γ-八内酯

Description

Gamma-Octanoic lactone · CAS 104-50-7 · C8H14O2. UNII UHD6M52X0K. Boiling Point: 234.00 °C. @ 760.00 mm Hg; Boiling Point: 234 °C; Density: 0.970-0.980.

Identification

CAS Registry Number	104-50-7
PubChem CID	7704
Molecular formula	C8H14O2
IUPAC name	5-butyloxolan-2-one
UNII (FDA)	UHD6M52X0K
FEMA number	2796
JECFA number	226

Computed Descriptors

Molecular Weight	142.20
XLogP3	1.6
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	3
Exact Mass	142.099379685
Monoisotopic Mass	142.099379685
Topological Polar Surface Area	26.3
Heavy Atom Count	10
Formal Charge	0

Physical & Chemical Properties

Boiling Point	234.00 °C. @ 760.00 mm Hg
Boiling Point	234 °C
Density	0.970-0.980
Refractive Index	1.443-1.447

Physical description & handling notes

• CBI; Liquid
• Colorless liquid; [Alfa Aesar MSDS]
• colourless to slightly yellow liquid with a sweet, coconut, fruity odour
• slightly
• soluble in alcohol and slightly soluble in water
• (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 Coconut, Fruit No safety concern at current levels of intake when used as a flavouring agent
GHS notification summary	92.8% (1616 / 1742)

GHS Hazard Classification

GHS notification summary	92.8% (1616 / 1742)

Documented Uses

• Used as flavoring agent or adjuvant; [FDA]
• Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
• Flavoring Agents -> JECFA Flavorings Index
• Information on 20 consumer products that contain Gamma-Octalactone in the following categories is provided:
• 2023: 7,000,000 - <8,500,000 lb
• 2022: 8,500,000 - <10,000,000 lb

Synonyms

GAMMA-OCTALACTONE; 104-50-7; 4-Octanolide; 5-butyloxolan-2-one; 4-Hydroxyoctanoic acid lactone; 2(3H)-Furanone, 5-butyldihydro-; 5-Butyldihydro-2(3H)-furanone; 8-Oxo-5-octanolide; Octanoic acid, gamma lactone; gamma-Butyl-gamma-butyrolactone; gamma-N-Butyl-gamma-butyrolactone; FEMA No. 2796; DTXSID1047609; UHD6M52X0K; NSC-24270; NSC-26509

Frequently Asked Questions

What are the CAS number and molecular formula of Gamma-Octanoic lactone?

CAS 104-50-7; molecular formula C8H14O2; molecular weight — g/mol.

What other names is Gamma-Octanoic lactone known by?

GAMMA-OCTALACTONE, 104-50-7, 4-Octanolide, 5-butyloxolan-2-one, 4-Hydroxyoctanoic acid lactone, 2(3H)-Furanone, 5-butyldihydro-.

What is the regulatory status of Gamma-Octanoic lactone?

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

Is Gamma-Octanoic lactone classified as hazardous?

92.8% of GHS notifications report no hazard classification (1616 of 1742).

What are the key physical properties of Gamma-Octanoic lactone?

Boiling Point: 234.00 °C. @ 760.00 mm Hg; Boiling Point: 234 °C; Density: 0.970-0.980; Refractive Index: 1.443-1.447.

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.