Knowledge

Difference Between Sodium Metasulfate and Sodium Metabisulfite

• Sodium Metasulfate:
  • Common Formula: There is no widely recognized compound called "sodium metasulfate" in chemistry literature.
  • Possible Confusion: Sometimes, the name is mistakenly used when referring to other sulfates or metabisulfites.
  • Summary: "Sodium metasulfate" is not a standard chemical name, and it may be a misnomer.
• Sodium Metabisulfite:
  • Chemical Formula: Na₂S₂O₅
  • Uses: Preservative, antioxidant, and disinfectant in food, winemaking, and water treatment.
  • Properties: White crystalline powder with a pungent sulfur odor, dissolves in water to form sodium bisulfite.

Summary

Sodium metabisulfite (Na₂S₂O₅) is a well-known chemical compound with various industrial applications. "Sodium metasulfate" is not a standard chemical term, and its use generally stems from confusion or misnaming.