1-UNDECENE Chemical Properties

Melting point:

-49 °C (lit.)

Boiling point:

192-193 °C (lit.)

Density 

0.75 g/mL at 25 °C (lit.)

refractive index 

n20/D 1.426(lit.)

Flash point:

145 °F

form 

clear liquid

Specific Gravity

0.750

color 

Colorless to Light yellow

Odor

Mild, pleasant.

Water Solubility 

Solunle in ether, chloroform and ligroin. Insoluble in water.

BRN 

1740044

Dielectric constant

2.1699999999999999

LogP

5.903 (est)

CAS DataBase Reference

821-95-4(CAS DataBase Reference)

EPA Substance Registry System

1-Undecene (821-95-4)

Safety Information

Hazard Codes 

Xn,F

Risk Statements 

20/22-36/37/38

Safety Statements 

26-36

WGK Germany 

3

TSCA 

Yes

HS Code 

29012990

Hazardous Substances Data

821-95-4(Hazardous Substances Data)

MSDS

• Language:English Provider:SigmaAldrich

1-UNDECENE Usage And Synthesis

Uses

1-Undecene is a pharmaceutical intermediate and a useful reagent for organic synthesis.

Uses

1-undecene is an alkene that can be used as a reactant:

• In the Pd-catalyzed aerobic oxidative amination reaction with nitrogen nucleophiles to produce useful amine analogs.
• To prepare a key intermediate in the total synthesis of (+)-deoxoprosopinine.

Definition

ChEBI: An alkene that is undecane containing one double bond located at position 1.

Synthesis Reference(s)

Chemistry Letters, 7, p. 1155, 1978
The Journal of Organic Chemistry, 47, p. 876, 1982 DOI: 10.1021/jo00344a024
Tetrahedron, 49, p. 7104, 1993 DOI: 10.1016/S0040-4020(01)87982-5

General Description

1-undecene (or α-undecene) is an organic compound, which belongs to the class of unsaturated aliphatic hydrocarbons. It is a hydrophobic molecule found in the essential oil of Farfugium japonicum and some mushroom species.

Health Hazard

Recommended Personal Protective Equipment: Goggles or face shield; rubber gloves; Symptoms Following Exposure: Aspiration hazard if ingested. Slight skin and eye irritation. No inhalation hazard expected; General Treatment for Exposure: INHALATION: remove victim to fresh air. INGESTION: do NOT lavage or induce vomiting; give vegetable oil and demulcents; call a doctor. EYES: flush with water for 15 min. SKIN: wipe off, wash with soap and water; Toxicity by Inhalation (Threshold Limit Value): Data not available; Short-Term Exposure Limits: Data not available; Toxicity by Ingestion: Data not available; Late Toxicity: Data not available; Vapor (Gas) Irritant Characteristics: Slight smarting of eyes and respiratory system at high concentrations. The effect is temporary; Liquid or Solid Irritant Characteristics: Minimum hazard. If spilled on clothing and allowed to remain, may cause smarting and reddening of the skin; Odor Threshold: Data not available.

Chemical Reactivity

Reactivity with Water No reaction; Reactivity with Common Materials: No reactions; Stability During Transport: Stable; Neutralizing Agents for Acids and Caustics: Not pertinent; Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.

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