1. Production:
   • Sodium metabisulfite can be obtained by oxidation of sodium bisulfite.
2. Areas of Use:
   • Food Industry: Sodium metabisulphite is used in the processing and preservation of food products.
   • Water Treatment: It can be used as a disinfectant in water treatment processes.

Sodium Metabisulfite Properties:

• Chemical Formula Na2S2O5
• Molecular Weight: Approximately 190.11 grams/molecule
• Physical Condition: White crystalline or powder
• Odor Odorless
• Resolution: It dissolves well in water.
• Danger Symbols: Contact with skin and eyes may cause irritation.