Undecanolactone

Synonym(s):Undecanoic δ-lactone

CAS NO.：710-04-3
Empirical Formula: C11H20O2
Molecular Weight: 184.28
MDL number: MFCD00006650
EINECS: 211-915-1
SAFETY DATA SHEET (SDS)
Update Date: 2026-01-13 11:27:11

What is Undecanolactone?

Description

Undecanolactone has a sweet, fruity, milky, creamy, buttery, estery, waxy, coconut aroma and taste. It is the key ingredient for the special flavor of natural cream and can be used for flavoring soft drinks, candy, margarine, ice cream, cold and baked goods, etc.

Chemical properties

Colorless to light-yellow liquid; peachlike odor. Soluble in 4–5 volumes of 60% alcohol; soluble in benzyl alcohol, benzyl benzoate, and most fixed oils. Combustible.

Chemical properties

Δ-Undecalactone has a creamy, peach-like aroma.

Occurrence

Reported found in coconut flavor, melon, blackberry, blueberry, heated butter, milk, milk powder, cream, coconut meat and starfruit.

The Uses of Undecanolactone

Perfumery, flavoring agent.

The Uses of Undecanolactone

Undecanoic δ-lactone has been used as substrate to investigate the activities of stimulated and nonstimulated human serum paraoxonase (PON1) samples.

What are the applications of Application

Undecanoic δ-lactone is a lactone derivative

Preparation

By intramolecular Cannizzaro-type rearrangement of 2-hexylglutaraldehyde.

Definition

ChEBI: 6-Hexyltetrahydro-2H-pyran-2-one is a delta-lactone.

Aroma threshold values

Detection: 150 ppb

Taste threshold values

Taste characteristics at 10 ppm: creamy, coconut, milky, creamy, lactonic and butter fat with a waxy, fruity nuance.

General Description

Undecanoic δ-lactone has been found to be best substarte for good substrates for lactonase from Sulfolobus islandicus (SisLac).

Biochem/physiol Actions

Taste at 10 ppm

Properties of Undecanolactone

Boiling point:	152-155 °C10.5 mm Hg(lit.)
alpha	0°(25℃, neat)
Density	0.969 g/mL at 25 °C(lit.)
vapor pressure	0.059-0.11Pa at 20-25℃
FEMA	3294 \| 5-HYDROXYUNDECANOIC ACID LACTONE
refractive index	n20/D 1.459(lit.)
Flash point:	>230 °F
storage temp.	Sealed in dry,Room Temperature
Water Solubility	Insoluble in water
form	Liquid
color	Colorless to Almost colorless
Specific Gravity	0.9620.969
Odor	at 100.00 %. creamy fatty coconut fruity peach waxy
JECFA Number	234
CAS DataBase Reference	710-04-3(CAS DataBase Reference)
NIST Chemistry Reference	Undecanolactone(710-04-3)
EPA Substance Registry System	2H-Pyran-2-one, 6-hexyltetrahydro- (710-04-3)

Safety information for Undecanolactone

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H319:Serious eye damage/eye irritation
Precautionary Statement Codes	P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313:IF eye irritation persists: Get medical advice/attention.