| Formula / Notation | O3W |
|---|---|
| CAS Number | 1314-35-8 |
| Molecular Weight | 231.84 |
| Melting Point | 1472 °C |
| Density | 7.2 |
| Solubility | Insol in water; sol in caustic alkalies; very slightly sol in acids |
| Appearance | Dry Powder; Dry Powder, Pellets or Large Crystals, Other Solid; Other Solid; Dry Powder, Other Solid, NKRA; Pellets or Large Crystals |
| Also Known As | trioxotungsten; 1314-35-8; Tungsten oxide (WO3); Tungstic anhydride; Tungstic oxide; Tungsten Blue; Tungstic acid anhydride; Wolframic acid, anhydride; CI 77901; C.I. 77901 |
| Category | Inorganic Compounds |
What is Tungsten trioxide?
Tungsten trioxide (O3W) is an inorganic compound that appears as Dry Powder; Dry Powder, Pellets or Large Crystals, Other Solid; Other Solid; Dry Powder, Other Solid, NKRA; Pellets or Large Crystals. It has a molecular weight of 231.84 g/mol. Its IUPAC name is trioxotungsten. Melting point: 1472 °C.
Formula & Notation
IUPAC Name: trioxotungsten
Other Names / Synonyms: trioxotungsten; 1314-35-8; Tungsten oxide (WO3); Tungstic anhydride; Tungstic oxide; Tungsten Blue; Tungstic acid anhydride; Wolframic acid, anhydride; CI 77901; C.I. 77901
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 1472 °C |
| Density | 7.2 |
| Molecular Weight | 231.84 |
| Solubility | Insol in water; sol in caustic alkalies; very slightly sol in acids |
| Appearance | Dry Powder; Dry Powder, Pellets or Large Crystals, Other Solid; Other Solid; Dry Powder, Other Solid, NKRA; Pellets or Large Crystals |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Tungsten trioxide (O3W) is an inorganic compound that appears as Dry Powder; Dry Powder, Pellets or Large Crystals, Other Solid; Other Solid; Dry Powder, Other Solid, NKRA; Pellets or Large Crystals. It has a molecular weight of 231.84 g/mol. Its IUPAC name is trioxotungsten. Melting point: 1472 °C.
Used in industrial processes, materials science, semiconductor manufacture, ceramics, or as a catalyst.
May be corrosive, toxic, or an oxidising agent. Handle in well-ventilated area. Consult SDS before use.
The formula or notation for Tungsten trioxide is: O3W