Gamma-Undecalactone

Description

Peach aldehyde (γ-Undecalactone) is identified by CAS 104-67-6, molecular formula C11H20O2 and molecular weight 184.15 g/mol. UNII QB1T0AG2YL; ChEBI 89362; InChIKey PHXATPHONSXBIL-UHFFFAOYSA-N. Boiling Point: 297 °C; Density: 0.942-0.945; Refractive Index: 1.448-1.453.

Identification

CAS Registry Number	104-67-6
PubChem CID	7714
Molecular formula	C11H20O2
Molecular weight	184.15 g/mol
IUPAC name	5-heptyloxolan-2-one
InChIKey	PHXATPHONSXBIL-UHFFFAOYSA-N
UNII (FDA)	QB1T0AG2YL
ChEBI ID	CHEBI:89362
FEMA number	3091
JECFA number	233

Computed Descriptors

Molecular Weight	184.27
XLogP3	3.3
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	6
Exact Mass	184.146329876
Monoisotopic Mass	184.146329876
Topological Polar Surface Area	26.3
Heavy Atom Count	13
Formal Charge	0

Physical & Chemical Properties

Boiling Point	297 °C
Density	0.942-0.945
Refractive Index	1.448-1.453

Physical description & handling notes

• Dry Powder; Liquid; Liquid; CBI; Other Solid
• Colorless to yellow liquid with a strong fruity odor like peaches; [Reference #1]
• colourless to slightly yellow liquid with a fruity, peach-like odour
• soluble in alcohol, most fixed oils and propylene glycol; insoluble in glycerol and in water
• 1 ml in 5 ml 60% alcohol (in ethanol)

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Apricot, Fruit JECFA ADI: 0-1.25 mg/kg bw (1967)
GHS notification summary	69.7% (1536 / 2205)

GHS Hazard Classification

GHS notification summary	69.7% (1536 / 2205)
Reported hazard statements	H411 (10.3%), H412 (19.3%), H401

Documented 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]
• Flavoring Agents -> JECFA Flavorings Index
• Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
• Not Known or Reasonably Ascertainable
• Information on 295 consumer products that contain 2(3H)-Furanone, 5-heptyldihydro- in the following categories is provided:
• 2023: 10,000,000 - <25,000,000 lb

Synonyms

Gamma-undecalactone; 104-67-6; Undecan-4-olide; 5-heptyloxolan-2-one; 2(3H)-Furanone, 5-heptyldihydro-; Persicol; Peach aldehyde; Peach lactone; 5-Heptyldihydro-2(3H)-furanone; 1,4-Undecanolide; gamma-Undecanolactone; Aldehyde C-14 peach; 1,4-Hendecanolide; 4-Hydroxyundecanoic acid lactone; gamma-Undecanolide; .gamma.-Undecalactone

Frequently Asked Questions

What are the CAS number and molecular formula of Peach aldehyde (γ-Undecalactone)?

CAS 104-67-6; molecular formula C11H20O2; molecular weight 184.15 g/mol.

What other names is Peach aldehyde (γ-Undecalactone) known by?

Gamma-undecalactone, 104-67-6, Undecan-4-olide, 5-heptyloxolan-2-one, 2(3H)-Furanone, 5-heptyldihydro-, Persicol.

What is the regulatory status of Peach aldehyde (γ-Undecalactone)?

Documented regulatory listings: EU Flavoring substances; FDA Substance added to food: FLAVORING AGENT OR ADJUVANT; Flavoring Agents.

Is Peach aldehyde (γ-Undecalactone) classified as hazardous?

69.7% of GHS notifications report no hazard classification (1536 of 2205).

What are the key physical properties of Peach aldehyde (γ-Undecalactone)?

Boiling Point: 297 °C; Density: 0.942-0.945; Refractive Index: 1.448-1.453.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.