Tantalum oxide, 99.999%

Name: Tantalum oxide, 99.999%
Brand: Vaqora Chemicals
SKU: VQ-014989

About Tantalum oxide, 99.999%

Listed under CAS 1314-61-0, Tantalum oxide is a refractory / heavy metal compound available from Vaqora Chemicals with a typical assay of 99.999%. Its molecular formula is O5Ta2 and its molecular weight is 441.89 g/mol. Its systematic (IUPAC) name is pentakis(oxygen(2-)). Bis(tantalum(5+)). It is also known as Tantalum pentoxide or Tantalum(V) oxide.

It is supplied as a white powder. Reported physical data include a density of 8.2 g/mL at 25 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. Good laboratory practice and suitable PPE are recommended during handling.

Key uses span electronics and thin films, optics and photonics and ceramics and glass. Our customers for this product work in academic and industrial research.

We offer Tantalum oxide in 10 g, 50 g and 5 x 1 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Electronics & thin films
Optics & photonics
Ceramics & glass

Industries

Specifications & identifiers

Chemical identifiers
Product name	Tantalum oxide, 99.999%
Catalogue No.	VQ-014989
CAS Number	1314-61-0
IUPAC name	pentakis(oxygen(2-));bis(tantalum(5+))
Molecular formula	O₅Ta₂
Molecular weight	441.89 g/mol
Exact mass	441.8706
Purity / assay	99.999%
HSN code	28259090
InChIKey	BPUBBGLMJRNUCC-UHFFFAOYSA-N
SMILES	[O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5]
PubChem CID	62157

Physical properties
Physical form	Powder
Appearance	White powder
Density	8.2 g/mL at 25 °C
H-bond donors / acceptors	0 / 5
TPSA	5 Å²
Synonyms	Tantalum pentoxide, Tantalum(V) oxide, Tantalum oxide (Ta2O5), Tantalic acid anhydride, Ditantalum pentaoxide, Tantalum penta oxide, tantalumpentoxide, Tantalum oxide dusts, Tantalum(5+) oxide (2/5)

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 1314-61-0

Tantalum oxide, -60 mesh, 99.5%

CAS: 1314-61-0
Formula: O₅Ta₂
MW: 441.89 g/mol

VQ-014985

Tantalum oxide, 40-50 µm, 99.9%

CAS: 1314-61-0
Formula: O₅Ta₂
MW: 441.89 g/mol

VQ-014986

Puriss

Tantalum oxide, 99.995%

CAS: 1314-61-0
Formula: O₅Ta₂
MW: 441.89 g/mol

VQ-014988

Tantalum oxide, 99%

CAS: 1314-61-0
Formula: O₅Ta₂
MW: 441.89 g/mol

VQ-014987

AR

Tantalum oxide, GR 99.99%

CAS: 1314-61-0
Formula: O₅Ta₂
MW: 441.89 g/mol

VQ-014990

Puriss

Tantalum oxide, puriss, 99.993%

CAS: 1314-61-0
Formula: O₅Ta₂
MW: 441.89 g/mol

VQ-014991

Tantalum pentoxide granules, 0.7-3.5 mm, 99.99%

CAS: 1314-61-0
Formula: O₅Ta₂
MW: 441.89 g/mol

VQ-014992

Tantalum pentoxide granules, 3-5 mm, 99.99%

CAS: 1314-61-0
Formula: O₅Ta₂
MW: 441.89 g/mol

VQ-014993

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Frequently asked questions

What is the CAS number of Tantalum oxide, 99.999%?

The CAS Registry Number of Tantalum oxide, 99.999% is 1314-61-0. It is also known as Tantalum pentoxide, Tantalum(V) oxide, Tantalum oxide (Ta2O5).

What is the molecular formula and molecular weight of Tantalum oxide, 99.999%?

Tantalum oxide, 99.999% has the molecular formula O5Ta2 and a molecular weight of 441.89 g/mol.

Which grade and pack sizes of Tantalum oxide, 99.999% can I order?

We supply Tantalum oxide, 99.999% in (99.999%) grade, in 10 g, 50 g, 5 x 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Tantalum oxide, 99.999%?

Yes. Every lot of Tantalum oxide, 99.999% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Tantalum oxide, 99.999% be shipped internationally?

Yes. We export Tantalum oxide, 99.999% worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.