Food safety and quality
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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 |
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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 |
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FLAVIS number |
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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 |
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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 |
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