Sodium Metabisulfite

Sodium metabisulfite is a solid chemical that appears either powdery or crystallized. It is white or yellowish depending on its form and gives off a sulphurous odor.


This chemical has many different and specific applications but is more commonly used as an antioxidant or as a preservative to preserve food and drinks. This product is also used as a sanitizing and cleaning agent, to name just a few other applications.

  • Chemical formula of sodium metabisulfite: Na2S2O5
  • Synonyms of metabisulfite: sodium pyrosulfite, sodium pyrosulphite

Formats and concentrations of sodium metabisulfite

UBA supplies solid sodium metabisulfite in 25 kg bags to a variety of industries in Quebec, Ontario, the Maritime provinces and even the northeastern United States. Several industries such as the automotive industry, chemical manufacturers and the agricultural industry can benefit from this product in their manufacturing or servicing process.

UBA is a chemical distributor that has excelled for over 60 years in the safe distribution of bulk, partial-bulk and packaged chemicals. Its strategic geographic positioning in Quebec and Ontario, and its broad expertise ensure the peace of mind of many companies from various markets.

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  • * For logistical reasons, we only serve Quebec, Ontario, the Maritimes and the Northeastern United States for bulk, semi-bulk, totes, delcans, pails and drums. For bottled formats only, the company serves North America.

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