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14164 Tantalum(V) chloride, 99.8% (metals basis)

CAS Number
7721-01-9
Synonyms
Tantalum pentachloride

Stock No. Size Price ($) Quantity Availability
14164-06 5g 36.90
14164-14 25g 110.00
14164-22 100g 324.00
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Tantalum(V) chloride, 99.8% (metals basis)

MDL
MFCD00011253
EINECS
231-755-6

Chemical Properties

Formula
TaCl5
Formula Weight
358.21
Form
Powder, Ampouled under argon
Melting point
216°
Boiling Point
242°
Density
3.68
Storage & Sensitivity
Moisture Sensitive. Ambient temperatures.
Solubility
Decomposes in water. Soluble in absolute alcohol and KOH. Soluble in ether, carbon tetrachloride, sulfuric acid and potassium hydroxide. Slightly soluble in ethanol.

Applications

In chlorination of organic substances, as an intermediate, and in the production of pure metalTantalum(V) chloride 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. It acts as a starting material for new edge-bridged octahedral M6 cluster compounds. It is involved in the preparation of tantalum(V) oxychloride, tantalum pentoxide. It is electrophilic and behaves like a Friedel-Crafts type catalyst, similar to aluminum(III) chloride.

Notes

Moisture sensitive. Incompatible with water and strong oxidizing agents.

Literature References

Babushkina, O. B.; Ekres, S. Spectroscopic study of the electrochemical behaviour of tantalum (V) chloride and oxochloride species in 1-butyl-1-methylpyrrolidinium chloride. Electrochim. Acta 2010, 56 (2), 867-877.

Kirihara, M.; Noguchi, T.; Okajima, N.; Naito, S.; Ishizuka, Y.; Harano, A.; Tsukiji, H.; Takizawa, R. Deprotection of dithioacetals with 30% hydrogen peroxide catalyzed by tantalum(V) chloride-sodium iodide or niobium(V) chloride-sodium iodide. Tetrahedron 2012, 68 (5), 1515-1520.

GHS Hazard and Precautionary Statements

Hazard Statements: H302-H314-H318

Harmful if swallowed. Causes severe skin burns and eye damage. Causes serious eye damage.

Precautionary Statements: P260u-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501a

Do not breathe dusts or mists. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Merck
14,9054
Hazard Class
8
Packing Group
III
Harmonized Tariff Code
2827.39
TSCA
Yes
RTECS
WW5600000

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