Flavor ingredient regulatory record
Nona-2,4,6-trienal
Nona-2,4,6-trienal is an aldehyde in the fruity family, FEMA GRAS under FEMA number 4187 (CAS 57018-53-8). Its odor is green, fruity, fresh, cucumber, grassy.
- FEMA
- 4187
- CAS
- 57018-53-8
- JECFA
- 1785
- EU FL
- 05.173
GRAS status: FEMA GRAS, publication 22. Recorded by FDA in the Substances Added to Food inventory under CAS 56269-22-8.
Structure
Under review
The structure for Nona-2,4,6-trienal is still under identity review, so no drawing is shown until the record is confirmed.
Identity
Also known as: 2,4,6-nonatrienal, (2e,4e,6e)-, (e,e,e)-nona-2,4,6-trienal, 2,4,6-nonatrienal, (e,e,e)-, trans,trans,trans-nona-2,4,6-trienal, (2e,4e,6e)-2,4,6-nonatrienal, (2e,4e,6e)-nona-2,4,6-trienal, 2e,4e,6e-nonatrienal, (e,e,e)-2,4,6-nonatrienal, (2e,4e,6e)-2,4,6-nonatrienal (>90%), nonadienalen.
Can Nona-2,4,6-trienal be labeled natural?
Nature occurrence: Not yet found in nature (provisional).
Nature occurrence has not been settled for this substance, so the natural or artificial class is not stated here. The FEMA GRAS status does not depend on it.
Regulatory status, with citations
United States
Nona-2,4,6-trienal is FEMA GRAS under FEMA number 4187. It is cited in the Code of Federal Regulations at 21 CFR 172.515.
European Union and United Kingdom
Listed on the Union List of flavouring substances as FL 05.173, Annex I Part A under Regulation (EC) 1334/2008, evaluation status approved (EFSA). The UK retains the same list.
JECFA (WHO / FAO)
JECFA number 1785, evaluated at the 68th meeting in 2007. No safety concern at current levels of intake when used as a flavouring agent.
Other US flags
Not on the California Proposition 65 list.
Odor and taste
Odor: Green, fruity, fresh, cucumber, grassy.
Where it is used
Nona-2,4,6-trienal is used in beverage, confection, fruit flavors and savory dishes, typically as a fruity note.
Structurally similar flavor ingredients
Flavor ingredients with a GRAS determination closest to Nona-2,4,6-trienal by structure. Whether one can replace it is a sensory and regulatory call; the reformulation tool works that through.
| Material | FEMA | Similarity | Occurrence |
|---|---|---|---|
| 2,4,7-Decatrienal | 4089 | 97% | In nature |
| 2-trans,6-trans Nonadienal | 3766 | 97% | In nature |
| Nona-2(trans),6(cis)-dienal | 3377 | 97% | In nature |
| 2,4-Nonadienal | 3212 | 97% | In nature |
| 2-trans,6-trans Octadienal | 3466 | 93% | In nature |
More aldehydes in this index
6-Methyloctanal · Undecanal · p-Methoxy-alpha-methyl-cinnamaldehyde · cis-4-Hexenal · p-Menth-1-en-9-al · Heptanal
Nona-2,4,6-trienal FAQ
Is nona-2,4,6-trienal on the FEMA GRAS list?
It is. FEMA number 4187 covers nona-2,4,6-trienal. The Code of Federal Regulations lists it at 21 CFR 172.515.
What is the FEMA number for nona-2,4,6-trienal?
The FEMA number for nona-2,4,6-trienal is 4187 and its CAS registry number is 57018-53-8. Its flavor category is fruity.
What is nona-2,4,6-trienal used for?
Nona-2,4,6-trienal is described as green, fruity, fresh, cucumber, grassy. It shows up in beverage, confection, fruit flavors and savory dishes.
What did JECFA conclude about nona-2,4,6-trienal?
JECFA evaluated nona-2,4,6-trienal at the 68th meeting in 2007 under JECFA number 1785. The panel concluded: No safety concern at current levels of intake when used as a flavouring agent.
Is nona-2,4,6-trienal approved in the EU?
Yes. FL 05.173 is the Union List entry for nona-2,4,6-trienal, annex I Part A, under Regulation 1334/2008, and the UK keeps the same list.
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Sources and attribution. The identity and regulatory facts on this page are taken from the FDA Substances Added to Food inventory, a US government record, which lists this substance as NONA-2,4,6-TRIENAL under CAS 56269-22-8 and carries its FEMA number, its JECFA flavor number. The inventory is searchable at FDA. FDA records its technical effect as flavoring agent or adjuvant.
A FEMA GRAS conclusion is reached by the Expert Panel of the Flavor and Extract Manufacturers Association of the United States, and the FEMA number names that conclusion. FEMA publishes its own entry for this substance in the FEMA Flavor Library, which is the authoritative record of what the Panel decided and is worth reading alongside this page.
Ambrose Compliance is not affiliated with, endorsed by, or sponsored by FEMA. FEMA and FEMA GRAS are used here as identifiers for a published regulatory determination, not as marks of any relationship between FEMA and Ambrose.
About this page. Facts come from the FDA Substances Added to Food inventory, the Code of Federal Regulations, the EPA TSCA Inventory, the EU Union List, JECFA and the Ambrose database, with FEMA's published determination cited where it applies; parts of the text are written by Ambrose AI, which can make mistakes. Check the cited source before relying on anything here. This is not regulatory or legal advice.