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| CAS No. | 7727-21-1 |
|---|---|
| EC No. | 231-781-8 |
| Molecular Formula | K₂S₂O₈ |
| Molecular Weight | 270.32 |
| HS Code | 2833 29 90 |
| Storage | Below 30°C |
| Shelf life | 4 years |
| Appearance | Colourless or white to off-white crystals or powder |
|---|---|
| Solubility | 33.3 mg soluble in 1 mL of water |
| Chloride (Cl) | <= 0.002% |
| Iron (Fe) | <= 0.0005% |
| Lead (Pb) | <= 0.001% |
| Manganese (Mn) | <= 0.0001% |
| Water insoluble matter | <= 0.003% |
| Ammonium (NH4) | <= 0.0005% |
| Arsenic (As) | <= 0.00004% |
| Copper (Cu) | <= 0.001% |
| Assay (Iodometry/KMnO4 Titration) | 99.00 - 101.00% |
| Hazard Pictogram(s) | ![]() ![]() ![]() |
|---|---|
| Signal Word | Danger |
| Hazard Statement(s) | H272-H302-H315-H317-H319-H334-H335 |
| Precautionary Statement(s) | P220-P261-P280-P305+P351+P338-P342 + P311 |
| UN No. | 1492 |
| Class | 5.1 |
| Packing Group | III |
| RTECS | SE0400000 |
| WGK | 1 |
| Product Name | Potassium persulphate, Hi-AR™/ACS |
|---|---|
| SKU | GRM7412 |
| CAS No | 7727-21-1 |
| EC No. | 231-781-8 |
| Molecular formula | K₂S₂O₈ |