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SODIUM TUNGSTATE DIHYDRATE Extra Pure
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC1839 | Extra Pure | 98% | 10213-10-2 | Na2WO4.2H2O | 329.86 | 2841.8010 | 60 Months |
Packings
| 100 g,250 g |
Physical Properties
| Physical state at 20 °C | Solid |
| Colour | White crystalline |
| Odour | Odorless |
| pH value | 9 - 11.5 at 100 g/l at 20 °C |
| Melting point/ Freezing point [°C] | 698 °C |
| Density [g/cm3] | 4.18 |
| Solubility in water [% weight] | 730 g/L (20°C) |
Specifications
| Appearance | White Crystalline Powder |
| Assay (precipitation titration) | Min 98% |
| Free alkali (as NaOH) | Max 0.025 meq/g |
| Chloride (Cl) | Max 0.01% |
| Sulphate (SO4) | Max 0.02% |
| Iron (Fe) | Max 0.002% |
Safety Information and Hazard Symbols
|
|
|---|---|
| Symbol | GHS07 |
| Signal Word | Warning |
| UN No. | |
| IMCO Class No. | |
| Packing Group | |
| Hazardous Statement | H302 |
| Precaution Statement | |
| Risk Statement | |
| Safety Statement | |
Revision Date : 22-Oct-2019
Certificate of Analysis (COA's)
To download COA please enter the batch number below