Tantalum Oxide

Tantalum Oxide

CAS #: 1314-61-0
Linear Formula: Ta2O5
EC No.: 215-238-2

Product Details

Tantalum Oxide is a white powder, molecular formula Ta2O5, Insoluble in water and acid, soluble in molten potassium hydrogen sulfate and hydrofluoric acid. Chemical properties similar to Niobium oxide.

Tantalum Oxide

Tantalum Oxide



Product Series

ProductProduct Code

Safety Data

Technical Data

Tantalum Oxide 99.9%


Tantalum Oxide 99.99%ET-Ta-02TIM图片20180524114629_副本(001)

Properties (Theoretical)

Compound FormulaO5Ta2
Molecular Weight441.89
Appearancewhite, odorless powder
Melting Point1,872° C (3,402° F)
Boiling PointN/A
Density8.2 g/cm3
Exact Mass212.938 g/mol
Monoisotopic Mass441.870573 Da

Health & Safety Information

Signal WordN/A
Hazard StatementsN/A
Hazard CodesN/A
Precautionary StatementsN/A
Flash PointNot applicable
Risk CodesN/A
Safety StatementsN/A
RTECS NumberWW5855000
Transport InformationNONH
WGK Germanynwg

Packaging Specifications

Finished packaging: 50 kg / barrel, 500 kg / tray, ton bag packaging

Sample packaging: 500 g / bag, 1 kg / bottle


It is mainly used for Metal Tantalum, electronic components, optical glass, lithium Tantalum crystal, etc.

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