Ceramics
A yellow pigment for ceramics and glazes.
Bismuth, Selenium & Tungsten · Extra Pure
Tungsten Trioxide
Also known as Tungsten(VI) oxide, Tungstic oxide and Tungstic anhydride
CAS1314-35-8
FormulaWO₃
MW231.84
PubChem14811
Pale-yellow tungsten(VI) oxide, minimum 99.5%, for ceramics, catalysts and electrochromic materials.
Assay≥ 99.5%
GradeExtra Pure
MW231.84
ISO 9001:2015 certified supplier
Overview
About Tungsten Trioxide
Tungsten Trioxide is a pale yellow powder and the main intermediate in tungsten chemistry.
It is used as a yellow ceramic pigment, in catalysts, in electrochromic and gas-sensing materials, and to produce tungsten metal and tungstates.
IdentityWO₃
- CAS number
- 1314-35-8
- Molecular formula
- WO₃
- Molecular weight
- 231.84
- PubChem CID
- 14811
- Appearance
- Pale yellow powder
- Grade
- Extra Pure
Technical specification
Specification, Extra Pure grade
Every batch is released against these limits. Ask for the specification sheet with your quote.
| # | Test | Specification |
|---|---|---|
| 01 | Appearance (colour) | Pale yellow |
| 02 | Appearance (form) | Powder |
| 03 | Loss on ignition (700 °C) | Not more than 1% |
| 04 | Chloride (Cl) | Not more than 0.05% |
| 05 | Sulphate (SO₄) | Not more than 0.01% |
| 06 | Lead (Pb) | Not more than 0.001% |
| 07 | Calcium (Ca) | Not more than 0.03% |
| 08 | Iron (Fe) | Not more than 0.002% |
| 09 | Assay | Not less than 99.5% |
Need a tighter limit or an extra test? Send us your specification with your enquiry.
Specification sheet (PDF)
Applications
Where Tungsten Trioxide is used
Catalysts
Catalysts for oxidation and DeNOx systems.
Electrochromics & sensors
Smart windows, displays and gas sensors.
Packing
Packed to your order
We pack Tungsten Trioxide in sealed containers suited to the product, from laboratory bottles to bulk packs. Every container carries the product name, batch number, dates and hazard labels. Tell us the pack size and quantity you need.
Storage & handling
Store cool, dry and closed
- Keep in the original, tightly closed container in a cool, dry, well-ventilated place.
- Protect from moisture, heat and direct sunlight, and keep away from incompatible materials.
- Wear gloves and eye protection when handling and avoid raising dust.
Read the MSDS for full hazard, first-aid and disposal information.
Documents
Specification and safety documents
Ask for any of these and we will email them with your quote.
Questions
Frequently asked
Which pack sizes can I order?
Tell us the quantity you need. We will suggest the right pack, from laboratory bottles to bulk packs, with your quote.
Can you supply against our own specification?
Send your specification with your enquiry. Our team will confirm which limits we can meet before you order.
Do you ship outside India?
Yes. We hold an Import Export Code and supply both domestic and export buyers. Mention the destination country in your enquiry so we can quote the right packing and documents.
Related products
Other bismuth, selenium and tungsten products
Enquire
Get a quote for Tungsten Trioxide
Tell us the quantity, pack size and destination. We will confirm price, availability and lead time, and send the documents you need.
Phone & WhatsApp+91 77530 58907
Emailankur.agrawal@spacorporation.in