Tellurium oxide, 99.995%

Name: Tellurium oxide, 99.995%
Brand: Vaqora Chemicals
SKU: VQ-018426

About Tellurium oxide, 99.995%

Tellurium oxide (CAS 7446-07-3) is an electronic material offered by Vaqora Chemicals with a typical assay of 99.995%. Its molecular formula is O2Te and its molecular weight is 159.6 g/mol. Its systematic (IUPAC) name is tellurium dioxide. Alternative names: Tellurium(IV) oxide and Tellurium oxide (TeO2).

In its supplied form it is a white powder or crystalline powder. Reported physical data include a melting point of 733 °C and a density of 5.67 g/mL at 25 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

It is commonly used for semiconductor research, electronic devices and thin films. It is used across academic and industrial research and electronics and semiconductors.

We offer Tellurium oxide in 5 g, 50 g, 250 g and 1 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Semiconductor research
Electronic devices
Thin films

Industries

Specifications & identifiers

Chemical identifiers
Product name	Tellurium oxide, 99.995%
Catalogue No.	VQ-018426
CAS Number	7446-07-3
IUPAC name	tellurium dioxide
Molecular formula	O₂Te
Molecular weight	159.6 g/mol
Exact mass	161.8961
Purity / assay	99.995%
HSN code	28112990
InChIKey	LAJZODKXOMJMPK-UHFFFAOYSA-N
SMILES	O=[Te]=O
PubChem CID	62638

Physical properties
Physical form	Powder
Appearance	White powder or crystalline 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

Puriss

Tellurium oxide, 99.9995%

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

VQ-015362

Synthesis

Tellurium oxide, 99%+

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

VQ-018423

Frequently asked questions

What is the CAS number of Tellurium oxide, 99.995%?

The CAS Registry Number of Tellurium oxide, 99.995% 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, 99.995%?

Tellurium oxide, 99.995% 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, 99.995% can I order?

We supply Tellurium oxide, 99.995% in (99.995%) grade, in 5 g, 50 g, 250 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Tellurium oxide, 99.995%?

Yes. Every lot of Tellurium oxide, 99.995% 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, 99.995% be shipped internationally?

Yes. Tellurium oxide, 99.995% 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.