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14052 Tantalum(V) fluoride, 99.9% (metals basis)

CAS Number
7783-71-3
Synonyms
Tantalum pentafluoride

Stock No. Size Price ($) Quantity Availability
14052-09 10g 134.00
14052-18 50g 546.00
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Tantalum(V) fluoride, 99.9% (metals basis)

MDL
MFCD00042542
EINECS
232-022-3

Chemical Properties

Formula
TaF5
Formula Weight
275.94
Form
Powder
Melting point
96.8°
Boiling Point
229.5°
Density
4.74
Storage & Sensitivity
Moisture Sensitive. Store under Argon. Ambient temperatures.
Solubility
Decomposes in water forming tantalum oxyfluoride. Soluble in conc. and fuming HNO{3}Soluble in carbon disulfide, carbon tetrachloride and chloroform. Slightly soluble in acetic acid and ethanol.

Applications

Tantalum(V) fluoride is used as a Friedel-Crafts catalyst. It combines with hydrogen fluoride and acts as a catalyst for the alkylation of alkanes and alkenes as well as the protonation of aromatic compounds.

Notes

Moisture sensitive. Incompatible with strong oxidizing agents and strong bases.

Literature References

Levason, W.; Light, M. E.; Reid, G.; Zhang, W. Soft diphosphine and diarsine complexes of niobium(V) and tantalum(V) fluorides: synthesis, properties, structures and comparisons with the corresponding chlorides. Dalton Trans. 2015, 43 (25), 9557-9566.

Song, M. Y.; Kwak, Y. J.; Lee, S. H.; Park, H. R. Hydriding and dehydriding rates of Mg, Mg-10TaF5, and Mg-10NbF5 prepared via reactive mechanical grinding. Met. Mater. Int. 2015, 21 (1), 208-212.

GHS Hazard and Precautionary Statements

Hazard Statements: H302-H312-H332-H314-H318

Harmful if swallowed. Harmful in contact with skin. Harmful if inhaled. 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
14,9055
Hazard Class
8
Packing Group
II
Harmonized Tariff Code
2826.19
TSCA
Yes
RTECS
WW5775000

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