Flavor ingredient regulatory record
5-Oxodecanoic acid
5-Oxodecanoic acid is an acid in the fruity family, FEMA GRAS under FEMA number 4456 (CAS 624-01-1). Its odor is fruity, fatty, waxy, green.
- FEMA
- 4456
- CAS
- 624-01-1
- JECFA
- 1960
- Formula
- C10H18O3
GRAS status: FEMA GRAS, publication 24. Recorded by FDA in the Substances Added to Food inventory under CAS 624-01-1.
Structure
Identity
Also known as: decanoic acid, 5-oxo-, 5-oxo capric acid, 5-oxo-decanoic acid, 5-oxo-1-decanoic acid, 5-oxodecanoicacid.
Can 5-Oxodecanoic acid 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
5-Oxodecanoic acid is FEMA GRAS under FEMA number 4456. It is cited in the Code of Federal Regulations at 21 CFR 172.515.
European Union and United Kingdom
No EU FL number is on file for 5-Oxodecanoic acid. That is not a finding either way. The Union List covers defined flavouring substances, so natural complex materials are handled as flavouring preparations under Parts B to F and never receive a number, and substances used as additives sit under Regulation 1333/2008 instead. Confirm the position before EU or UK use.
JECFA (WHO / FAO)
JECFA number 1960, evaluated at the 73rd meeting in 2010. 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: Fruity, fatty, waxy, green.
Where it is used
5-Oxodecanoic acid is used in beverage, confection, savory dishes and snacks, typically as a fruity note.
Structurally similar flavor ingredients
Flavor ingredients with a GRAS determination closest to 5-Oxodecanoic acid by structure. Whether one can replace it is a sensory and regulatory call; the reformulation tool works that through.
| Material | FEMA | Similarity | Occurrence |
|---|---|---|---|
| 5-Oxododecanoic acid | 4458 | 95% | Not determined |
| 5-Oxooctanoic acid | 4455 | 93% | In nature |
| Decanoic acid | 2364 | 70% | In nature |
| 5&6-Decenoic acid | 3742 | 68% | In nature |
| 4-Decenoic Acid | 3914 | 67% | In nature |
More acids in this index
4-Methyl-2-oxopentanoic acid · trans-4-Octenoic acid · 4-Amino-5-(3-(isopropylamino)-2,2-dimethyl-3-oxopropoxy)-2-methylquinoline-3-carboxylic acid · 2-Methyl-4-pentenoic acid · 5-Oxooctanoic acid · 4-Methoxybenzoic acid
5-Oxodecanoic acid FAQ
Does 5-Oxodecanoic acid have FEMA GRAS status?
5-Oxodecanoic acid holds FEMA GRAS status under FEMA number 4456. It is also codified at 21 CFR 172.515.
How do I cite 5-Oxodecanoic acid by FEMA or CAS number?
Cite 5-Oxodecanoic acid as FEMA 4456 or CAS 624-01-1; both point to the same entry. FEMA files it in the fruity flavor category.
Is 5-Oxodecanoic acid approved in the EU?
No EU FL number is on file for 5-Oxodecanoic acid. It has a JECFA evaluation (JECFA 1960), which the EU list draws on, but the Union List entry itself should be confirmed before EU use.
Has JECFA evaluated 5-Oxodecanoic acid?
Yes. JECFA number 1960, evaluated at the 73rd meeting in 2010. Conclusion: No safety concern at current levels of intake when used as a flavouring agent.
What does 5-Oxodecanoic acid smell and taste like, and where is it used?
The odor of 5-Oxodecanoic acid is fruity, fatty, waxy, green. Typical uses are beverage, confection, savory dishes and snacks.
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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 5-OXODECANOIC ACID under CAS 624-01-1 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.