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SODIUM METABISULPHITE AR/ACS
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC1806 | AR/ACS | 97% | 7681-57-4 | Na2S2O5 | 190.1 | 2832.1090 | 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 | Sulphorous |
| pH value | 4.5 at 50 g/l at 20 °C |
| Melting point/ Freezing point [°C] | 300 °C |
| Density [g/cm3] | 1.48 |
| Solubility in water [% weight] | 650 g/l at 20 °C |
| Partition coefficient Log Pow octanol / water at 20°C | -3.7 |
Specifications
| Appearance | White crystalline powder |
| Assay | Min. 97.0% |
| Insoluble matter in water | Max. 0.005% |
| Chloride (Cl) | Max. 0.005% |
| Arsenic (As) | Max. 0.0001% |
| Phosphate (PO4) | Max. 0.002% |
| Thiosulphate (S2O3) | Max. 0.05% |
| Heavy metal (as Pb) | Max. 0.001% |
| Iron (Fe) | Max. 0.002% |
Safety Information and Hazard Symbols
|
|
|---|---|
| Symbol | GHS05, GHS07 |
| Signal Word | Danger |
| UN No. | |
| IMCO Class No. | |
| Packing Group | |
| Hazardous Statement | H302-H318 |
| Precaution Statement | P280-P305 + P351 + P338 |
| Risk Statement | |
| Safety Statement | |
Revision Date : 16-Nov-2015
Certificate of Analysis (COA's)
To download COA please enter the batch number below