Tantalum(III) aluminide

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Tantalum(III) aluminide
Other names
tantalum trialuminide
12004-76-1 YesY
EC Number 234-460-0
Jmol 3D model Interactive image
PubChem 6336851
Molar mass 261.893 g/mol
Appearance gray refractory powder
Density 7.02 g/cm3, solid
Melting point 1,400 °C (2,550 °F; 1,670 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Tantalum(III) aluminide (TaAl3) is an inorganic chemical compound. This compound and Ta3Al are stable, refractory, and reflective, and they have been proposed[2] as coatings for use in infrared wave mirrors.


  1. ^ Lide, David R. (1998), Handbook of Chemistry and Physics (87 ed.), Boca Raton, FL: CRC Press, pp. 4–88, ISBN 0-8493-0594-2 
  2. ^ Braun, Hilarion "Substance for front surface mirror" U.S. Patent 5,923,464, Issued on July 13, 1999