Flavor ingredient regulatory record
3-Isopropenyl-6-oxoheptanoic acid
3-Isopropenyl-6-oxoheptanoic acid is an acid in the fruity family, FEMA GRAS under FEMA number 4461 (CAS 4436-82-2). Its odor is fruity, tangy, green, slightly floral.
- FEMA
- 4461
- CAS
- 4436-82-2
- JECFA
- 1954
- Formula
- C10H16O3
GRAS status: FEMA GRAS, publication 24. Recorded by FDA in the Substances Added to Food inventory under CAS 4436-82-2.
Structure
Identity
Also known as: Heptanoic acid, 3-(1-methylethenyl)-6-oxo-, Heptanoic acid, 3-isopropenyl-6-oxo-, 3-(1-Methylethenyl)-6-oxoheptanoic acid, Limononic acid, heptanoic acid, 3-isopropenyl-6-oxo-, limononic acid, heptanoic acid, 3-(1-methylethenyl)-6-oxo-, (+-)-3-isopropenyl-6-oxoheptanoic acid, 3-isopropenyl-6-oxoheptanoic acid, (+-)-, 6-oxo-3-(prop-1-en-2-yl)heptanoic acid, 6-oxo-3-prop-1-en-2-ylheptanoic acid, (+/-)-3-isopropenyl-6-oxoheptanoic acid.
Can 3-Isopropenyl-6-oxoheptanoic 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
3-Isopropenyl-6-oxoheptanoic acid is FEMA GRAS under FEMA number 4461. 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 3-Isopropenyl-6-oxoheptanoic 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 1954.
Other US flags
Not on the California Proposition 65 list.
Odor and taste
Odor: Fruity, tangy, green, slightly floral.
Where it is used
3-Isopropenyl-6-oxoheptanoic acid is used in beverage, sauces, dressings and confection, typically as a fruity note.
Structurally similar flavor ingredients
Flavor ingredients with a GRAS determination closest to 3-Isopropenyl-6-oxoheptanoic acid by structure. Whether one can replace it is a sensory and regulatory call; the reformulation tool works that through.
| Material | FEMA | Similarity | Occurrence |
|---|---|---|---|
| 6-Hydroxycarvone | 4523 | 69% | In nature |
| Dihydrocarvyl acetate | 2380 | 68% | In nature |
| cis and trans-p-1(7)8-Menthadien-2-yl acetate | 3848 | 67% | Not determined |
| Adipic acid | 2011 | 57% | In nature |
| Carveol | 2247 | 53% | In nature |
More acids in this index
Phenylacetic acid · 3-Methoxybenzoic acid · cis-5-Octenoic acid · 3-Isopropenylpentanedioic acid · Isovaleric acid · 5-Oxooctanoic acid
3-Isopropenyl-6-oxoheptanoic acid FAQ
Is 3-Isopropenyl-6-oxoheptanoic acid FEMA GRAS?
Yes. The FEMA Expert Panel lists 3-Isopropenyl-6-oxoheptanoic acid as GRAS under FEMA number 4461. The Code of Federal Regulations lists it at 21 CFR 172.515.
What are the FEMA and CAS numbers for 3-Isopropenyl-6-oxoheptanoic acid?
3-Isopropenyl-6-oxoheptanoic acid is FEMA 4461, CAS 4436-82-2. Its flavor category is fruity.
How is 3-Isopropenyl-6-oxoheptanoic acid described, and where does it show up?
Flavorists describe 3-Isopropenyl-6-oxoheptanoic acid as fruity, tangy, green, slightly floral. It is used in beverage, sauces, dressings and confection.
What did JECFA conclude about 3-Isopropenyl-6-oxoheptanoic acid?
JECFA evaluated 3-Isopropenyl-6-oxoheptanoic acid under JECFA number 1954.
Is 3-Isopropenyl-6-oxoheptanoic acid approved in the EU?
No EU FL number is on file for 3-Isopropenyl-6-oxoheptanoic acid. It has a JECFA evaluation (JECFA 1954), which the EU list draws on, but the Union List entry itself should be confirmed before EU use.
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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 3-ISOPROPENYL-6-OXOHEPTANOIC ACID under CAS 4436-82-2 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.