POTASSIUM PYROSULPHATE Extra Pure
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC1761 | Extra Pure | 97% | 7790-62-7 | K2S2O7 | 254.33 | 2833.2990 | 60 Months |
Packings
| 500 g |
Physical Properties
| Physical state at 20 °C | Solid |
| Colour | Off white flakes |
| Odour | Odorless |
| pH value | 1 - 2 at 25.5 g/l at 25 °C |
| Melting point/ Freezing point [°C] | 325 °C |
| Density [g/cm3] | 2.28 |
| Solubility in water [% weight] | 25.4 g/l at 20 °C |
Specifications
| Appearance | Off-white flakes/crystals |
| Assay (acidimetric) | Min 97% |
| Chloride (Cl) | Max 0.003% |
| Iron (Fe) | Max 0.002% |
| Lead (Pb) | Max 0.001% |
Safety Information and Hazard Symbols
|
|
|---|---|
| Symbol | GHS05 |
| Signal Word | Danger |
| UN No. | 3260 |
| IMCO Class No. | 8 |
| Packing Group | II |
| Hazardous Statement | H314 |
| Precaution Statement | P280-P305 + P351 + P338-P310 |
| Risk Statement | |
| Safety Statement | |