Tungsten(VI) oxide, 99.995%

Name: Tungsten(VI) oxide, 99.995%
Brand: Vaqora Chemicals
SKU: VQ-015027

About Tungsten(VI) oxide, 99.995%

Vaqora Chemicals supplies Tungsten(VI) oxide in Puriss grade, a refractory / heavy metal compound registered under CAS number 1314-35-8 at a purity of 99.995%. Formula O3W, molecular weight 231.84 g/mol. Its systematic (IUPAC) name is trioxotungsten. Common synonyms include Tungstic anhydride,Tungsten oxide and Tungsten oxide (WO3).

The material typically appears as a yellow to Lime-Green powder. Key physical data: a density of 7.16 g/mL at 25 °C. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Warning” with 4 hazard statements. Review the Safety Data Sheet before use.

Key uses span materials research and chemical synthesis. It is used across academic and industrial research.

Standard pack sizes are 10 g, 50 g and 1 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Materials research
Chemical synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Tungsten(VI) oxide, 99.995%
Catalogue No.	VQ-015027
CAS Number	1314-35-8
IUPAC name	trioxotungsten
Molecular formula	O₃W
Molecular weight	231.84 g/mol
Exact mass	231.9357
Grade	Puriss
Purity / assay	99.995%
HSN code	28259090
InChIKey	ZNOKGRXACCSDPY-UHFFFAOYSA-N
SMILES	O=[W](=O)=O
PubChem CID	14811

Physical properties
Physical form	Powder
Appearance	Yellow to Lime-Green powder
Density	7.16 g/mL at 25 °C
H-bond donors / acceptors	0 / 3
TPSA	51.2 Å²
Synonyms	Tungstic anhydride,Tungsten oxide, Tungsten oxide (WO3), Tungstic anhydride, Tungstic oxide, Tungsten Blue, Tungstic acid anhydride, Wolframic acid, anhydride, tungsten(6+) oxide, tungsten(vi) trioxide, WO3, Tungsten (VI) oxide, Tris(oxido)tungsten

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, 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 1314-35-8

Tungsten oxide nanopowder, (blue) APS 50 nm, 99.9%

CAS: 1314-35-8
Formula: O₃W
MW: 231.84 g/mol

VQ-017528

Tungsten oxide nanopowder, (purple) APS 50 nm, 99.9%

CAS: 1314-35-8
Formula: O₃W
MW: 231.84 g/mol

VQ-017529

Tungsten oxide nanopowder, (yellow) APS 50 nm, 99.9%

CAS: 1314-35-8
Formula: O₃W
MW: 231.84 g/mol

VQ-017530

Tungsten oxide nanopowder, APS 30 nm, 99.5%

CAS: 1314-35-8
Formula: O₃W
MW: 231.84 g/mol

VQ-017531

Tungsten oxide nanopowder, APS 30-70 nm, 99%

CAS: 1314-35-8
Formula: O₃W
MW: 231.84 g/mol

VQ-017532

Tungsten oxide nanopowder, APS 60-120 nm, 99.5%

CAS: 1314-35-8
Formula: O₃W
MW: 231.84 g/mol

VQ-017533

Tungsten(VI) oxide, 10-24 μm, 99.5%

CAS: 1314-35-8
Formula: O₃W
MW: 231.84 g/mol

VQ-015023

Tungsten(VI) oxide, 2-3 μm, 99.5%

CAS: 1314-35-8
Formula: O₃W
MW: 231.84 g/mol

VQ-015024

All 11 products with CAS 1314-35-8 →

Frequently asked questions

What is the CAS number of Tungsten(VI) oxide, 99.995%?

The CAS Registry Number of Tungsten(VI) oxide, 99.995% is 1314-35-8. It is also known as Tungstic anhydride,Tungsten oxide, Tungsten oxide (WO3), Tungstic anhydride.

What is the molecular formula and molecular weight of Tungsten(VI) oxide, 99.995%?

Tungsten(VI) oxide, 99.995% has the molecular formula O3W and a molecular weight of 231.84 g/mol. Its IUPAC name is trioxotungsten.

Which grade and pack sizes of Tungsten(VI) oxide, 99.995% can I order?

We supply Tungsten(VI) oxide, 99.995% in Puriss (99.995%) grade, in 10 g, 50 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Tungsten(VI) oxide, 99.995%?

Yes. Every lot of Tungsten(VI) 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 Tungsten(VI) oxide, 99.995% be shipped internationally?

Yes. Tungsten(VI) 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.