3-ETHYL-2-PENTENE Property

Melting point:

-124.4°C (estimate)

Boiling point:

94 °C(lit.)

Density 

0.717 g/mL at 25 °C(lit.)

refractive index 

n20/D 1.414(lit.)

Flash point:

36 °F

form 

clear liquid

color 

Colorless to Almost colorless

LogP

3.980 (est)

CAS DataBase Reference

816-79-5

EPA Substance Registry System

2-Pentene, 3-ethyl- (816-79-5)

Safety

Hazard Codes 

F,Xi

Risk Statements 

11-36/37/38

Safety Statements 

16-26-36

RIDADR 

UN 3295 3/PG 2

WGK Germany 

3

HS Code 

2901.29.1050

HazardClass 

3

PackingGroup 

II

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H225Highly Flammable liquid and vapour

H304May be fatal if swallowed and enters airways

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

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

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

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

P370+P378In case of fire: Use … for extinction.

P403+P235Store in a well-ventilated place. Keep cool.

P405Store locked up.

P501Dispose of contents/container to..…

3-ETHYL-2-PENTENE Chemical Properties,Usage,Production

Uses

3-Ethyl-2-pentene may be used in the preparation of:

• (2E,3R)-2-hydroxy-3,4-dimethyl-N-phenylpent-4-enamide
• 3-ethyl-1-pentene
• 5-ethyl-2,4-dimethyl-4-hepten-3-one

Synthesis Reference(s)

The Journal of Organic Chemistry, 35, p. 347, 1970 DOI: 10.1021/jo00827a012

General Description

3-Ethyl-2-pentene is a trisubstituted olefin.