E943b Isobutane

What is Isobutane (E943b)?

E943b, also known as isobutane, is another hydrocarbon gas used similarly to butane. It serves as a propellant in aerosol sprays and food packaging. Isobutane helps to prevent spoilage and is often found in products like whipped cream cans, cooking sprays, and some food storage containers to maintain freshness.

Why do I have an intolerance?

Intolerance to isobutane may occur due to the body's adverse reaction to the gas. While it’s used in small amounts in food products, some individuals may have sensitivities that lead to symptoms like difficulty breathing, nausea, or mild gastrointestinal discomfort. The intolerance may be triggered by inhalation or ingestion of the gas in aerosolized form.

What can I do about it?

If you experience intolerance to isobutane, it’s best to avoid foods and products that contain it. Reading labels carefully, especially on aerosolized products like cooking sprays, can help identify it. Opting for non-aerosol alternatives, such as manual oil dispensers or butter, can further reduce exposure.