Gamma Heptalactone
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Gamma Heptalactone

Gamma Heptalactone has a sweet, nut-like, caramel odor and a malty, caramel, sweet, herbaceous taste.

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Product Description

Gamma Heptalactone Basic information


Product Name:

4-Heptanolide

Synonyms:

4-hydroxyheptanoic;4-Hydroxyheptanoic acid lactone;dihydro-5-propyl-2(3h)-furanon;gamma heptalatone;4-hydroxyheptanoicacidlactone;5-Propyldihydro-2(3H)-furanone;gamma-Propiobutyrolactone;heptan-4-

CAS:

105-21-5

MF:

C7H12O2

MW:

128.17

EINECS:

203-279-9

Product Categories:

Cosmetics;-;lactone flavors

Mol File:

105-21-5.mol

Gamma Heptalactone Chemical Properties


Boiling point 

61-62 °C2 mm Hg(lit.)

density 

0.999 g/mL at 25 °C(lit.)

FEMA 

2539 | GAMMA-HEPTALACTONE

refractive index 

n20/D 1.442(lit.)

Fp 

>230 °F

JECFA Number

225

BRN 

109569

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)

Gamma Heptalactone Safety Information


Hazard Codes 

Xi

Risk Statements 

38-36/38

Safety Statements 

36-37/39-26

WGK Germany 

2

RTECS 

LU3697000

HS Code 

29322090

Gamma Heptalactone MSDS Information


Provider

Language

SigmaAldrich

English

Gamma Heptalactone 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.

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.

Hazard

A skin irritant.

Gamma Heptalactone Preparation Products And Raw materials


Raw materials

3-HEPTENOIC ACID

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