Tungstic acid
- Product NameTungstic acid
- CAS7783-03-1
- MFHO4W-
- MW248.84
- EINECS231-975-2
- MOL File7783-03-1.mol
Chemical Properties
| Melting point | 100°C (dec.) |
| Boiling point | 1473°C |
| Density | 5.5 g/mL at 25 °C (lit.) |
| refractive index | 2.24 |
| Flash point | 1473°C |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | insoluble in H2O, acid solutions; soluble in alkaline solutions |
| form | powder |
| color | Yellow to yellow-greenish |
| Specific Gravity | 5.5 |
| Water Solubility | insoluble |
| Merck | 14,9818 |
| Exposure limits | ACGIH: TWA 3 mg/m3 NIOSH: TWA 5 mg/m3; STEL 10 mg/m3 |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| InChI | 1S/2H2O.2O.W/h2*1H2;;;/q;;;;+2/p-2 |
| InChIKey | CMPGARWFYBADJI-UHFFFAOYSA-L |
| SMILES | O[W](O)(=O)=O |
| CAS DataBase Reference | 7783-03-1(CAS DataBase Reference) |
Safety Information
| Risk Statements | 36/37/38 |
| Safety Statements | 24/25 |
| WGK Germany | 3 |
| RTECS | YO7840000 |
| TSCA | TSCA listed |
| HS Code | 28259011 |
| Storage Class | 13 - Non Combustible Solids |
| Hazard Classifications | Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 |