SODIUM SULPHATE ANHYDROUS Extra Pure
Confirming to BP, USP
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC1826 | Extra Pure | 99% | 7757-82-6 | Na2SO4 | 142.04 | 2833.1100 | 60 Months |
Packings
| 500 g,1000 g,5000 g,25 Kg,50 Kg |
Physical Properties
| Physical state at 20 °C | Solid |
| Colour | White crystalline |
| Odour | Odorless |
| pH value | 5.2 - 8 at 50 g/l at 20 °C |
| Melting point/ Freezing point [°C] | 884 °C |
| Boiling point [°C] | 1100°C |
| Density [g/cm3] | 2.68 |
| Solubility in water [% weight] | Soluble in water |
Specifications
| Appearance | A white crystalline powder |
| Assay (Titration after Ion exchange) | 99 - 100.5% |
| Identity | Passes test |
| Appearance of solution | Passes test |
| Acidity or alkalinity | Passes test |
| pH (5% solution in water) | 5.2 - 8.0 |
| Chloride (Cl) | Max 0.02% |
| Heavy metal (as Pb) | Max 0.001% |
| Arsenic (As) | Max 0.0003% |
| Calcium (Ca) | Max 0.005% |
| Iron (Fe) | Max 0.001% |
| Magnesium (Mg) | Max 0.001% |
| Loss on drying (at 130°C) | Max 0.5% |
Safety Information and Hazard Symbols
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