What is E943b?

E943b (Iso-butane) is a packaging gases food additive. Propellant gas. E943b sits in the E900–E999 series, which in the EU classification mainly covers glazing agents, gases and sweeteners.

What is E943b used for?

E943b belongs to the packaging gases group. Packaging gases are used in packaging to extend shelf life, like nitrogen and CO2.

Is E943b safe?

E943b is considered safe at the levels used in food and is approved for use in the EU. “Safe” means it is approved in the EU and regarded as safe at the levels used in food.

How E943b appears on labels

On food packaging you'll find E943b either as the number “E943b” or by the name “Iso-butane” in the ingredient list, often after its function. Ingredients are listed in descending order by weight, so an additive near the end is present only in small amounts.

Is E943b vegan?

Yes, E943b is suitable for vegans.