SODIUM TUNGSTATE
SODIUM TUNGSTATE
| Article No. | 551408 |
| Grade | Extra pure |
| Purity | 98.5% |
| CAS No. | 10213-10-2 |
| Molecular Formula | Na2WO4, 2H2O |
| Molecular Weight | 329.9 |
| H.S. Code | 28418010 |
| Shelf Life | 60 Months |
Physical properties
| Physical State at 20°C | Solid |
| Colour | White crystalline |
| Odour | Odorless |
| pH Value | 9 – 11.5 at 20°C |
| Melting Point/Freezing Point [°C] | 698°C |
| Density [g/cm³] | 4.18 |
| Solubility in Water | Soluble in water |
Specifications
| Appearance | White or almost white, crystalline powder or colourless crystals |
| Assay | Min 98% |
| Solubility | Freely soluble in water forming a clear solution |
| Identification | Passes test |
| Free Alkali (NaOH) | Max 0.1% |
| Chlorides | Max 0.01% |
| Sulphates | Max 0.02% |
| Nitrate | Max 0.02% |
| Packings | 100 gm |
