5-METHYL-3-HEXEN-2-ONE Chemical Properties

Boiling point:

157°C

Density 

0.85 g/mL at 25 °C (lit.)

refractive index 

n20/D 1.44(lit.)

FEMA 

3409 | 5-METHYL-3-HEXEN-2-ONE

Flash point:

118 °F

form 

clear liquid

color 

Colorless to Light yellow to Light orange

Odor

at 100.00 %. sweet berry cheese

Odor Type

fruity

JECFA Number

1132

LogP

1.44

CAS DataBase Reference

5166-53-0(CAS DataBase Reference)

EPA Substance Registry System

3-Hexen-2-one, 5-methyl- (5166-53-0)

Safety Information

Hazard Codes 

Xn,T

Risk Statements 

10-20/21/22-24-20/22

Safety Statements 

16-27-36/37/39-45-36/37

RIDADR 

UN 1992 3/PG 3

WGK Germany 

3

RTECS 

MP8750000

HazardClass 

3

PackingGroup 

III

HS Code 

2914199090

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

5-METHYL-3-HEXEN-2-ONE Usage And Synthesis

Occurrence

Reported found in roasted filberts, green tea, cooked and roasted shrimp.

Uses

5-Methyl-3-hexen-2-one was used in combinatorial synthesis of mercaptoketones and mercaptoalcohols.

General Description

5-methyl-3-hexen-2-one reacts with indole in the presence of pyrrolidine and p-TsOH in CH₂Cl₂ to yield the 3-substituted indole adduct.

5-METHYL-3-HEXEN-2-ONE(5166-53-0)Related Product Information

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