10213-10-2
| Name | Sodium tungstate dihydrate |
| CAS | 10213-10-2 |
| EINECS(EC#) | 236-743-4 |
| Molecular Formula | H4Na2O6W |
| MDL Number | MFCD00149190 |
| Molecular Weight | 329.85 |
| MOL File | 10213-10-2.mol |
Chemical Properties
| Appearance | white to slightly yellow crystalline powder or |
| Melting point | 698 °C(lit.) |
| bulk density | 1600kg/m3 |
| density | 4.18 |
| storage temp. | Store at +15°C to +25°C. |
| solubility | H2O: 1 M at 20 °C, clear, colorless |
| form | Solid |
| color | White to slightly yellow |
| Specific Gravity | 3.25 |
| Odor | Odorless |
| PH | 9.5-11.5 (25℃, 1M in H2O) |
| PH Range | 9 - 11.5 at 100 g/l at 20 °C |
| Water Solubility | 730 g/L (20 ºC) |
| λmax | λ: 260 nm Amax: ≤0.120 λ: 280 nm Amax: ≤0.035 |
| Merck | 14,8698 |
| Exposure limits | ACGIH: TWA 3 mg/m3 NIOSH: TWA 1 mg/m3; STEL 3 mg/m3 |
| InChI | 1S/2Na.2H2O.4O.W/h;;2*1H2;;;;;/q2*+1;;;;;2*-1; |
| InChIKey | WPZFLQRLSGVIAA-UHFFFAOYSA-N |
| SMILES | O.O.[Na+].[Na+].[O-][W]([O-])(=O)=O |
Safety Data
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H302 |
| Precautionary statements | P264-P270-P301+P312-P501 |
| Hazard Codes | Xn |
| Risk Statements | |
| Safety Statements | |
| WGK Germany | 1 |
| RTECS | YO7900000 |
| TSCA | Yes |
| HS Code | 28418000 |
| Storage Class | 13 - Non Combustible Solids |
| Hazard Classifications | Acute Tox. 4 Oral |
| Toxicity |