SODIUM TUNGSTATE DIHYDRATE, 99% AR
| Product Code | B-02537 | BRAND | Bio-Chem |
|---|---|---|---|
| Grade | AR | CAS No | 10213-10-2 |
| Molecular Formula | Na2WO4.2H2O | Molecular Weight | 329.86 |
| H.S.Code | 2841.80100 | Shelf Life | 60 Months |
| Purity | 99 % |
Physical Properties
| Physical state at 20 °C | Solid | Colour | White crystalline |
|---|---|---|---|
| Odour | Odorless | Density [g/cm3] | 4.18 |
| Solubility in water [% weight] | 730 g/L (20°C) | Melting point/ Freezing point [°C] | 698 °C |
| pH Value | 9 - 11.5 at 100 g/l at 20 °C |
Packaging
Specification
| Appearance | White Crystalline Powder |
| Assay | 99.0 – 101.0% |
| Insoluble matter | Max 0.01% |
| Free alkali (as NaOH) | Max 0.02 meq/gm |
| Chloride (Cl) | Max 0.005% |
| Sulphate (SO4) | Max 0.01% |
| Total nitrogen (N) | Max 0.001% |
| Heavy metals and iron (as Pb) | Max 0.001% |
| Molybdenum (Mo) | Max 0.001% |
| Arsenic (As) | Max 0.0005% |
Safety Information and Hazard Symbols
Symbol: GHS02, GHS07, GHS09
Signal Word: Warning
Hazardous Statement: H302