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4-Hexanolide

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4-Hexanolide Basic information

Product Name:
4-Hexanolide
CAS:
695-06-7
MF:
C6H10O2
MW:
114.14
EINECS:
211-778-8
Mol File:
695-06-7.mol
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4-Hexanolide 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.)
Flash point:
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)
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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

MSDS

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4-Hexanolide 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

4-Hexanolide Preparation Products And Raw materials

Raw materials

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4-Hexanolide SupplierMore

J & K SCIENTIFIC LTD.
Tel:
010-82848833- ;010-82848833-
Email:
jkinfo@jkchemical.com;market6@jkchemical.com
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel:
21-61259100-
Email:
sh@meryer.com
INTATRADE GmbH
Tel:
+49 3493/605464
Email:
sales@intatrade.de
3B Pharmachem (Wuhan) International Co.,Ltd.
Tel:
821-50328103-801
Email:
3bsc@sina.com
Alfa Aesar
Tel:
400-610-6006; 021-67582000
Email:
saleschina@alfa-asia.com
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