Food safety and quality: details

Flavouring	2-(2-Hydroxy-4-methyl-3-cyclohexenyl)propionic acid gamma-lactone
Synonym(s)	Wine lactone; 2(3H)-Benzofuranone, 3a,4,5,7a-tetrahydro-3,6-dimethyl-
Latest JECFA evaluation	2016 (Session 82)
Status of specification	Full
Information required
Chemical name	3,6-dimethyl-3a,4,5,7a-tetrahydro-1-benzofuran-2(3H)-one
JECFA number	2223
CAS number	57743-63-2
FEMA number	4140
COE number
FLAVIS number
Molecular weight	166.10
Chemical formula	C10H14O2
Physical form/odour	Colourless to pale yellow liquid / Sweet, spicy, woody aroma
Solubility	Practically insoluble to insoluble
Solubility in ethanol	Soluble
Boiling point (°C)	231-232°
Assay min %	>95% (mixture of isomers)
Acid value max
Refractive index	1.490-1.496
Specific gravity	1.065-1.071
Other requirements	Isomeric composition: 81-84% (3aS,7aR), 16-19% (3aR, 7aS)
ID Test	MS, IR, NMR
Spectrum