Tantalum oxide, GR 99.99%

Name: Tantalum oxide, GR 99.99%
Brand: Vaqora Chemicals
SKU: VQ-014990

About Tantalum oxide, GR 99.99%

Tantalum oxide (CAS 1314-61-0) is a refractory / heavy metal compound offered by Vaqora Chemicals in AR grade at a purity of 99.99%. Its molecular formula is O5Ta2 and its molecular weight is 441.89 g/mol. Systematically, it is named pentakis(oxygen(2-)). Bis(tantalum(5+)). It is also known as Tantalum pentoxide or Tantalum(V) oxide.

It is supplied as a white powder. Literature values give a density of 8.2 g/mL at 25 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. Good laboratory practice and suitable PPE are recommended during handling.

It is commonly used for electronics and thin films and corrosion inhibition. It is used across academic and industrial research.

We offer Tantalum oxide in 5 g, 10 g, 25 g and 50 g packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Electronics & thin films
Corrosion inhibition

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Tantalum oxide, GR 99.99%
Catalogue No.	VQ-014990
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
Grade	AR
Purity / assay	99.99%
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, 99.999%

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

VQ-014989

Tantalum oxide, 99%

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

VQ-014987

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

All 12 products with CAS 1314-61-0 →

Frequently asked questions

What is the CAS number of Tantalum oxide, GR 99.99%?

The CAS Registry Number of Tantalum oxide, GR 99.99% 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, GR 99.99%?

Tantalum oxide, GR 99.99% has the molecular formula O5Ta2 and a molecular weight of 441.89 g/mol.

Which grade and pack sizes of Tantalum oxide, GR 99.99% can I order?

We supply Tantalum oxide, GR 99.99% in AR (99.99%) grade, in 5 g, 10 g, 25 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, GR 99.99%?

Yes. Every lot of Tantalum oxide, GR 99.99% 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, GR 99.99% be shipped internationally?

Yes. We export Tantalum oxide, GR 99.99% worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.