Molekula
Tungsten(VI) oxide
Tungsten(VI) oxide is a yellowish to brownish powder used in catalysis, electronics, and as a precursor for tungsten metal. It is a stable inorganic compound with the molecular formula WO3, a molecular weight of 231.84 g/mol, and is stored at ambient temperatures. It carries a warning signal word due to potential health hazards. Molekula supplies Tungsten(VI) oxide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Tungsten(VI) oxide is a yellowish to brownish powder used in catalysis, electronics, and as a precursor for tungsten metal. It is a stable inorganic compound with the molecular formula WO3, a molecular weight of 231.84 g/mol, and is stored at ambient temperatures. It carries a warning signal word due to potential health hazards. Molekula supplies Tungsten(VI) oxide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| AS | <0.005% |
| Na | <0.005% |
| K | <0.005% |
| Fe | <0.005% |
| Cu | <0.0003% |
| Pb | <0.0001% |
| Ca | <0.001% |
| Ni | <0.0007% |
| Mg | <0.0007% |
| Al | <0.0005% |
| Si | <0.001% |
| S | <0.0007% |
| Sb | <0.0005% |
| Mn | <0.001% |
| Mo | <0.02% |
| Bi | <0.0001% |
| P | <0.0007% |
| WO3 | >99.9% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 1314-35-8 |
| Molecular Formula | WO3 |
| Molecular Weight | 231.84 |
| REACH Code | Y110 |
| Tariff Code | 28259040 |
Safety & GHS
-
Explosive
GHS01
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- P304+341 IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
For research and industrial use only
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is Tungsten(VI) oxide used for?
Tungsten(VI) oxide is primarily used as a precursor in the production of tungsten metal and in catalytic applications, particularly in oxidation reactions.
What is the chemical formula and molecular weight of Tungsten(VI) oxide?
The formula is WO3 and the molecular weight is 231.84 g/mol.
How should Tungsten(VI) oxide be stored?
It should be stored at ambient temperature, in a dry, well-ventilated area, away from moisture and incompatible materials.
What grade of Tungsten(VI) oxide does Molekula supply?
Molekula supplies Tungsten(VI) oxide in high purity grade, suitable for research and industrial applications.
Can Molekula supply Tungsten(VI) oxide in bulk?
Yes, Molekula can supply Tungsten(VI) oxide in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a Tungsten(VI) oxide order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS), compliant with GHS standards.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.