1314-35-8
Product Name:
Tungsten trioxide
Formula:
O3W
Synonyms:
Tungsten trioxide nanowires;Tungstic anhydride
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CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Dry Powder; Dry Powder, Other Solid, NKRA; Dry Powder, Pellets or Large Crystals, Other Solid; Other Solid; Pellets or Large Crystals |
|---|---|
| Color/Form | Canary yellow, heavy powder; dark orange when heated, regaining the original color on cooling |
| Melting Point | 1472 °C |
| Solubility | Insol in water; sol in caustic alkalies; very slightly sol in acids |
| Density | 7.2 |
| Chemical Classes | Metals -> Metals, Inorganic Compounds |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P330:Rinse mouth. |
COMPUTED DESCRIPTORS
| Molecular Weight | 231.84 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 231.935677 g/mol |
| Monoisotopic Mass | 231.935677 g/mol |
| Topological Polar Surface Area | 51.2 Ų |
| Heavy Atom Count | 4 |
| Formal Charge | 0 |
| Complexity | 61.8 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |