Potassium Metabisulphite
| Product Code |
PG026 |
Grade |
Pure |
| Purity |
95% |
CAS No |
16731-55-8 |
| Molecular Formula |
K2S2O5 |
Molecular Weight |
222.31 |
| H.S.Code |
2832.2010 |
Shelf Life |
5 Years |
|
Physical Properties
| Physical state at 20C |
Solid |
Colour |
White Crystalline |
Odor |
Odourless |
Specifications
| Description |
White Crystalline Powder |
| Assay |
95.0 - 99.9 % |
| pH (5% solution Water) |
3.0 – 4.5 |
| Iodometric , SO2 |
54.8 - 57.6% |
| Chloride (CI) |
NMT. 0.05% |
| Heavy Metals (as Pb) |
NMT . 0.001% |
| Arsenic (As) |
NMT. 0.0002% |
| Iron (Fe) |
NMT. 0.002% |
| Selenium (Se) |
NMT. 0.0005% |
