SODIUM DITHIONITE 85% EXTRAPURE
| Product Code | B-02404 | BRAND | Bio-Chem |
|---|---|---|---|
| Grade | EXTRAPURE | CAS No | 7775-14-6 |
| Molecular Formula | Na2S2O4 | Molecular Weight | 174.11 |
| H.S.Code | 2831.10100 | Shelf Life | 60 Months |
| Purity | 85 % |

Physical Properties
| Physical state at 20 °C | Solid | Colour | White Crystalline |
|---|---|---|---|
| Odour | Distinct sulfur dioxide odor | Solubility in water [% weight] | Soluble in water |
| Melting point/ Freezing point [°C] | 300 °C | Vapour density | 3.6 |
| pH value | 7 - 9 | Density [g/cm3] | 2.19 |
| Partition coefficient Log Pow octanol / water at 20°C | -4.7 |
Packaging

Specification
| Appearance | White crystalline powder |
| Assay (iodometric) | 85 – 87%* |
| Iron (Fe) | Max 0.002% |
Safety Information and Hazard Symbols

Symbol: GHS02, GHS05 , GHS07
Signal Word: Danger
UN No.: 1384
IMCO Class No.: 4.2
Packing Group: II
Hazardous Statement: H251-H302
Precaution Statement: P235 + P410
