Glazing agent, gas or sweetener

Is E943b (Isobutane) halal?

Not classified. An older note called this halal or haram. That note is not the current label.

UnverifiedNot enough reliable source evidence to classify

Not classified. An older note called this halal or haram. That note is not the current label.

What we know

Named sources are on this page. Classification: Insufficient evidence.

What we don’t know

See the sources for the limits of each position.

Why it matters

Not enough reliable source evidence to classify

What to verify

For E943b in this product: is the source plant, synthetic, or animal? If animal, which species and slaughter method?

What the sources say

E943b Isobutane is an authorised UK/EU additive. Identity only — not a fatwa.
Insufficient Evidence No grade A/B certifier page is cited yet. This row exists so the name is searchable. It is not a ruling. Muttoo catalogue desk (editorial note · grade C: secondary reference · accessed 2026-09-16)
E943b Isobutane
Authorised identity (not a fatwa) E943b appears on the UK FSA approved additives list. UK Food Standards Agency (food-safety regulator (identity only) · grade A: primary source · accessed 2026-09-16)

Where you will run into it

Quick facts

E-numberE943b
NameIsobutane
Also on labels asE943b, isobutane, Iso-butane, E943b iso-butane, isobutane propellant
Additive classGlazing agent, gas or sweetener
ClassificationInsufficient evidence
Source last accessed2026-09-16

Common questions

Is E943b (Isobutane) halal?

Isobutane is classified as Insufficient evidence. Not classified. An older note called this halal or haram. That note is not the current label.

Is Isobutane halal or haram?

On the evidence cited on this page, Isobutane is insufficient evidence. Not enough reliable source evidence to classify Every position is attributed to a named certifier or scholarly body with a link, so you can verify it directly.

What else is Isobutane called on ingredient labels?

It can appear as: E943b, isobutane, Iso-butane, E943b iso-butane, isobutane propellant.

Where does this page's information come from?

Every position on this page is attributed to a named certifier or scholarly body with a direct link, listed under 'What the sources say'. Muttoo aggregates and cites; it does not issue rulings.

Related lookups

Record enumber-e943b-isobutane · report an error