Sulphur Dioxide is permitted but requires specific warning statements in Canada: declare as "sulphites or specific salt name" with the required warning: Major allergen: must declare when present.
Sulphur dioxide (E220) and sulphites are preservatives and antioxidants used in dried fruit, wine, fruit juices, and processed potato products. In Canada, Sulphur Dioxide is regulated under FDR & Safe Food for Canadians Regulations as a food preservative. Health Canada requires sulphites declaration as a priority allergen. The general rule is any intentional addition must be declared. Threshold >10ppm triggers mandatory allergen labeling.
LabelGuard scans your label for Sulphur Dioxide and all its common names (E220, SO2, Sulfur dioxide, Sulphites) to verify correct declaration, required E-numbers, and mandatory warning statements under Canada rules.
Start Your Compliance CheckSulphur dioxide (E220) and sulphites are preservatives and antioxidants used in dried fruit, wine, fruit juices, and processed potato products. It commonly appears in: Dried apricots, Wine, Beer, Fruit juices, Sausages.
Sulphites are treated like an allergen in every major market: above 10 mg/kg or 10 mg/L they must be declared on the label because they can trigger asthma attacks and bronchospasm in sensitive people. EFSA’s 2022 re-evaluation flagged the need to reduce overall dietary exposure.
Declare as "sulphites or specific salt name" in the ingredient list. A mandatory warning must also appear: Major allergen: must declare when present. Health Canada requires sulphites declaration as a priority allergen. The general rule is any intentional addition must be declared. Threshold >10ppm triggers mandatory allergen labeling.
Sulphur Dioxide may appear under the following names: E220, SO2, Sulfur dioxide, Sulphites, E221-E228 (sulphite salts). Common hidden sources include: Dried apricots, Wine, Beer, Fruit juices, Sausages, Pickled vegetables, Shrimp.
Requires mandatory warnings in: EU, UK, US, Canada, Australia.
Last updated: 2026-07-20
Disclaimer: This information is for guidance only and does not constitute legal advice. Always consult official regulations and seek professional legal advice for specific compliance questions.
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