E946 Octafluorocyclobutane

What is Octafluorocyclobutane (E946)?

E946, or octafluorocyclobutane, is a fluorocarbon gas used in the food industry as a packaging gas. It helps preserve the shelf life of products by preventing oxidation and inhibiting microbial growth. This gas is often used in airtight food packaging to maintain freshness for an extended period.

Why do I have an intolerance?

Intolerance to octafluorocyclobutane can arise due to its chemical properties. Although it’s used in trace amounts, some individuals may experience adverse reactions such as respiratory discomfort, dizziness, or gastrointestinal upset. The gas is typically sealed in packaging, but sensitive individuals may react when opening such containers.

What can I do about it?

If you have an intolerance to octafluorocyclobutane, it's important to avoid pre-packaged foods that use this gas as a preservative. Fresh, unpackaged foods are a better alternative. Reading labels and opting for minimally processed or naturally preserved products can also help minimize exposure.