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Sodium Hydrosulfite

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Sodium Hydrosulfite
Produit chimique

Sodium Hydrosulfite

Formule moléculaireNa2S2O4 CAS7775-14-6 Masse moléculaire174.23 g/mol g/mol
SynonymesSodium Dithionite
Safety & Hazards (GHS) Danger
Flammable Flammable Irritant Irritant

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

Sodium Hydrosulfite is a reducing agent used in bleaching, chemical synthesis, and in textile industries.
- Bleaching: Used in the bleaching of textiles, wood pulp, and other materials. - Chemical Synthesis: Applied in the reduction of aldehydes and ketones in organic chemistry. - Textile Industry: Used in the reduction of dyes and in fabric treatment. - Laboratory Reagents: Used in laboratory chemical processes as a reducing agent.
AppearanceWhite crystalline powder
OdorOdorless
Molecular FormulaNa2S2O4
Molecular Weight174.23 g/mol
Melting PointDecomposes above 150 °C
Density1.68 g/cm³
SolubilitySoluble in water
Flash PointNot applicable
Chemical StabilityStable under normal conditions but decomposes in the presence of moisture or acid
Formule moléculaireNa2S2O4
Masse moléculaire174.23 g/mol g/mol
SMILES[O-]S(=O)S(=O)[O-].[Na+].[Na+]
InChIKeyJVBXVOWTABLYPX-UHFFFAOYSA-L
  • H251 Self-heating; may catch fire
  • H302 Harmful if swallowed
  • H303 May be harmful if swallowed
  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
  • H402 Harmful to aquatic life
  • H412 Harmful to aquatic life with long lasting effects

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

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