δ-八内酯

Description

Octanolactone · CAS 698-76-0 · C8H14O2. UNII 8AA944C37V. Boiling Point: 115-117 °C (12 mmHg); Density: 0.994-0.999; Refractive Index: 1.452-1.458.

Identification

CAS Registry Number	698-76-0
PubChem CID	12777
Molecular formula	C8H14O2
IUPAC name	6-propyloxan-2-one
UNII (FDA)	8AA944C37V
FEMA number	3214
JECFA number	228

Computed Descriptors

Molecular Weight	142.20
XLogP3	1.9
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	2
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	115-117 °C (12 mmHg)
Density	0.994-0.999
Refractive Index	1.452-1.458

Physical description & handling notes

• colourless to pale yellow liquid with a coconut-like odour
• (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, Peach No safety concern at current levels of intake when used as a flavouring agent
GHS notification summary	94.7% (249 / 263)

GHS Hazard Classification

GHS notification summary	94.7% (249 / 263)

Documented Uses

• Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
• Flavoring Agents -> JECFA Flavorings Index
• Information on 1 consumer products that contain Delta-Octalactone in the following categories is provided:
• 2H-Pyran-2-one, tetrahydro-6-propyl-: ACTIVE

Synonyms

698-76-0; delta-Octanolactone; DELTA-OCTALACTONE; 6-propyloxan-2-one; 2H-Pyran-2-one, tetrahydro-6-propyl-; Tetrahydro-6-propyl-2H-pyran-2-one; FEMA No. 3214; DTXSID5047164; DTXCID3027164; 8AA944C37V; RefChem:585688; 211-820-5; 5-Hydroxyoctanoic acid lactone; 5-Octanolide; delta-octanolide; .delta.-Octalactone

Frequently Asked Questions

What are the CAS number and molecular formula of Octanolactone?

CAS 698-76-0; molecular formula C8H14O2; molecular weight — g/mol.

What other names is Octanolactone known by?

698-76-0, delta-Octanolactone, DELTA-OCTALACTONE, 6-propyloxan-2-one, 2H-Pyran-2-one, tetrahydro-6-propyl-, Tetrahydro-6-propyl-2H-pyran-2-one.

What is the regulatory status of Octanolactone?

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

Is Octanolactone classified as hazardous?

94.7% of GHS notifications report no hazard classification (249 of 263).

What are the key physical properties of Octanolactone?

Boiling Point: 115-117 °C (12 mmHg); Density: 0.994-0.999; Refractive Index: 1.452-1.458.

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.