What is E942?

Nitrous oxide, commonly known as laughing gas or nitrous, among others, is a chemical compound, an oxide of nitrogen with the formula N2O. At room temperature, it is a colourless non-flammable gas, and has a slightly sweet scent and flavour. E942 sits in the E900–E999 series, which in the EU classification mainly covers glazing agents, gases and sweeteners.

What is E942 used for?

E942 belongs to the packaging gases group. Packaging gases are used in packaging to extend shelf life, like nitrogen and CO2.

Is E942 safe?

E942 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 E942 appears on labels

On food packaging you'll find E942 either as the number “E942” or by the name “Nitrous oxide” 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 E942 vegan?

Yes, E942 is suitable for vegans.