Gamma Hexalactone
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Gamma Hexalactone

Gamma Hexalactone has a warm, powerful, herbaceous, sweet odor and a sweet, coumarin-caramel taste.

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Product Description

Gamma hexalactone Basic information


Product Name:

4-Hexanolide

Synonyms:

4-HYDROXYHEXANOIC ACID G-LACTONE;4-hexanolide;4-Ethyl-4-hydroxybutanoic acid lactone;GAMMA-HEXALACTONE;GAMMA-HEXANOLACTONE;Dihydro-5-ethyl-2(3H)-furanone;gamma-Ethylbutyrolactone;gamma-Ethyl-n-butyrolactone

CAS:

695-06-7

MF:

C6H10O2

MW:

114.14

EINECS:

211-778-8

Product Categories:

Heterocycles;lactone flavors;-;Cosmetics;Food Additive

Mol File:

695-06-7.mol



Gamma hexalactone Chemical Properties


Melting point 

-18°C

Boiling point 

219 °C(lit.)

density 

1.023 g/mL at 25 °C(lit.)

FEMA 

2556 | GAMMA-HEXALACTONE

refractive index 

n20/D 1.439(lit.)

Fp 

209 °F

storage temp. 

Store below +30°C.

Specific Gravity

1.023

JECFA Number

223

BRN 

107260

CAS DataBase Reference

695-06-7(CAS DataBase Reference)

NIST Chemistry Reference

2(3H)-Furanone, 5-ethyldihydro-(695-06-7)

EPA Substance Registry System

2(3H)-Furanone, 5-ethyldihydro- (695-06-7)



Gamma hexalactone Safety Information


Hazard Codes 

Xi

Risk Statements 

36/37/38-36

Safety Statements 

26-36

WGK Germany 

2

RTECS 

LU4220000

Hazard Note 

Irritant

TSCA 

Yes

HS Code 

29322090


Gamma hexalactone MSDS Information


Provider

Language

SigmaAldrich

English

ALFA

English


Gamma hexalactone Usage And Synthesis


Description

gamma-Hexalactone has a warm, powerful, herbaceous, sweet odor and a sweet, coumarin-caramel taste. May be prepared by reduction of sorbic acid using Zn, Sn, or SnCl2 and concentrated HCL in acetic acid solution at 85°C; from ethylene oxide and sodio-malonic ester; also from propyl alcohol and methylacrylate in the presence of di-tert-butyl peroxide.

Chemical Properties

γ-Hexalactone has a sweet, herbaceous, warm, powerful, odor, with a sweet, coumarin-caramel taste. This compound is also described to have odor as sweet, creamy, lactonic, tobacco and coumarin-like with green coconut nuances.

Chemical Properties

4-Hexanolide  is clear colorless liquid

Occurrence

Reported found in apple juice, apricot, orange juice, guava, raisin, papaya, peach, pineapple, berries, asparagus, peas, potato, tomato, breads, cheeses, butter, milk, chicken fat, cooked beef, cooked pork, beer, cognac, grape wines, cocoa, tea, filberts, pecans, passion fruit, Japanese plum, beans, mushroom, starfruit, mango, dried fig, prickly pear, licorice, soursop, Cape gooseberry, nectarines, quince, pawpaw and other sources.

Uses

4-Hexanolide  was used as curing agent for diglycidyl ether of bisphenol A with ytterbium triflate as an initiator.

Definition

4-Hexanolide is a gamma-lactone that is oxolan-2-one substituted by an ethyl group at position 5.

Preparation

By reduction of sorbic acid using Zn, Sn or SnCl2 and concentrated HCl in acetic acid solution at 85°C; from ethylene oxide and sodio-malonic ester; also from propyl alcohol and methylacrylate in the presence of di-tert-butyl peroxide

Aroma threshold values

Detection: 1.6 ppm

Taste threshold values

Taste characteristics at 75 ppm: sweet, creamy, vanilla-like with green lactonic powdery nuances

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