Tellurium oxide, 99%+

Name: Tellurium oxide, 99%+
Brand: Vaqora Chemicals
SKU: VQ-018423

About Tellurium oxide, 99%+

Listed under CAS 7446-07-3, Tellurium oxide is an electronic material available from Vaqora Chemicals (Synthesis grade) at a purity of ≥99%. The compound has the formula O2Te, corresponding to a molecular weight of 159.6 g/mol. The IUPAC name is tellurium dioxide. Alternative names: Tellurium(IV) oxide and Tellurium oxide (TeO2).

It is supplied as a white powder. Reported physical data include a melting point of 733 °C and a density of 5.67 g/mL at 25 °C. Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span semiconductor research, electronic devices, thin films and nanotechnology research. Typical end-use sectors are academic and industrial research and electronics and semiconductors.

Standard pack sizes are 5 g, 25 g, 100 g and 1 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Semiconductor research
Electronic devices
Thin films
Nanotechnology research

Industries

Specifications & identifiers

Chemical identifiers
Product name	Tellurium oxide, 99%+
Catalogue No.	VQ-018423
CAS Number	7446-07-3
IUPAC name	tellurium dioxide
Molecular formula	O₂Te
Molecular weight	159.6 g/mol
Exact mass	161.8961
Grade	Synthesis
Purity / assay	≥99%
HSN code	28112990
InChIKey	LAJZODKXOMJMPK-UHFFFAOYSA-N
SMILES	O=[Te]=O
PubChem CID	62638

Physical properties
Physical form	Powder
Appearance	White powder
Melting point	733 °C
Density	5.67 g/mL at 25 °C
H-bond donors / acceptors	0 / 2
TPSA	34.1 Å²
Synonyms	Tellurium(IV) oxide, Tellurium oxide (TeO2), Tellurite (TeO2), TeO2, Tellurium oxide(119TeO2) (9CI), oxotellane oxide, Tellurite (mineral), O2Te, Dioxo-lambda~4~-tellane, Tellurium dioxide, >=99%, Tellurium dioxide, >=97.0%, Tellurium dioxide, optical grade

Safety & hazard information (GHS)

Health hazard

Signal word: Danger

Hazard statements

H362May cause harm to breast-fed children

Precautionary statements: P203, P260, P263, P264, P270, P280, P318, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 7446-07-3

Tellurium oxide, ≥97%

CAS: 7446-07-3
Formula: O₂Te
MW: 159.6 g/mol

VQ-015363

Tellurium oxide, 99.5%

CAS: 7446-07-3
Formula: O₂Te
MW: 159.6 g/mol

VQ-018424

Tellurium oxide, 99.99%

CAS: 7446-07-3
Formula: O₂Te
MW: 159.6 g/mol

VQ-018425

Tellurium oxide, 99.995%

CAS: 7446-07-3
Formula: O₂Te
MW: 159.6 g/mol

VQ-018426

Puriss

Tellurium oxide, 99.9995%

CAS: 7446-07-3
Formula: O₂Te
MW: 159.6 g/mol

VQ-015362

Frequently asked questions

What is the CAS number of Tellurium oxide, 99%+?

The CAS Registry Number of Tellurium oxide, 99%+ is 7446-07-3. It is also known as Tellurium(IV) oxide, Tellurium oxide (TeO2), Tellurite (TeO2).

What is the molecular formula and molecular weight of Tellurium oxide, 99%+?

Tellurium oxide, 99%+ has the molecular formula O2Te and a molecular weight of 159.6 g/mol. Its IUPAC name is tellurium dioxide.

Which grade and pack sizes of Tellurium oxide, 99%+ can I order?

We supply Tellurium oxide, 99%+ in Synthesis (≥99%) grade, in 5 g, 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Tellurium oxide, 99%+?

Yes. Every lot of Tellurium oxide, 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 Tellurium oxide, 99%+ be shipped internationally?

Yes. Tellurium oxide, 99%+ is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.