Product Name: Undecanolactone
Synonyms: 2H-Pyran-2-one, 6-hexyltetrahydro-;2H-Pyran-2-one, tetrahydro-3-hexyl-;5-Hydroxyundecanoic acid lactone;5-hydroxy-undecanoicacidelta-lactone;5-hydroxyundecanoicacidlactone;6-hexyltetrahydro-2h-pyran-2-on;beta-Undecalactone;delta-Hexyl-delta-valerolactone
CAS: 710-04-3
MF: C11H20O2
MW: 184.28
EINECS: 211-915-1
Product Categories: Carbonyl Compounds;Lactones;Organic Building Blocks
Mol File: 710-04-3.mol
Undecanolactone Structure
Undecanolactone Chemical Properties
alpha 0°(25℃, neat)
Boiling point 152-155 °C10.5 mm Hg(lit.)
density 0.969 g/mL at 25 °C(lit.)
FEMA 3294 | 5-HYDROXYUNDECANOIC ACID LACTONE
refractive index n20/D 1.459(lit.)
Fp >230 °F
Specific Gravity 0.9620.969
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
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-37/39
WGK Germany 2
RTECS UQ1320000
MSDS Information
Provider Language
SigmaAldrich English
Undecanolactone Usage And Synthesis
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.
Uses Perfumery, flavoring agent.
Preparation By intramolecular Cannizzaro-type rearrangement of 2-hexylglutaraldehyde.
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.
China
