lot# 010/302 Lot# 010/304

External identifiers for Pentachlorotantalum 

Pubchem CID24394
IUPAC Namepentachlorotantalum
InchI IdentifierInChI=1S/5ClH.Ta/h5*1H;/q;;;;;+5/p-5

Known applications and external links

With Tantalum(V) chloride other customers often ask:

Ereztech synthesizes and sells additional Ta-compounds.

To purchase Tantalum(V) chloride contact us at sales@ereztech.com