METHYL UNDECYLENATE Property

Boiling point:

275.63°C (rough estimate)

Density 

0.9694 (rough estimate)

refractive index 

1.4460 (estimate)

FEMA 

2750 | METHYL 9-UNDECENOATE

Odor

at 100.00 %. earthy fungal rose fatty floral

Odor Type

earthy

JECFA Number

342

LogP

4.44

EPA Substance Registry System

9-Undecenoic acid, methyl ester (5760-50-9)

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P321Specific treatment (see … on this label).

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

METHYL UNDECYLENATE Chemical Properties,Usage,Production

Description

Methyl 9-undecenoate has a sweet, persistent, light, fatty, green odor reminiscent of wine and iron. It has a brandy-like flavor at low concentrations. It is unpleasant at high levels. May be prepared by direct esterification of the acid with methanol and concentrated H2S04 or HCl; by thermal decomposition of methyl ricinoleate.

Chemical Properties

Methyl 9-undecenoate has a sweet, persistent, light, fatty, green odor reminiscent of wine and iron. It has an oily, brandy-like flavor at low concentrations and unpleasant at high levels.

Definition

ChEBI: Methyl 9-undecenoate is a fatty acid methyl ester.

Preparation

By direct esterification of the acid with methanol and concentrated H2SO4 or HCl; by thermal decomposition of methyl ricinoleate.

Safety Profile

A skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes.