Tungstic acid
ALDRICH/95420 - ≥98.0% (calcined substance, T), powder
Synonym: Tungstic(VI) acid
CAS Number: 7783-03-1
Empirical Formula (Hill Notation): H2O4W
Molecular Weight: 249.85
EC Number: 231-975-2
MDL Number: MFCD00011336
Linear Formula: H2WO4
Product Type: Chemical
| assay | ≥98.0% (calcined substance, T) |
| density | 5.5 g/mL at 25 °C (lit.) |
| form | powder |
| impurities | ≤0.2% insoluble matter in NaOH |
| InChI | 1S/2H2O.2O.W/h2*1H2;;;/q; |
| InChI key | CMPGARWFYBADJI-UHFFFAOYSA |
| loss | ≤9.0% loss on ignition |
| SMILES string | O[W](O)(=O)=O |
| General description: | Tungstic acid may be prepared by either digesting tungstate of lime or by treating tungsten with hydrochloric acid. 1 |
| Packaging: | 100, 500 g in poly bottle |
| Symbol |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315 - H319 - H335 |
| Precautionary statements | P302 + P352 - P305 + P351 + P338 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥98.0% (calcined substance, T) |
| Density | 5.5 g/mL at 25 °C (lit.) |
| UNSPSC | 12352300 |