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SODIUM DITHIONITE Extra Pure
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC1795 | Extra Pure | 85% | 7775-14-6 | Na2S2O4 | 174.11 | 2831.1010 | 24 Months |
Packings
| 500 g,25 Kg,50 Kg |
Physical Properties
| Physical state at 20 °C | Solid |
| Colour | White crystalline |
| Odour | Distinct sulfur dioxide odor |
| pH value | 7 - 9 |
| Melting point/ Freezing point [°C] | 300 °C |
| Vapour density | 3.6 |
| Density [g/cm3] | 2.19 |
| Solubility in water [% weight] | Soluble in water |
| Partition coefficient Log Pow octanol / water at 20°C | -4.7 |
Specifications
| Appearance | White crystalline powder |
| Assay (iodometric) | 85 - 87%* |
| Iron (Fe) | Max 0.002% |
| * At the moment of batch analysis | - |
Safety Information and Hazard Symbols
|
|
|---|---|
| Symbol | GHS02, GHS07 |
| Signal Word | Danger |
| UN No. | 1384 |
| IMCO Class No. | 4.2 |
| Packing Group | II |
| Hazardous Statement | H251-H302 |
| Precaution Statement | P235 + P410 |
| Risk Statement | |
| Safety Statement | |
Revision Date : 23-Nov-2020
Certificate of Analysis (COA's)
To download COA please enter the batch number below