12501-23-4
| Name | Phosphotungstic acid hydrate |
| CAS | 12501-23-4 |
| EINECS(EC#) | 235-087-6 |
| Molecular Formula | H6O8PW |
| MDL Number | MFCD00149915 |
| Molecular Weight | 348.86 |
| MOL File | 12501-23-4.mol |
Chemical Properties
| Appearance | Crystalline |
| Melting point | ~95 °C(lit.) |
| Boiling point | 107.9℃[at 101 325 Pa] |
| bulk density | 960kg/m3 |
| density | 3.88[at 20℃] |
| vapor pressure | 19.2hPa at 20℃ |
| storage temp. | 0-6°C |
| form | Solid |
| color | White |
| PH | 1.3 (20g/l, H2O, 20℃) |
| Water Solubility | soluble |
| Sensitive | Hygroscopic |
| Exposure limits | ACGIH: TWA 3 mg/m3 NIOSH: TWA 5 mg/m3; STEL 10 mg/m3 |
| Stability: | hygroscopic |
| InChI | 1S/H3O4P.H2O.36O.12W/c1-5(2,3)4;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/h(H3,1,2,3,4);1H2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| InChIKey | YLIQWAMEHLESGU-UHFFFAOYSA-L |
| SMILES | O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.OP(O)(O)=O |
| CAS DataBase Reference | 12501-23-4(CAS DataBase Reference) |
Safety Data
| Symbol(GHS) |    GHS05,GHS07,GHS09 |
| Signal word | Danger |
| Hazard statements | H302-H314-H411 |
| Precautionary statements | P260-P273-P280-P301+P312-P303+P361+P353-P305+P351+P338 |
| Hazard Codes | C,Xi |
| Risk Statements | |
| Safety Statements | |
| RIDADR | UN 3260 8/PG 3 |
| WGK Germany | 3 |
| RTECS | TH5650000 |
| F | 3-10-23 |
| TSCA | Yes |
| REACH Registrations | Active |
| HazardClass | 8 |
| HS Code | 28111990 |
| Storage Class | 8B - Non-combustible corrosive hazardous materials |
| Hazard Classifications | Acute Tox. 4 Oral Aquatic Chronic 2 Eye Dam. 1 Skin Corr. 1C |
| Toxicity |