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Food safety and quality
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| |
| Flavouring |
delta-Hexalactone |
| Synonym(s) |
5-Hydroxyhexanoic acid lactone |
| Latest JECFA evaluation |
1998 (Session 51) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
5-Hexanolide;6-Methyltetrahydro-2-pyrone |
| JECFA number |
224 |
| CAS number |
823-22-3 |
| FEMA number |
3167 |
| COE number |
641 |
| FLAVIS number |
|
| Molecular weight |
114.14 |
| Chemical formula |
C6H10O2 |
| Physical form/odour |
colourless to pale yellowish liquid with a creamy, fruity, coconut odour |
| Solubility |
soluble in alcohol, oil, propylene glycol, and ether; slightly soluble in water |
| Solubility in ethanol |
|
| Boiling point (°C) |
110-112° (15 mm Hg) |
| Assay min % |
98.0% |
| Acid value max |
5 |
| Refractive index |
1.449-1.453 |
| Specific gravity |
1.0162 (20°/20°) |
| Other requirements |
Melting Pt.:18°; Optical Rotation:- 47.2° at 24° |
| ID Test |
IR |
| Spectrum |
 
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