What is E938?

Argon is a chemical element; it has symbol Ar and atomic number 18. It is in group 18 of the periodic table and is a noble gas. E938 sits in the E900–E999 series, which in the EU classification mainly covers glazing agents, gases and sweeteners.

What is E938 used for?

E938 belongs to the packaging gases group. Packaging gases are used in packaging to extend shelf life, like nitrogen and CO2.

Is E938 safe?

E938 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 E938 appears on labels

On food packaging you'll find E938 either as the number “E938” or by the name “Argon” 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 E938 vegan?

Yes, E938 is suitable for vegans.