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 |