Is Triacetin and diacetin (E1518, E1517) Halal?
It depends on what the label says.
Halal if verified
High confidence About this ruling
About this ruling
- Condition
- Source disclosure is incomplete
- Evidence confidence
- High means this page cites a primary regulator listing and a named Halal certifier listing, retrieved 16 August 2026. That describes the quality of the sources on this page—not a Halal certificate for the pack or outlet in your hand.
E1517 and E1518 are glycerol acetates used as carriers and humectants in flavours and chewing gum.
Evidence at a glance
Named sources used for this page. Open the full Sources block for notes and citation numbers.
| Source | Type | Retrieved |
|---|---|---|
| 21 CFR § 184.1901 triacetin U.S. eCFR | Regulatory / labelling | |
| Regulation (EC) No 1333/2008 on food additives European Union | Regulatory / labelling | |
| European Commission — Food additives European Commission | Regulatory / labelling | |
| Codex GSFA online FAO / WHO Codex | Regulatory / labelling | |
| SANHA — E-numbers SANHA | Certifier / jurisdiction | |
| U.S. FDA — Food additives U.S. Food and Drug Administration | Regulatory / labelling |
Additive identity
Possible source pathways
The finished molecule can be identical across feedstocks. The Halal ruling follows the pathway, not the code alone.
- plant · Typical Halal Usual food grade is vegetable glycerol or plant oil.
- animal Halal if verified Glycerol or fatty acids can be split from tallow. Pork or non-zabiha fat is haram.
- undisclosed · Typical Halal if verified Labels rarely name the glycerol. Treat as mashbooh until a plant, vegan, or Halal claim settles it.
Why this ruling
Diacetin (E1517) and triacetin (E1518) are glycerol acetates. They inherit glycerin's plant-versus-animal question, so unlabeled lots are Halal if verified.[2][4]
Where you'll find it
- Flavour carriers
- Chewing-gum plasticiser
How to verify
1) Match E1517, E1518, triacetin, or diacetin. 2) Prefer vegetable-glycerol or Halal-certified flavour houses. 3) See glycerin for the parent question.
- Triacetin follows glycerol.
- Not ethanol.
- Silence is mashbooh.
Conditions for Halal
- Vegetable-glycerol triacetin / Halal-certified flavour → Halal
- Animal glycerol: Halal if verified or haram if pork
- Unspecified E1518 → Halal if verified
Scholarly differences
Same ruling family as glycerin: plant glycerol is Halal; undisclosed glycerol is mashbooh.
Frequently asked questions
Is triacetin synthetic?
Is it alcohol?
Sources
Named Islamic, certifier, manufacturer, and regulatory sources used on this page. Inline markers like [1] jump here. Retrieval dates show when we last checked the live URL. Editorial methodology.
Certifier / jurisdiction
Regulatory / labelling
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U.S. eCFR
U.S. identity / GRAS or colour-additive listing—not a Halal ruling.
Retrieved:
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Regulation (EC) No 1333/2008 on food additives
European Union
Union-list identity—not a Halal certificate.
Retrieved:
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-
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U.S. Food and Drug Administration
US identity / labelling context—not a Halal ruling.
Retrieved:
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