SODIUM SULPHATE ANHYDROUS ,USP, BP
SODIUM SULPHATE ANHYDROUS ,USP, BP
| Article No | 550809 |
| Grade | USP |
| Purity | 99.6% |
| CAS No | 7757-82-6 |
| Molecular Formula | Na₂SO₄ |
| Molecular Weight | 142 g/mol |
| H.S. Code | 28331100 |
| Shelf Life | 60 Months |
Physical properties
| Physical state at 20°C | Solid |
| Colour | White crystalline |
| Odour | Odorless |
| pH value | 5.5 – 8 |
| Melting/Freezing point [°C] | 884°C |
| Boiling point [°C] | 1100°C |
| Density [g/cm³] | 2.68 |
| Solubility in water | Soluble in water |
Specifications
| Appearance | White or almost white powder, hygroscopic |
| Assay | 98.5 – 101% |
| Alkalinity | Passes test |
| Solubility | Freely soluble in water |
| pH | 5.5 – 8 |
| Loss on drying | 0.5% |
| Chlorides | Max 450 ppm |
| Calcium | Max 450 ppm |
| Identification | Gives reaction of sodium and sulfates |
| Packings | 500g – 25 kg |
