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Sodium Sulfite

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Sodium Sulfite
Chemisches Produkt

Sodium Sulfite

SummenformelNa2SO3 CAS7757-83-7 Molekulargewicht126.04 g/mol
SynonymeSodium Sulfite Anhydrous
Safety & Hazards (GHS) Danger
Corrosive Corrosive

⚠️ For information only; not a substitute for the official Safety Data Sheet (SDS).

Sodium Sulfite is an inorganic compound used primarily as a reducing agent, in water treatment, and in chemical processes.
- Water Treatment: Used as a dechlorinating agent and in softening water. - Chemical Manufacturing: Applied in the production of sulfur dioxide and other chemicals. - Photography: Used in photographic developers as a reducing agent. - Food Industry: Sometimes used as a preservative in dried fruits and wines.
AppearanceWhite crystalline solid
OdorSlight sulfurous odor
Molecular FormulaNa2SO3
Molecular Weight126.04 g/mol
Melting Point300 °C
Density2.63 g/cm³
SolubilitySoluble in water
Flash PointNot applicable
Chemical StabilityStable under normal conditions, but decomposes when exposed to moisture and acids
IUPAC Namedisodium;sulfite
SummenformelNa2SO3
Molekulargewicht126.04 g/mol
SMILES[O-]S(=O)[O-].[Na+].[Na+]
InChIKeyGEHJYWRUCIMESM-UHFFFAOYSA-L
  • H314 Causes severe skin burns and eye damage

⚠️ For information only; not a substitute for the official SDS.

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