Tantalum(III) aluminide

Tantalum(III) aluminide

Names
Other names tantalum trialuminide
Identifiers
CAS Number	12004-76-1
EC Number	234-460-0
Jmol interactive 3D	Image
PubChem	6336851
InChI InChI=1S/3Al.Ta
SMILES [Al].[Al].[Al].[Ta]
Properties
Chemical formula	TaAl3
Molar mass	261.893 g/mol
Appearance	gray refractory powder
Density	7.02 g/cm^3, solid
Melting point	1,400 °C (2,550 °F; 1,670 K)
Solubility in water	insoluble[1]
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.

References

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