SODIUM CARBONATE ANHYDROUS
SODIUM CARBONATE ANHYDROUS
| Article No. | 546108 |
| Grade | Extra pure |
| Purity | 99.5% |
| CAS No. | 497-19-8 |
| Molecular Formula | Na2CO3 |
| Molecular Weight | 106.0 |
| H.S. Code | 28331100 |
| Shelf Life | 60 Months |
Physical properties
| Physical state at 20 °C | Solid |
| Colour | White powder |
| Odour | Odorless |
| pH value | 10 – 12 (5% solution) |
| Melting point/ Freezing point [°C] | 851 °C |
| Boiling point [°C] | 400 °C |
| Density [g/cm³] | 2.532 |
| Solubility in water | Freely soluble |
Specifications
| Appearance | White or almost white powder, hygroscopic |
| Assay | 99-101% |
| Solubility | Freely soluble in water |
| pH | 10-12 (5% solution) |
| Chlorides | Max 125 ppm |
| Sulphates | Max 250 ppm |
| Identification | – It gives reaction of sodium – It gives reaction of Carbonate |
| Alkali Hydroxides and Bicarbonates | Pass test |
| Packings | 500g – 1kg |
