Sodium dithionite is an inorganic sodium salt that is the disodium salt of dithionous acid. It has a role as a bleaching agent and a reducing agent. It contains a dithionite(2-).
Flammable
Irritant
⚠️ For information only; not a substitute for the official Safety Data Sheet (SDS).
Sodium dithionite is an inorganic sodium salt that is the disodium salt of dithionous acid. It has a role as a bleaching agent and a reducing agent. It contains a dithionite(2-).
| Physical Description | Sodium dithionite is a whitish to light yellow crystalline solid having a sulfur dioxide-like odor. It spontaneously heats on contact with air and moisture. This heat may be sufficient to ignite su… |
| Color/Form | White or grayish-white crystalline powder |
| Odor | Faint sulfurous |
| Melting Point | 52 °C (decomposes) |
| Flash Point | about 100 °C (open cup) |
| Density | 2.38 g/cu cm |
| Solubility | Slightly sol in alcohol; very soluble in water |
| Stability/Shelf Life | Avoid formation of dust and aerosols. Provide appropriate exhaust ventilation at places where dust is formed. Keep away from combustible material. |
| Molecular Formula | Na2O4S2 |
| Molecular Weight | 174.11 g/mol |
| CAS | 7775-14-6 |
| SMILES | [O-]S(=O)S(=O)[O-].[Na+].[Na+] |
| InChIKey | JVBXVOWTABLYPX-UHFFFAOYSA-L |
| Catalog No | KC.1910176 |
| Pack sizes | 500GM |
⚠️ For information only; not a substitute for the official SDS.