Other additives · Food additive

Isobutane (E943B)

Updated October 2, 2026

Isobutane (E943B) is a food additive in the “other additives” group. It appears in 35 products in our database, 16 of them sold in the US.

Quick facts

Also known as
E943B
E-number
E943B
Function
Other additives
Found in
35 products (16 sold in the US)

Foods that commonly contain Isobutane

Share of published products in each category whose ingredient list includes Isobutane.

Popular products with Isobutane

Isobutane-free alternatives

Popular products from the same categories that don't list Isobutane and score Nutri-Score A–C.

How to spot Isobutane on a label

Look for any of these names in the ingredient list:

IsobutaneE943B

Related additives

Frequently asked questions

What foods contain Isobutane?

In our database, Isobutane most often appears in vegetable oils, vegetable fats, fats and vegetable oil sprays.

How many products contain Isobutane?

35 published products on Foodmetria list Isobutane, including 16 sold in the United States. Counts come from ingredient lists in Open Food Facts and update daily.

Product data: Open Food Facts (ODbL), updated daily. Additive information is for general education and is not medical advice. Always check the package label. Our methodology.