GAMMA-UNDECALACTONE
Undecan-4-olide; peach aldehyde
GAMMA-UNDECALACTONE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.
Regulatory evidence by market
No rule for this ingredient has been imported for any of the 13 markets tracked here.
That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.
Chemical identity and properties
- IUPAC name
- 5-heptyloxolan-2-one
- Molecular formula
- C11H20O2
- Molecular weight
- 184.27 g/mol
- Exact mass
- 184.146329876 Da
- XLogP3
- 3.3
- Topological polar surface area
- 26.3 Ų
- Hydrogen-bond donors
- 0
- Hydrogen-bond acceptors
- 2
- Covalent units
- 1
- Defined stereocentres
- 0
Also known as
16 more reported names
External database identifiers
- ChEBI:CHEBI:89362
- ChEMBL:CHEMBL195827
- EPA DTXSID:DTXSID4034287
- PubMed:21823126
- PubMed:19848247
- PubMed:17995626
- PubMed:17530862
- PubMed:16946554
- PubMed:16525876
- PubMed:15277045
- PubMed:12174611
Evidence from additional scientific databases
EMBL-EBI ChEBI
γ-undecanolactone
- Formula
- C11H20O2
- Average mass
- 184.279 g/mol
- Monoisotopic mass
- 184.14633 Da
- Formal charge
- 0
- butan-4-olide — is a (CHEBI:22950)
- undecanoic acid — has functional parent (CHEBI:32368)
- undecane — has parent hydride (CHEBI:46342)
- butan-4-olide — is a (CHEBI:22950)
Additional curated names
Cross-references from this source
Mapped by: Exact CAS cross-reference in the ChEBI compound record. Source updated: 2014-07-28. Retrieved: 2026-08-31. Open source record
NIH PubChem PUG-View
Attributed physical-property, hazard, environmental and use annotations.
- Boiling Point: 297 °C Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
- Density: 0.942-0.945 Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
- Physical Description: Dry Powder; Liquid; Liquid; CBI; Other Solid Source: EPA Chemical Data Reporting (CDR)
- Physical Description: Colorless to yellow liquid with a strong fruity odor like peaches; [Reference #1] Source: Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
- Physical Description: colourless to slightly yellow liquid with a fruity, peach-like odour Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
- Refractive Index: 1.448-1.453 Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
- Solubility: soluble in alcohol, most fixed oils and propylene glycol; insoluble in glycerol and in water Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
- Solubility: 1 ml in 5 ml 60% alcohol (in ethanol) Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
- Note: This chemical does not meet GHS hazard criteria for 69.7% (1536 of 2205) of all reports. Source: European Chemicals Agency (ECHA)
- GHS Hazard Statements: H411 (10.3%): Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]; H412 (19.3%): Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard] Source: European Chemicals Agency (ECHA)
- Precautionary Statement Codes: P273, P391, and P501 (click each P-code to see the statement) Source: European Chemicals Agency (ECHA)
- ECHA C&L Notifications Summary: Aggregated GHS information provided per 2205 reports by companies from 19 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.; Reported as not meeting GHS hazard criteria per 1536 of 2205 reports by companies.; There are 18 notifications provided by 669 of 2205 reports by companies with hazard statement code(s).; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
- GHS Hazard Statements: H401: Toxic to aquatic life [Hazardous to the aquatic environment, acute hazard]; H411: Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard] Source: NITE-CMC
- Precautionary Statement Codes: P273, P391, and P501 (click each P-code to see the statement) Source: NITE-CMC
- GHS Hazard Statements: Not Classified Source: NITE-CMC
- Consumer Uses: Not Known or Reasonably Ascertainable; Fragrance; Other Source: EPA Chemical Data Reporting (CDR)
- Industry Uses: Fragrance; Other; Flavoring and nutrient Source: EPA Chemical Data Reporting (CDR)
- Sources/Uses: Used as repellent for cats and dogs, as insecticide/repellant for house flies, cockroaches, ants, biting flies, and mosquitoes, and as a mosquito larvicide for residential and large scale public health applications; [Reference #1] Used as flavoring agent or adjuvant; [FDA] Source: Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record
Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.
Additional source coverage and match status
| Source | Result | Checked |
|---|---|---|
| EMBL-EBI ChEBI | Exact match | 2026-08-31 |
| NIH PubChem PUG-View | Exact match | 2026-08-31 |
A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.
Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.
Inventory details for GAMMA-UNDECALACTONE
INCI name
GAMMA-UNDECALACTONE
Description
Undecan-4-olide; peach aldehyde
Record provenance
- Inventory reference
- 41260
- Imported identity
- GAMMA-UNDECALACTONE
- Source update
- 21/11/2016
Annex records for GAMMA-UNDECALACTONE
Key data
- PERFUMING
- Used for perfume and aromatic raw materials.
- SKIN CONDITIONING
- Maintaining the skin in good condition.
Official EU ingredient-name evidence
The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.
Related inventory evidence
Ingredients with overlapping formulation functions
Additional official and scientific sources
11 external databases to check this identity in
Each link searches that source for this identity. What each source is, and its legal weight
How GAMMA-UNDECALACTONE appears in the CosIng inventory
The CosIng inventory lists GAMMA-UNDECALACTONE as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.
GAMMA-UNDECALACTONE is also tagged with 2 cosmetic functions in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.
Frequently asked questions
Source note for GAMMA-UNDECALACTONE
This page reproduces the CosIng inventory entry for GAMMA-UNDECALACTONE from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.
Use this inventory page to research GAMMA-UNDECALACTONE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.
Tools & next steps
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