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

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.