E943BRegulatory attention
Isobutane
Function: Food Additive
E943B is the European food-additive number for Isobutane. Isobutane (E943b) is a food additive used as a food additive.
Is E943B safe or restricted?
E943B is approved for use in the EU but has drawn regulatory attention — its conditions of use or acceptable daily intake have been re-examined by EFSA or equivalent bodies. Forkin classifies it as “Regulatory attention” and does not make health claims. See the methodology for how regulatory levels are assigned.
Frequently asked questions about E943B
- What is E943B?
- E943B is the E-number for Isobutane. Isobutane (E943b) is a food additive used as a food additive.
- Is E943B vegan or vegetarian?
- It depends on the source. Many additives can be produced from plant, mineral, or animal-derived raw materials, and the ingredient list rarely states which was used. The Forkin app shows the verified vegan and vegetarian status per product where it's known, instead of a blanket guess.
- Is E943B safe, and is it banned anywhere?
- E943B is approved for use in the EU but has drawn regulatory attention — its conditions of use or acceptable daily intake have been re-examined by EFSA or equivalent bodies. Forkin classifies it as "Regulatory attention" and does not make health claims — see the methodology page for how regulatory levels are assigned, and the Forkin app for the full profile, including acceptable daily intake (ADI) and restrictions by country.
See the full profile in Forkin
The Forkin app surfaces the full regulatory profile of E943B — acceptable daily intake (ADI), restrictions by country, vegan/vegetarian status, alternative names, and which products in your scan history contain it.