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Potassium metabisulfite

Food preservative, designated E224.
Technical sheet
Safety data sheet
Potassium metabisulphite is a chemical additive that takes the form of a creamy-white crystalline powder and has a characteristic smell of sulphur dioxide, sometimes pungent. This compound performs several functions in the food and wine industry, including:

  • Antiseptic capacity: potassium metabisulphite is used to prevent the growth of undesirable microorganisms such as yeasts, bacteria and moulds in food and wine products. Its presence prevents contamination and helps keep products more stable.
  • Acidifying function: potassium metabisulphite can lower the pH of food products or wines, helping to maintain an acidic environment that hinders the growth of unwanted microorganisms.
  • Antioxidant capacity: this compound acts as an antioxidant, helping to prevent oxidation of product components, which can improve its shelf life and organoleptic quality.
  • Sterilisation: in an aqueous solution (generally 20 g of potassium metabisulphite per litre of water), potassium metabisulphite can be used to sterilise containers, equipment and bottles, helping to reduce the risk of contamination by unwanted microorganisms.

Potassium metabisulfite 100%.

Refer to the regulations in force in the field of use.
Indicate the product on the label.

Refer to the regulations in force in the field of use.
Indicate the product on the label.

0.250 kg, 1 kg, 5 kg bag or of 10 and 25 kg bag.
Store in a cool, dry place and away from heat sources.
Do not store the product in metal containers.

Potassium metabisulphite is a chemical additive that takes the form of a creamy-white crystalline powder and has a characteristic smell of sulphur dioxide, sometimes pungent. This compound performs several functions in the food and wine industry, including:

  • Antiseptic capacity: potassium metabisulphite is used to prevent the growth of undesirable microorganisms such as yeasts, bacteria and moulds in food and wine products. Its presence prevents contamination and helps keep products more stable.
  • Acidifying function: potassium metabisulphite can lower the pH of food products or wines, helping to maintain an acidic environment that hinders the growth of unwanted microorganisms.
  • Antioxidant capacity: this compound acts as an antioxidant, helping to prevent oxidation of product components, which can improve its shelf life and organoleptic quality.
  • Sterilisation: in an aqueous solution (generally 20 g of potassium metabisulphite per litre of water), potassium metabisulphite can be used to sterilise containers, equipment and bottles, helping to reduce the risk of contamination by unwanted microorganisms.

Potassium metabisulfite 100%.

Refer to the regulations in force in the field of use.
Indicate the product on the label.

Refer to the regulations in force in the field of use.
Indicate the product on the label.

0.250 kg, 1 kg, 5 kg bag or of 10 and 25 kg bag.
Store in a cool, dry place and away from heat sources.
Do not store the product in metal containers.

Combine potassium metabisulphite with:

L-ascorbic acid

for protection against oxidising agents

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Sorbic acid

for specific action against yeasts and moulds

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