The Acinor Safety Data Sheet provides hazard, handling, storage, and regulatory information for anhydrous sodium sulphite.
This Safety Data Sheet (SDS) for anhydrous sodium sulphite complies with EU REACH and CLP regulations. It identifies the substance, lists its chemical identifiers, and provides supplier contact details.
The document covers hazards, first‑aid measures, fire‑fighting instructions, accidental release procedures, safe handling and storage, exposure controls, physical‑chemical properties, stability, toxicology, ecological impact, disposal, transport, and regulatory information.
| Chemical formula | Na2SO3 |
|---|---|
| CAS number | 7757-83-7 |
| EC number | 231-821-4 |
| Molecular weight | 126.04 g/mol |
| Density | 2.63 g/cm³ |
| Melting point | > 500 °C |
| Solubility in water (20 °C) | 210–250 g/L |
| pH (10 g/L solution) | ~10 |
| Partition coefficient (log P) | -4 |
Remove the victim from the source, provide fresh air and rest, and seek medical attention if symptoms persist.