Sodium Metabisulfite 19-032 50lb Bag


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as of 12/02/2023 (Details)

CAS Number: 7681-57-4 Molecular Formula: Na2S2O5 Molecular Weight: 190.1

Technical Details

  • Physical State: White or slightly yellow crystal powder Melting Point: 150 °C Specific Gravity (H2O=1): 1.4 Solubility in Water: 45% in water at 20 C Decomposition temperature: Approx 150 C PH: 4.5 (1% solution)
  • Reducing agent for chemical manufacturing. Preservative. Auxiliary for water treatment film and photographic industry. Bleaching agent. Ensiling agent.

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