SODIUM SULPHITE ANHYDROUS 95% EXTRAPURE
| Product Code | B-02515 | BRAND | Bio-Chem |
|---|---|---|---|
| Grade | EXTRAPURE | CAS No | 7757-83-7 |
| Molecular Formula | Na2SO3 | Molecular Weight | 126.04 |
| H.S.Code | 2830.10000 | Shelf Life | 60 Months |
| Purity | 95 % |
Physical Properties
| Physical state at 20 °C | Solid | Colour | White crystalline |
|---|---|---|---|
| Odour | Odorless | pH Value | 9.0 - 10.5 at 126 g/l at 25 °C |
| Density [g/cm3] | 1.86 | Solubility in water [% weight] | Soluble in water |
| Melting point/ Freezing point [°C] | 500°C |
Packaging
Specification
| Appearance | White crystalline powder |
| Assay (iodometric) | 95 – 100.5% |
| SO2 | Min 48% |
| Identity | Passes test |
| Appearance of solution | Passes test |
| Thiosulphate (S2O3) | Max 0.04% |
| Arsenic (As) | Max 0.0002% |
| Heavy metal (as Pb) | Max 0.001% |
| Iron (Fe) | Max 0.001% |
| Copper (Cu) | Max 0.0005% |
| Selenium (Se) | Max 0.001% |
| Zinc (Zn) | Max 0.0025% |
Safety Information and Hazard Symbols
Symbol: GHS05, GHS06, GHS09
Signal Word: Danger