5-Hydroxy-4-octanone Chemical Properties

Melting point:

-10°C

Boiling point:

80-82 °C10 mm Hg(lit.)

Density 

0.916 g/mL at 25 °C(lit.)

refractive index 

n20/D 1.4315(lit.)

FEMA 

2587 | 5-HYDROXY-4-OCTANONE

Flash point:

175 °F

pka

13.13±0.20(Predicted)

form 

clear liquid

color 

Light yellow to Yellow to Orange

Specific Gravity

0.92

Odor

at 1.00 % in dipropylene glycol. sweet pungent buttery nut

Odor Type

buttery

Merck 

14,1595

JECFA Number

416

LogP

1.69

CAS DataBase Reference

496-77-5(CAS DataBase Reference)

NIST Chemistry Reference

5-Hydroxy-4-octanone(496-77-5)

Safety Information

WGK Germany 

3

HS Code 

2914409000

MSDS

• Language:English Provider:SigmaAldrich

5-Hydroxy-4-octanone Usage And Synthesis

Aroma

Sweet and slightly pungent-buttery-nut-like odor. Sweet buttery taste with a pleasant oily mildness at concentrations below 5 ppm. The flavor is not as sharp as that of Dibutyryl or that of Acetyl caproyl (C8H15O2).

Description

5-Hydroxy-4-octanone has a sweet, slightly pungent, buttery, nutlike odor and a sweet, buttery, oily taste. May be prepared by reacting sodium metal with ethyl butyrate in boiling ether or in the same fashion starting from methyl butyrate.

Chemical Properties

5-Hydroxy-4-octanone has a sweet, lightly pungent, butternut-like odor and a sweet, butter, oily taste

Physical properties

Almost insoluble in water, soluble in alcohol and oils. Sweet and slightly pungent-buttery-nut-like odor.

Occurrence

Reported found in cocoa

Definition

ChEBI: 5-Hydroxy-4-octanone is a monosaccharide.

Preparation

By reacting sodium metal with ethyl butyrate in boiling ether or in the same fashion starting from methyl butyrate.

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