Tantalum pentoxide

Catalog Number	ACM1314610-6
CAS	1314-61-0
Structure
Description	DryPowder
Synonyms	Tantalic acid anhydride
IUPAC Name	oxygen(2-);tantalum(5+)
Molecular Weight	441.89
Molecular Formula	O5Ta2
Canonical SMILES	[O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5]
InChI	InChI=1S/5O.2Ta/q5*-2;2*+5
InChI Key	BPUBBGLMJRNUCC-UHFFFAOYSA-N
Melting Point	1872 °C
Purity	99%+
Appearance	Lumps
Complexity	0
Covalently-Bonded Unit Count	7
EC Number	215-238-2
Exact Mass	441.87057g/mol
Formal Charge	0
Heavy Atom Count	7
Monoisotopic Mass	441.87057g/mol
Rotatable Bond Count	0
UN Number	3089

Q&A

What is the chemical formula of Tantalum pentoxide?

The chemical formula of Tantalum pentoxide is O5Ta2.

What is the melting point of Tantalum pentoxide?

The melting point of Tantalum pentoxide is 1872 °C.

What are some synonyms of Tantalum pentoxide?

Some synonyms of Tantalum pentoxide include TANTALUM(V) OXIDE, MESOPOROUS, TANTALUM (V) OXIDE SPUTTERING, TARGET 99.95%, TANTALUM (V) OXIDE WHITE GRANULES, TANTALUM (V) OXIDE BLACK TABLET, and more.

What are the exposure limits for Tantalum pentoxide according to OSHA and NIOSH?

OSHA exposure limit for Tantalum pentoxide is TWA 5 mg/m3 and NIOSH exposure limits include IDLH 2500 mg/m3, TWA 5 mg/m3, and STEL 10 mg/m3.

What is the solubility of Tantalum pentoxide in water?

Tantalum pentoxide is insoluble in water.

What is the specific gravity of Tantalum pentoxide?

The specific gravity of Tantalum pentoxide is 8.2.

What are some safety statements associated with Tantalum pentoxide?

Safety statements associated with Tantalum pentoxide include 37/39-26.

What are some uses of Tantalum pentoxide?

Tantalum pentoxide is used to make high refractive index optical glass, dielectric film on tantalum, capacitor components, rectifiers, tantalum metal, tantalum carbide, and other tantalum compounds.

How is Tantalum pentoxide prepared?

Tantalum pentoxide is obtained as an intermediate in extracting tantalum from the columbite-tantalite series of minerals. It can also be made by heating Ta metal in oxygen or air at elevated temperatures.

What are some physical properties of Tantalum pentoxide?

Tantalum pentoxide is described as a white orthorhombic crystal or powder with a density of 8.20 g/cm3, melting point at 1,785°C, insolubility in water, ethanol, and most acids, solubility in hydrofluoric acid, and solubility in alkali hydroxides, alkali carbonates, and potassium pyrosulfate.