3-OCTEN-2-ONE Chemical Properties

Melting point:

-66.9°C (estimate)

Boiling point:

100 °C18 mm Hg(lit.)

Density 

0.857 g/mL at 25 °C(lit.)

refractive index 

n20/D 1.448(lit.)

FEMA 

3416 | 3-OCTEN-2-ONE

Flash point:

130 °F

form 

clear liquid

color 

Colorless to Yellow to Green

Odor

at 1.00 % in dipropylene glycol. earthy spicy herbal sweet mushroom hay blueberry

Odor Type

earthy

JECFA Number

1128

BRN 

1742230

LogP

2.16

CAS DataBase Reference

1669-44-9(CAS DataBase Reference)

EPA Substance Registry System

3-Octen-2-one (1669-44-9)

Safety Information

Hazard Codes 

Xi

Risk Statements 

10-36/37/38

Safety Statements 

16-37-26

RIDADR 

UN 1224 3/PG 3

WGK Germany 

3

TSCA 

Yes

HazardClass 

3

PackingGroup 

III

HS Code 

29337900

MSDS

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

3-OCTEN-2-ONE Usage And Synthesis

Description

May be synthesized by bubbling air in a solution of an organoborane derivative of 1-butene and l-butyn-2-one in tetrahydrofuran.

Chemical Properties

3-Octen-2-one has a fruity, lemon odor.

Chemical Properties

clear colorless to light yellow liquid

Occurrence

Reported found in roasted filberts, asparagus, baked potato, fish, cooked chicken and beef, white wine, peanuts, pecan, oats, soybean, mushroom, trassi, fenugreek, coriander seed, rice bran, cooked scented rice and corn tortillas.

Definition

ChEBI: 3-Octen-2-one is an olefinic compound. It is functionally related to an acrylic acid.

Preparation

By bubbling air in a solution of an organoborane derivative of 1-butene and 1-butyn-2-one in tetrahydrofuran.

Taste threshold values

Taste characteristics at 5 ppm: creamy, earthy, oily, with mushroom nuances.

Synthesis Reference(s)

The Journal of Organic Chemistry, 43, p. 710, 1978 DOI: 10.1021/jo00398a042
Synthetic Communications, 19, p. 501, 1989 DOI: 10.1080/00397918908050692

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