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Food safety and quality
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| Flavouring |
3-Methyl-2-(2-pentenyl)-2-cyclopenten-1-one |
| Synonym(s) |
Jasmone |
| Latest JECFA evaluation |
2016 (Session 82) |
| Status of specification |
Full |
| Information required |
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| Chemical name |
3-Methyl-2-pent-2-enylcyclopent-2-en-1-one |
| JECFA number |
1114 |
| CAS number |
488-10-8 |
| FEMA number |
3196 |
| COE number |
11786 |
| FLAVIS number |
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| Molecular weight |
164.25 |
| Chemical formula |
C11H16O |
| Physical form/odour |
Pale yellowish to straw-coloured oily liquid; odour of jasmine |
| Solubility |
slightly soluble in water; soluble in ether |
| Solubility in ethanol |
Miscible at room temperature |
| Boiling point (°C) |
248° |
| Assay min % |
95% (sum of isomers) |
| Acid value max |
2 |
| Refractive index |
1.489-1.501 |
| Specific gravity |
0.934-0.950 |
| Other requirements |
Isomeric composition: Z: 85 – 95%, E: 5 -15% |
| ID Test |
NMR |
| Spectrum |
 
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