4-Heptanolide Chemical Properties

Boiling point:

61-62 °C2 mm Hg(lit.)

Density 

0.999 g/mL at 25 °C(lit.)

vapor pressure 

2.8hPa at 20℃

refractive index 

n20/D 1.442(lit.)

FEMA 

2539 | GAMMA-HEPTALACTONE

Flash point:

>230 °F

storage temp. 

Sealed in dry,Room Temperature

solubility 

Chloroform (Soluble), Methanol (Slightly)

form 

Oil

color 

Colourless

Odor

at 10.00 % in dipropylene glycol. sweet coconut nutty caramel tonka hay

Odor Type

coconut

Water Solubility 

23g/L at 20℃

JECFA Number

225

BRN 

109569

LogP

1 at 20℃

CAS DataBase Reference

105-21-5(CAS DataBase Reference)

NIST Chemistry Reference

2(3H)-furanone, dihydro-5-propyl-(105-21-5)

EPA Substance Registry System

2(3H)-Furanone, dihydro-5-propyl- (105-21-5)

Safety Information

Hazard Codes 

Xi

Risk Statements 

38-36/38

Safety Statements 

36-37/39-26

WGK Germany 

2

RTECS 

LU3697000

HS Code 

29322090

Toxicity

rabbit,LD50,skin,> 5gm/kg (5000mg/kg),Food and Chemical Toxicology. Vol. 20, Pg. 703, 1982.

MSDS

• Language:English Provider:SigmaAldrich

4-Heptanolide Usage And Synthesis

Description

y-Heptalactone has a sweet, nut-like, caramel odor and a malty, caramel, sweet, herbaceous taste. This substance may be obtained in low yields by hydrogenation of ethyl P-furylacrylate;1 by lactoniation of heptenoic acid; also by condensation of methylacrylate butyl alcohol using a catalyst.

Chemical Properties

γ-Heptalactone has a sweet, coconut-like, caramel and a malty, caramel, sweet odor, and herbaceous taste.

Chemical Properties

Clear colorless to pale yellow liquid

Occurrence

Reported found in green tea, asparagus, beer, strawberry, peach and beef

Uses

Food additive.

Preparation

Obtained in low yields by hydrogenation of ethyl β-furylacrylate; by lactoniation of heptonic acid; also by condensation of methylacrylate butyl alcohol using a catalyst.

Definition

ChEBI: Dihydro-5-propyl-2(3H)-furanone is a lactone.

Aroma threshold values

Detection: 400 ppb.

Taste threshold values

Taste characteristics at 15 ppm: sweet, lactonic, creamy, coconut and coumarin, with milky and tobacco Nuances.

Synthesis Reference(s)

Journal of the American Chemical Society, 99, p. 7360, 1977 DOI: 10.1021/ja00464a048

General Description

γ-Heptalactone is a volatile flavor compound found in mangoes, strawberries, pineapples as well as in some dairy products. It is used as a flavoring agent in the food and cosmetic industry.

Hazard

A skin irritant.

4-Heptanolide (105-21-5)Related Product Information

• BETA-BUTYROLACTONE
• gamma-Decalactone
• Propyl gallate
• 2-Oxetanone
• 4-Aminobutyric acid
• Allyl chloride
• Propyl butyrate
• 4-Hexanolide
• gamma-Octanoic lactone
• TRIOXSALEN
• Isopropyl alcohol
• Undecanolactone
• Cocamidopropyl betaine
• N,N-Diisopropylethylamine
• delta-Dodecalactone
• (+/-)-3-HYDROXY-GAMMA-BUTYROLACTONE
• Spironolactone
• D-(+)-Glucono-1,5-lactone