Flavor ingredient regulatory record

4,7-Decadienal

4,7-Decadienal is an aldehyde in the fruity family, FEMA GRAS under FEMA number 4927 (CAS 934534-30-2). Its odor is green, fresh, fruity, citrus, herbaceous.

FEMA
4927
CAS
934534-30-2
Formula
C10H16O

GRAS status: FEMA GRAS. Source: FEMA Flavor Ingredient Library.

Structure

2D structure of 4,7-Decadienal
Structure of 4,7-Decadienal, C10H16O. Drawn from the canonical SMILES.

Identity

IUPAC name deca-4,7-dienal
CAS number 934534-30-2
FEMA number 4927
Molecular formula C10H16O
Molecular weight 152.24 g/mol
SMILES CCC=CCC=CCCC=O
InChIKey MZLGFRRNMCCNBB-UHFFFAOYSA-N
PubChem CID 54099340
Chemical class Aldehyde
Flash point 86 °C

Also known as: deca-4,7-dienal.

Can 4,7-Decadienal 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

4,7-Decadienal is FEMA GRAS under FEMA number 4927. It is cited in the Code of Federal Regulations at 21 CFR 172.515.

21 CFR 172.515

European Union and United Kingdom

No EU FL number is on file for 4,7-Decadienal. 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)

4,7-Decadienal has not been evaluated by JECFA as a flavouring agent, or no evaluation is on file.

Other US flags

Not on the California Proposition 65 list.

TSCA Inventory status

A flavor ingredient is also an industrial chemical. 4,7-Decadienal appears on the EPA Toxic Substances Control Act Chemical Substance Inventory under CAS 934534-30-2, where EPA names it 4,7-Decadienal.

Active in US commerce

EPA designates this substance active, so no Notice of Activity Form B is required before manufacturing. What active and inactive mean.

EPA regulatory flags

Flag EPA definition What it obliges
PMN Indicates a commenced PMN substance. Nothing new. The substance already went through premanufacture review and someone filed a notice of commencement, which is why it is on the Inventory. It is an existing chemical and needs no new premanufacture notice. Read more

PMN does not establish: The flag records how the substance arrived, not what may be done with it. Check the flags beside it.

From the EPA non-confidential TSCA Inventory, July 2026 release. EPA also maintains a confidential portion it does not publish. Search the Inventory by CAS number.

Odor and taste

Odor: Green, fresh, fruity, citrus, herbaceous.

Taste: Fresh, fruity, slightly bitter.

Where it is used

4,7-Decadienal 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 4,7-Decadienal by structure. Whether one can replace it is a sensory and regulatory call; the reformulation tool works that through.

MaterialFEMASimilarityOccurrence
4-Decenal326497%In nature
cis-8-Decenal494597%Not determined
(E)-4-Nonenal430296%In nature
cis-6-Nonenal358096%In nature

More aldehydes in this index

trans-4-Hexenal · trans-2-Hexenal propylene glycol acetal · Decanal dimethyl acetal · 3-(Methylthio)-decanal · 2-Methyl-3-(p-tolyl)propionaldehyde · Phenylacetaldehyde dimethyl acetal

4,7-Decadienal FAQ

Does 4,7-Decadienal have FEMA GRAS status?

4,7-Decadienal holds FEMA GRAS status under FEMA number 4927. The Code of Federal Regulations lists it at 21 CFR 172.515.

How do I cite 4,7-Decadienal by FEMA or CAS number?

Cite 4,7-Decadienal as FEMA 4927 or CAS 934534-30-2; both point to the same entry. Its flavor category is fruity.

What does 4,7-Decadienal smell and taste like, and where is it used?

The odor of 4,7-Decadienal is green, fresh, fruity, citrus, herbaceous. On the palate it is fresh, fruity, slightly bitter. Typical uses are beverage, confection, fruit flavors and savory dishes.

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Guides: What Is FEMA GRAS? · Natural vs artificial · Filing a GRAS notification

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Sources and attribution. The FEMA number and GRAS status on this page name a conclusion reached by the Expert Panel of the Flavor and Extract Manufacturers Association of the United States. FDA does not list this substance by FEMA number in its Substances Added to Food inventory. Its identity is attested by EPA TSCA Chemical Substance Inventory, matched on CAS 934534-30-2.

FEMA publishes its own entry for this substance in the FEMA Flavor Library, which is the authoritative record 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.