Tantalum pentoxide (Ta2O5) CAS 1314-61-0 is a white colorless crystalline powder, which is the most common oxide of tantalum and the final product of tantalum combustion in air. Mainly used for pulling lithium tantalate single crystals and manufacturing high refractive and low dispersion special optical glasses, it can be used as a catalyst in chemical industry.

Chinese name: Tantalum pentoxide

Foreign name: tantalic oxide; Tantalum pentoxide

CAS login number: 1314-61-0

Structure or molecular formula: Ta2O5

Molecular weight: 441.89

Density: 8.2g/cm3

Melting point (℃): 1800

Character: White rhombic crystal, rhombic columnar body

Dissolution: Soluble in molten potassium bisulfate and hydrofluoric acid, insoluble in water and other acids

Purpose

Raw materials for producing tantalum metal. Also used in the electronics industry. Used for pulling lithium tantalate single crystals and manufacturing high refractive and low dispersion special optical glasses, it can be used as a catalyst in chemical industry.

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