In the medical field, butyl rubber is often used to manufacture stoppers for vials and bottles, ensuring airtight seals that protect pharmaceuticals from contamination. The material's inert nature means it does not react with the drugs it contains, making it a safe choice for sensitive medical products.

E20200 is widely used across multiple industries, with its primary applications in food preservation. The food industry utilizes this preservative in various products, including baked goods, cheeses, fermented products, and beverages. Its ability to inhibit mold growth makes it particularly valuable in products with high moisture content. For instance, E20200 is commonly found in wines, soft drinks, and certain dairy products to ensure that they remain fresh and safe for consumption over time.

Health Implications

Despite its advantages, the use of sulfur dioxide in food preservation prompts significant health considerations. Some individuals may experience sensitivity or allergic reactions to sulfites, the salts derived from sulfur dioxide. Symptoms can range from mild respiratory issues to severe reactions in asthmatic patients. Regulatory bodies, such as the Food and Drug Administration (FDA) and the European Food Safety Authority (EFSA), have established guidelines for the allowable levels of sulfites in food products to mitigate these risks. Foods containing sulfur dioxide must be labeled appropriately to inform consumers of its presence.