Functional Roles
Industries Served
Physical Properties
melting_point
Decomposes (NTP, 1992)
boiling_point
Decomposes (NTP, 1992)
density
2.633 at 59 u00b0F (USCG, 1999) - Denser than water; will sink
solubility
Soluble in 3.2 parts (NTP, 1992)
vapor_pressure
Negligible (NTP, 1992)
ph
8,5-11,5 (anhydrous: 10 % solution; heptahydrate: 20 % solution)
GHS / SDS Safety
Danger
Irritant
Corrosive
- H314 (51.8%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
- H315 (19.3%): Causes skin irritation [Warning Skin corrosion/irritation]
- Not Classified
- H302: Harmful if swallowed [Warning Acute toxicity, oral]
- H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H319 (21%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H302 (18.3%): Harmful if swallowed [Warning Acute toxicity, oral]
- Reported as not meeting GHS hazard criteria by 1 of 1 companies. For more detailed information, please visit ECHA C&L website.
Chemical Identity
| CAS Number | 7757-83-7 |
| IUPAC Name | disodium;sulfite |
| InChI Key | GEHJYWRUCIMESM-UHFFFAOYSA-L |
| PubChem CID | 24437 |
| INCI Name | SODIUM SULFITE |
Synonyms & Trade Names
Full Description
Used as an antioxidant and reducing agent in various industrial and water treatment processes.