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Propellant

E943b (isobutane): what it is, its sources, vegan or not

E943b is isobutane, a propellant. E943b can come from natural gas or petroleum. Vegan and vegetarian profiles get Fits you.

Decode another E-numberWhich E-numbers come from animals?Add vegan to my profile

By Bravoora teamUpdated Sources checked 4 sourcesHow we check

Fits you

for a vegan profile

E943b=natural gas or petroleum

What is E943b?

E943b (isobutane) is a propellant, an additive that pushes a food out of its container, as in a spray can. Allowed in the EU only in pan sprays that stop food sticking.

What is E943b made from?

  • Natural gas
  • Petroleum

Is E943b vegan?

Fits you. E943b can come from natural gas or petroleum. Nothing from an animal.

Bravoora is a calorie tracker and ingredient checker app. Scan a pack, a supplement or a skincare label and it answers for each person on your plan.

What the app says to each profile, and the reason it shows.

VeganFits youE943b can come from natural gas or petroleum. Nothing from an animal.
VegetarianFits youE943b can come from natural gas or petroleum. Nothing from an animal.

What other names does E943b have on a label?

Any of these on a pack means E943b. The checker reads them all.

E943bE 943bE-943bINS 943bPropellant (943b)Propellant (E943b)Isobutane

What would change the answer for E943b?

For E943b, only the ingredient list itself. A code the camera cannot read gets Needs one more scan, and the app never guesses a code it cannot see.

Sources: EU, US and Codex additive rules

Where additives are listed and approved. Bravoora reads the source and the diet; it does not rate the hazard.

  1. EU Regulation 1333/2008 on food additives (the E-number list)
  2. EU Regulation 1169/2011, Annex II: the allergen sources a label must name
  3. US FDA: Food Additive Status List
  4. FAO/WHO Codex: General Standard for Food Additives (GSFA) online

Names and classes cross-checked with Open Food Facts (Open Database License).

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