Tantalum oxide, puriss, 99.993%

Name: Tantalum oxide, puriss, 99.993%
Brand: Vaqora Chemicals
SKU: VQ-014991

About Tantalum oxide, puriss, 99.993%

Vaqora Chemicals supplies Tantalum oxide (Puriss grade), a refractory / heavy metal compound registered under CAS number 1314-61-0 with a typical assay of 99.993%. Formula O5Ta2, molecular weight 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.

In its supplied form it is a white powder. Key physical data: 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 materials research. Typical end-use sectors are academic and industrial research.

Standard pack sizes are 10 g, 100 g and 5 x 1 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Electronics & thin films
Materials research

Industries

Specifications & identifiers

Chemical identifiers
Product name	Tantalum oxide, puriss, 99.993%
Catalogue No.	VQ-014991
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	Puriss
Purity / assay	99.993%
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

AR

Tantalum oxide, GR 99.99%

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

VQ-014990

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, puriss, 99.993%?

The CAS Registry Number of Tantalum oxide, puriss, 99.993% 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, puriss, 99.993%?

Tantalum oxide, puriss, 99.993% has the molecular formula O5Ta2 and a molecular weight of 441.89 g/mol.

Which grade and pack sizes of Tantalum oxide, puriss, 99.993% can I order?

We supply Tantalum oxide, puriss, 99.993% in Puriss (99.993%) grade, in 10 g, 100 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, puriss, 99.993%?

Yes. Every lot of Tantalum oxide, puriss, 99.993% 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, puriss, 99.993% be shipped internationally?

Yes. We export Tantalum oxide, puriss, 99.993% worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.