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Sodium Metabisulfite

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Sodium Metabisulfite
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Sodium Metabisulfite

Молекулярная формулаNa2S2O5 CAS7681-57-4 Молекулярная масса190.21 g/mol
СинонимыDisodium Metabisulfite
Safety & Hazards (GHS) Danger
Corrosive Corrosive Irritant Irritant

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

Sodium Metabisulfite is an inorganic compound used primarily as a reducing agent, in the food industry as a preservative, and in chemical manufacturing.
- Food Industry: Used as a preservative and antioxidant in various food products, including dried fruits. - Water Treatment: Applied as a dechlorinating agent in water treatment processes. - Chemical Manufacturing: Used in the production of other chemicals and as a reducing agent in chemical reactions. - Photography: Used in the photographic industry for fixing and bleaching.
AppearanceWhite crystalline powder
OdorSlight sulfurous odor
Molecular FormulaNa2S2O5
Molecular Weight190.21 g/mol
Melting Point150 °C (decomposes)
Density1.48 g/cm³
SolubilitySoluble in water
Flash PointNot applicable
Chemical StabilityStable under dry conditions, but can decompose in the presence of moisture and acids
Молекулярная формулаNa2S2O5
Молекулярная масса190.21 g/mol
SMILES[O-]S(=O)S(=O)(=O)[O-].[Na+].[Na+]
InChIKeyHRZFUMHJMZEROT-UHFFFAOYSA-L
  • H302 Harmful if swallowed
  • H318 Causes serious eye damage

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

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