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.

Thermal Conductivity

0.125 W/(m·K) at 25 ℃

BRN 

1740044

Henry's Law Constant

4.5×10^-6 mol/(m³Pa) at 25℃, Yaws (2003)

Dielectric constant

2.1699999999999999

InChI

1S/C11H22/c1-3-5-7-9-11-10-8-6-4-2/h3H,1,4-11H2,2H3

InChIKey

DCTOHCCUXLBQMS-UHFFFAOYSA-N

SMILES

CCCCCCCCCC=C

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 

TSCA listed

HS Code 

29012990

Storage Class

10 - Combustible liquids

Hazard Classifications

Acute Tox. 4 Inhalation
Acute Tox. 4 Oral
Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

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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